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3.8k
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18 values
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65.5k
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2.37k
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-1
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PASSED
b5a1fcb7cfe98d6badf2301745ccd31e
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/* Author : Akshat Jindal from NIT Jalandhar , Punjab , India JAI MATA DI */ import java.util.*; import java.io.*; import java.math.*; import java.sql.Array; public class Main { static class FR{ BufferedReader br; StringTokenizer st; public FR() { br = new Buff...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
9112983165874b0f1fedd61780addc07
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.io.Writer; import java.io.OutputStreamW...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
4ed5b585e544c9162f48e208db3bb57a
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class C { public static void main(String[] args) { FastScanner sc=new FastScanner(); int t=1; PrintWriter pw=new PrintWriter(System.out); while(t-->0) { int n=sc.nextInt(); int[] a=new int[n]; for(int i=0;i<n;i...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
4ff5a831f7c8a0c5262f9b4fb848993c
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.PriorityQueue; import java.util.Stack; import java.util.StringTokenizer; import java.io.*; public class CompressedBracketseq { private static class MyScanner { BufferedReader br; StringTokeniz...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
fbc7ecde92bbeebfc658eebb464d798a
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.Arrays; import java.util.*; import java.util.Scanner; import java.util.StringTokenizer; public class eashan{ public static boolean checker(long[] arr,long K,long diff) { long collect=0; for(int i=0;i<arr.length;i++) { if...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
fd919890bd4e02a874077f51756fa7dd
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class q3 { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); int[] arr = new int[n]; String[] parts = br....
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
ed5eb9c684d82c75a7bead16be5a4308
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class q3 { // public static class Pair{ // int open; // int ans; // Pair(int open,int ans){ // this.open = open; // this.ans = ans; // } // } public static void main(String[] args) throws Ex...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
d61edc5e04a6662cad5d64fc759fd009
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Codeforces { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //int cases = Integer.parseInt(br.readLine()); //o:while(cases-- > 0) { String[] str = br.readLine().s...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
3bdaef548a35c4cfb4443899c51fad4c
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class taskc { public static void main(String[] args) { FastScanner in = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int n = in.nextInt(); long a[] = new l...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
1de26d8f822a7ce30419d57302ac94d8
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.lang.*; import java.io.*; public class Main { public static void main (String[] args) throws java.lang.Exception { Scanner sc=new Scanner(System.in); // BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int t=1; // t=sc.nextInt(); /...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
cd4e3f57bbcb3102750ab75e52f2bd02
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
// Generated by Code Flattener. // https://plugins.jetbrains.com/plugin/9979-idea-code-flattener import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { Solution solution = new ASolution(); boolean local = System.getProperty("ONLI...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
e63c88983f96f58753c68513ed2dfd8e
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { FastIO io = new FastIO(); int test=1; while(test>0) { int n=io.nextInt(); long arr[]=new long[n]; for(int i=0;i<n;i++)arr[i]=io.nextLong(); long count[]=new lo...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
e072d82be20e86f595df0842cb67c091
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
public class Main { public static void main(String[] args) { new Main(); } public Main() { FastScanner fs = new FastScanner(); java.io.PrintWriter out = new java.io.PrintWriter(System.out); solve(fs, out); out.flush(); } public void solve(FastScanner fs, java.io.PrintWriter out) { ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
1734bff3a56926ecd643dfc40233e30e
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class C { static FastScanner fs = new FastScanner(); static PrintWriter pw = new PrintWriter(System.out); static StringBuilder sb = new StringBuilder(""); static final long INF = (long) 10e12; public static void main(String[] args) { int n = fs.nextIn...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
64df2089ee463d9d247f2be77fea1b22
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; import java.math.*; public class A3 { void solve() { int n = cint(); long[] a = carr_long(n); // int n = 6; // long[] a = new long[n]; // for (int i = 0; i < a.length; i++) { // a[i] = new Random().nextInt(4) + 1; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
f11c43c2d1fe97511c5f25d9c0a0ea4b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
358524ab3297f6d4250b53a6a23d1c93
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.lang.*; import java.io.*; public class Main { PrintWriter out = new PrintWriter(System.out); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer tok = new StringTokenizer(""); String next() throws IOException { if (!tok.h...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
c64815371cf15c9016d9177511e60883
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.Scanner; /** * @author Tay Qi Xiang * @date 05/09/2021 */ public class compressedBracketSequence { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
6f1fa79236a5aadb37737e77da6e73f9
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
// Problem: Compressed Bracket Sequence // https://codeforces.com/contest/1556/problem/C // This submission: import java.util.*; public class CompressedBracketSequence { private static class BracketPair { private final long open, close; private BracketPair(long openInput, long closeInput) { ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
1e5a5bfdb1b27785a056f45ad1f558b9
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
// Problem: Compressed Bracket Sequence // https://codeforces.com/contest/1556/problem/C import java.util.*; public class CompressedBracketSequence { private static class BracketPair { private long open, close; } // Cache for the number of valid solutions. // The element `cache.get(i)` store...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
5decf31f362cb3862667bbe5cf502a29
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class Sol{ /* ->check n=1, int overflow , array bounds , all possibilites(dont stuck on 1 approach) ->Problem = Observation(constraints(m<=n/3 or k<=min(100,n)) + Thinking + Technique (seg_tree,binary lift,rmq,bipart,dp,connected comp etc) ->solve or...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
f4590b69c633dd6e6829264969c0e0fe
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
//package codechef; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashSet; import java.util.Set; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
fe80c2bce8eff5616b481e0a335ac097
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/* ID: abdelra29 LANG: JAVA PROG: zerosum */ /* TO LEARN 2-euler tour */ /* TO SOLVE */ /* bit manipulation shit 1-Computer Systems: A Programmer's Perspective 2-hacker's delight */ /* TO W...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
ae2339228a2482f2a78c7e716b9c82db
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Practice { static int mod=1000000007; static HashSet<Integer> pr; static FastReader sc=new FastReader(System.in); // static Reader sc=new Reader(); static PrintWriter out=new PrintWriter(System.out); public static void main(String[] args) throws IOExc...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
70169c71a621867ea4091d412ba3c695
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; /** * @author Mubtasim Shahriar */ public class CompressedBracSeq { public static void main(String[] args) { InputStream inpu...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
5c14ea8b3ae7d5f24b75123eb7cac48b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class Deltix { public static void main(String[] args) { MyScanner sc = new MyScanner(); PrintWriter out = new PrintWriter(new BufferedOutputStream(System.out)); int t = 1; while (t-- > 0) { int n = sc.nextInt(); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
6a5df8b6300e5c257d21e5c0727d6078
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; import java.util.List; import java.util.*; public class realfast implements Runnable { private static final int INF = (int) 1e9; long in= 1000000007; long fac[]= new long[1000001]; lo...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
26d8229276589e617683247d9442dd07
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class DeltixRound { //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////////////////////////////////////////...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
5db8d59eb8f88d8f9beaccb6bedc263b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Solution { public static long gcd(long a,long b) { if(a==0) return b; return gcd(b%a,a); } public static long lcm(long a,long b) { return (a*b)/gcd(a,b); } public static long [] input(BufferedReader br,int n) throws java.lang.Exception{...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
862472e16f79c1496c3e5b569ddc9cf6
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class Solution { static class Reader { final private int BUFFER_SIZE = 1 << 16; private DataInputStream din; private byte[] buffer; private int bufferPointer, bytesRead; public Reader() { din ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
45468d6c5efe02d0e4d4f8148c6c8631
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; public class Hello { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = Integer.parseInt(sc.nextLine()); String secondLine[] = sc.nextLine().trim().split("\\s+"); int arr[] = new int[N]; for (int index = 0; i...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
1ab24b20e7acf73fd76cc067e4e1d052
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
// ----------------------------------- Duniya Madarchod Hai ----------------------------------- import java.io.*; import java.math.*; import java.util.*; public class Main { /* public String wrd() throws IOException{return(read.next());} public int ni() throws IOException{r...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
e14b9b07cada8d91e4288880b0c65850
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Codeforces { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //int cases = Integer.parseInt(br.readLine()); //o:while(cases-- > 0) { String[] str = br.readLine().s...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
6166331c817091daf710fce1ccb28850
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
// Problem: C. Compressed Bracket Sequence // Contest: Codeforces - Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2) // URL: https://codeforces.com/problemset/problem/1556/C // Memory Limit: 256 MB // Time Limit: 1000 ms // // Powered by CP Editor (https://cpeditor.org) import java....
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
720926bb8c3e28e5981044e3b65e9bd8
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
eb4bcc44b5036efcd326ba7befce15e0
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import static java.lang.Math.max; import static java.lang.Math.min; import static java.lang.Math.abs; import java.util.*; import java.io.*; public class A { static int n; static int[] arr; static char[] s; public static void main(String[] args) throws IOException { f = new Flas...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
5485f3d4848b5031946dcded0806d5eb
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/* "Everything in the universe is balanced. Every disappointment you face in life will be balanced by something good for you! Keep going, never give up." */ import java.util.*; import java.lang.*; import java.io.*; public class Codechef { public static vo...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
7071d15d524f5d6a722aee69cdc25628
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; import java.math.*; /** * @author Naitik * */ public class Main { static FastReader sc=new FastReader(); static int dp[][][]; static int mod=1000000007; static int mod1=998244353; static int max; static long bit[]; // static long seg[]; // ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
9194c6909d8cd02e30b81e02ab924bc5
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; import java.math.BigInteger; import java.util.InputMismatchException; public class Main { static PrintWriter out; static Reader in; public static void main(String[] args) throws IOException { input_output(); Main solver = new Main(); solver.solve(); out.clos...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
49f3fef08dd1bd2df058fd7079bd9e10
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Codeforces { public static void main(String args[])throws Exception { BufferedReader bu=new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb=new StringBuilder(); int n=Integer.parseInt(bu.readLine()); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
40441e4dee3c370b84ec93cdb3582d04
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; public class Main { public static void main(String args[]) { Scanner s = new Scanner(System.in); int n = s.nextInt(); long[] ar = new long[n]; for (int i = 0; i < n; i++){ ar[i] = s.nextLong(); } long ans = 0; for (int...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
708dbea4b4d6e1036d22a049e6bb6321
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSe...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
fdea3341f617f85512ed1513e19c79d9
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.util.Map.Entry; import java.io.*; import static java.util.Map.Entry.*; /* Name of the class has to be "Main" only if the class is public. */ public class Main { static long mod=(long) (1e9+7); public static void main (String[] args) throws Exception { final lon...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
e0022c246c3df952e60b7497b87f2747
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.Scanner; public class Main { public static void main(String[] args) { var sc = new Scanner(System.in); int n = Integer.parseInt(sc.next()); var c = new long[n]; for(int i = 0; i < n; i++){ c[i] = Long.parseLong(sc.next()); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
44b75d0ada8e46ff488e12e391a8f2f4
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class _1556_C { public static void main(String[] args) throws IOException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new PrintWriter(System.out); int n = Integer.parseInt(in.readLine()); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
974a0ffce80e0c25c33fed337b9c08c4
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Codeforces { public static void main(String args[])throws Exception { BufferedReader bu=new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb=new StringBuilder(); int n=Integer.parseInt(bu.readLine()); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
8641cbec10efc16f4187533cf5b8dc80
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; import static java.lang.Math.*; public class C{ public static void main(String[] args) throws IOException { // br = new BufferedReader(new FileReader(".in")); // out = new PrintWriter(new FileWriter(".out")); //new Thread(null, new (), "peepee", 1<<28).start(); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
94ca6d0ea9211d64fce7e4d9449c57a7
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; public class cf1556c_2 { public static void main(String[] args) throws IOException { int n = ri(), c[] = ria(n); long bal = 0, ans = 0; for (int i = 0; i < n; ++i) { ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
9e53e170bc74ec00d88a72176a178462
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class C { public static void main(String[] args) { FastScanner sc = new FastScanner(); int n = sc.nextInt(); long[] arr = new long[n]; for(int i = 0; i < n; i++) { arr[i] = sc.nextLong(); } if(n % 2 == 1) n--; long[] brr = new long[n+1]; brr[0] = 0; Tr...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
140a0d88ce806ddd01fc317fa806bd58
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
//package com.company.codeforces.v210829; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.List; import java.util.Se...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
88db46bd41bc54c94439f112f123fc79
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import static java.lang.Integer.parseInt; import static java.lang.Long.parseLong; import static java.lang.Math.min; import static java.lang.System.exit; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public cla...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
edd6bc7813e3b44eeea31d4f741de73d
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintStream; import java.io.IOException; import java.lang.reflect.Field; import java.nio.charset.StandardCharsets; import java.io.UncheckedIOException; import java.io.Closeable; import java.i...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
5cb18a248ef012ec1cff92df9ec7ea47
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; import java.text.*; public class CF_1556_C{ //SOLUTION BEGIN void pre() throws Exception{} void solve(int TC) throws Exception{ int N = ni(); long[] C = new long[N]; for(int i = 0; i< N; i++)C[i] = nl(); long ans = 0; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
ec87427a8a1aead7beac2a8256b2761b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
//package deltixs2021; import java.io.*; import java.util.ArrayDeque; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Queue; public class C { InputStream is; FastWriter out; String INPUT = ""; void solve() { int n = ni(); int[] a = na(n); long ans = 0; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 11
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
b2aa070ef44e6d8912b026923a27a2ad
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/* Goal: Become better in CP! Key: Consistency and Discipline Desire: SDE @ Google USA Motto: Do what i Love <=> Love what i do If you don't use your brain 100%, it deteriorates gradually */ import java.util.*; import java.io.*; import java.math.*; public class Solution { static StringBuffe...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
23cd59e98849e5444328e658f53743b1
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/* Goal: Become better in CP! Key: Consistency and Discipline Desire: SDE @ Google USA Motto: Do what i Love <=> Love what i do */ import java.util.*; import java.io.*; import java.math.*; public class Coder { static StringBuffer str=new StringBuffer(); static int n; static long []c; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
efa720e1ecdeae8adf74d4a6235fa1e1
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; import java.math.*; /* Goal: Become better in CP! Key: Consistency! */ public class Coder { static StringBuffer str=new StringBuffer(); static int n; static long c[]; static long dp[][]; static long ap[][]; static long open[]; static long closed[...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
39cc18750c0b7eb1a907e43734362d42
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Objects; import java.util.StringTokenizer; public class Codeforces4 { static class Node { int val; Node left; Node right; public Node(int x) { // T...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
7e23e11b39aad1ab2c9ed32ebd2ba861
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class practiceb{ static FastScanner sc; static TreeSet<Integer> ans; static long[] arr,dp; static char[][] board; static long mul,mul1; sta...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
a73bc13d413af9143f51076b1aaa9a35
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/* stream Butter! eggyHide eggyVengeance I need U xiao rerun when */ import static java.lang.Math.*; import java.util.*; import java.io.*; import java.math.*; public class x1556C { public static void main(String hi[]) throws Exception { BufferedReader infile = new BufferedReader(new Inp...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
f3fab94b265aa75d7ddc644269df248f
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Bit...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
d9dab339a2a6b33a88fb5c5080d75c46
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
/*========================================================================== * AUTHOR: RonWonWon * CREATED: 03.09.2021 11:21:20 /*==========================================================================*/ import java.io.*; import java.util.*; public class C { public static void main(St...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
500f0bd78666b69e87128052fd6febd7
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.Random; import java.util.Scanner; import java.util.Stack; public class Main { public static void main(String[] args) { Random random = new Random(); Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int[] array = new int[n]; for ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
ebfe74325d7f4c50548886a19c0bb186
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
//package com.company; import java.util.*; public class Main { public static void main(String[] args) { // write your code here Scanner scanner = new Scanner(System.in); //. int t = scanner.nextInt(); //int casen = 1; int n = scanner.nextInt(); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
a9ca925af5eaab93abba5b51ae5711fe
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; import java.math.*; import java.math.BigInteger; public final class A { static PrintWriter out = new PrintWriter(System.out); static StringBuilder ans=new StringBuilder(); static FastReader in=new FastReader(); static ArrayList<Pair> g[]; static long m...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
d9dd7665f6f5b97e0fbc4f3c81aff816
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public final class Solution { static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); static StringTokenizer st; public static void main(String[] args) thro...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
0b6ffdcc16578a99d579b25e61f995ec
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public final class Solution { static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); static StringTokenizer st; public static void main(String[] args) thro...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
338331776f4a40678dc595a6b5be6548
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; import java.math.BigDecimal; import java.math.*; public class Main{ static int total=0; public static void main(String[] args) { TaskA solver = new TaskA(); // int t = in.nextInt(); // for (int i = 1; i <= t ; i++) { ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
897fff971296fe079f5c963b80d8900e
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.Arrays; import java.util.Random; import java.io.FileWriter; import java.io.PrintWriter; /* Solution Created: 19:59:09 29/08/2021 C...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
3c525351df3027098c911419c75722ee
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; //RATING 1800 //Actually a C? but in a Deltix round, whatever that means //ERRICHTO SOL: https://www.youtube.com/watch?v=7rtZEXAVzmk public class D2D_CompressedBracketSeq { static FastReader scan; public static void main(String[] args) throws Exception{ scan = ne...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
34696f9fb86bbb8d0889e1f8782d3669
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Main { //--------------------------INPUT READER---------------------------------// static class fs { public BufferedReader br; StringTokenizer st = new StringTokenizer(""); public fs() { this(System.in); } public fs(I...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
3279fa98292c31ae1c4bb802332dec7b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigInteger; import java.text.DecimalFormat; import java.util.*; import java.util.concurrent.ThreadLocalRandom; import java.util.function.Supplier; import java.util.stream.Collectors; import java.util.s...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
b8c54414bcb36368a4588dc3934ff086
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.lang.reflect.Array; import java.text.DecimalFormat; import java.util.*; import java.io.*; public class Equal { static class pair implements Comparable<pair> { long level; long count; pair(long u, long v) { this.level = u; this.count = v;...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
72b97049020f0e181fc8939012f3d618
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.Scanner; public class Submit { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); long[] a = new long[n+1]; for(int i=1;i<=n;i++){ a[i] = scanner.nextLong(); } ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
ad3c75783beba472076873920412adcf
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class Main { static long startTime = System.currentTimeMillis(); // for global initializations and methods starts here // global initialisations and methods end here static void run() { boolean tc = false; AdityaFastIO r = ne...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
187bf9c5a7271da3c84a090757474bd6
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.*; public class C { public static class F { static StringBuilder sb; static long fact[]; static int mod = (int) (1e9 + 7); static int[] arr = { 0, 1, 11, 111, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111 }; stati...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
594e2ca329d37472baa2fa075d75836d
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; import java.util.concurrent.ThreadLocalRandom; public class c731 { pu...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
97232e89f600ab95a3f1003f6d59aeb2
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Main { //--------------------------INPUT READER---------------------------------// static class fs { public BufferedReader br; StringTokenizer st = new StringTokenizer(""); public fs() { this(System.in); } public fs(I...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
1b54cb6c2d5c73f4844822df1b838e93
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Main { public static void main(String args[]) { FastReader input=new FastReader(); PrintWriter out=new PrintWriter(System.out); int T=1; while(T-->0) { int n=input.nextInt(); int a[]=new...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
c197ad465ee57aba4476f58d0495597b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.OutputStream; import java.io.Writer; import java.io.IOException; import java.util.InputMismatchException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputS...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
c2d18bd145491ab46d2934063549472b
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Ishu { static Scanner scan = new Scanner(System.in); static BufferedWriter output = new BufferedWriter(new OutputStreamWriter(System.out)); static void tc() throws Exception { int n = scan.nextInt(); long[] c = new long[n]; int i, j; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
b6fd44b8d7111b7991b46fdd15d4a2d4
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class C { static class RealScanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer("")...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
20d697e93e62899c8f0c4b96127ef4ff
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class Practice { public static long mod = (long) Math.pow(10, 9) + 7; // public static long mod2 = 998244353; // public static int ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
dbb40ce2828b34bc5f405ba974cf8a87
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
//package contest.DeltixRoundSummer2021; import java.io.*; import java.util.*; /*********************** * @oj: codeforces * @id: hitwanyang * @email: 296866643@qq.com * @date: 2021/8/30 11:34 * @url: https://codeforc.es/contest/1556/problem/C ***********************/ public class C1556 { InputS...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
34c1d0fbeefc1eeb634b085770f536cd
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Sol { final static int LINE_SIZE = 128; FastReader in = new FastReader(); PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out), false); int n; long[] ar; void solve() throws Exception { n = in.nextInt(); ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
0d75041c02be0dc203e38dcc994d6302
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Solution { static class SegmentTree { /* Author: Po-Chun Chiu */ int size; private long[] max; private long[] min; public SegmentTree(long[] array){ size = array.length; max = new long[array.length*4]; min = new long[array.length*4]; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
f60b05a05e35e463496f8f1be3dd44a1
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; public class Test { public static void main(String[] args) { int tt=1; //cin >> tt; while(tt>0) { long n; Scanner sc=new Scanner(System.in); n=sc.nextLong(); long[] a=new long[(int)n]; for(int i=0;i<n;i++) a[i]=sc.nextL...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
2b061b6735a41874574563a99030e4bd
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class new1 { public static void main (String[] args) { Scanner s = new Scanner(System.in); int t = 1;//s.nextInt(); for(int i = 0; i < t; i++) { int n = s.nextInt()...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
67cc89c613aeade7aff25613be2950b2
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { //BufferedReader f = new BufferedReader(new FileReader("uva.in")); BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out = new Prin...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
f45a8e9eae66e1aa8bf85dc4bec78210
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import javax.swing.plaf.synth.SynthSpinnerUI; import java.io.*; import java.net.StandardSocketOptions; public class tr0 { static PrintWriter out; static StringBuilder sb; static long mod = (long) 1e9 + 7; static long inf = (long) 1e16; static int n, k; static ArrayList<Integer>...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
f2b59dc244c5ef038098f08d257ebf25
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
14b93375d96c573e678316543342519f
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class DeltixSU21C { public static void solve(IO io) { int k = io.getInt(); long [] arr = new long[k]; for (int i = 0; i < k; i++) { arr[i] = io.getLong(); } long total = 0; for (int i = 0; i < k; i+= 2) { long hl = 1; long hh = arr[i]; ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
ec16df0ffd35f1f0d5d2fa0862a9ba45
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; public class Solution { public static void main(String[] args) { try (Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)))) { // int T = in.nextInt(); // // ...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
50cac10e157772ac32e887e9741cd69d
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.lang.*; import java.util.*; public class C1556 { public static void main(String[] args) throws IOException{ StringTokenizer st; BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); st = new StringTokenizer(f.readLine()); i...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
8fcf704288b5c310d1000e9ae34887ff
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Brackets { static BufferedReader bf; static PrintWriter out; public static void main (String[] args)throws IOException { bf = new BufferedReader(new InputStreamReader(System.in)); out = new PrintWriter(System.out); // int t = Integer.pa...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
41a577ed326ce93217ff205a993b9c6a
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; import java.util.Map.Entry; import java.math.*; import java.io.*; public class Main { public static void main(String[] args) throws FileNotFoundException { InputReader in = new InputReader(System.in); // Scanner in = new Scanner(System.in); // Scanner in = new Scanner(new BufferedReader(new...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
041827b9179002f800ac1665ea0bd186
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Main{ static void main() throws Exception{ int n=sc.nextInt(); int[]in=sc.intArr(n); long ans=0; for(int i=0;i<n;i+=2) { long bal=in[i]; long minBal=in[i]; for(int j=i+1;j<n;j+=2) { bal-=in[j]; long cur=in[j]; long balance=b...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
1dcc2e6b4c130ab82efc62c89f359050
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.*; public class Leetcode { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); int n=scanner.nextInt(); int [] p=new int[n]; for(int i=0;i<n;i++) p[i]= scanner.nextInt(); long res=0; for(int i=0;i<n;i+...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
d0a5e540de14e6f826e04ea08f2bfef5
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.util.Scanner; public class MyClass { static Scanner in=new Scanner(System.in); public static void main(String args[]) { int n=in.nextInt(); long a[]=new long[n]; long total=0; for(int i=0;i<n;i++){ a[i]=in.next...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output
PASSED
3ccc9c811816deb0fd69a3dd8ca4e9c6
train_107.jsonl
1630247700
William has a favorite bracket sequence. Since his favorite sequence is quite big he provided it to you as a sequence of positive integers $$$c_1, c_2, \dots, c_n$$$ where $$$c_i$$$ is the number of consecutive brackets "(" if $$$i$$$ is an odd number or the number of consecutive brackets ")" if $$$i$$$ is an even nu...
256 megabytes
import java.io.*; import java.util.*; public class Test { static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st; static PrintWriter pr = new PrintWriter(new OutputStreamWriter(System.out)); static String readLine() throws IOException { return br.readLi...
Java
["5\n4 1 2 3 1", "6\n1 3 2 1 2 4", "6\n1 1 1 1 2 2"]
1 second
["5", "6", "7"]
NoteIn the first example a sequence (((()(()))( is described. This bracket sequence contains $$$5$$$ subsegments which form regular bracket sequences: Subsequence from the $$$3$$$rd to $$$10$$$th character: (()(())) Subsequence from the $$$4$$$th to $$$5$$$th character: () Subsequence from the $$$4$$$th to $$$9$$$th...
Java 8
standard input
[ "brute force", "implementation" ]
ca4ae2484800a98b5592ae65cd45b67f
The first line contains a single integer $$$n$$$ $$$(1 \le n \le 1000)$$$, the size of the compressed sequence. The second line contains a sequence of integers $$$c_1, c_2, \dots, c_n$$$ $$$(1 \le c_i \le 10^9)$$$, the compressed sequence.
1,800
Output a single integer — the total number of subsegments of the original bracket sequence, which are regular bracket sequences. It can be proved that the answer fits in the signed 64-bit integer data type.
standard output