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name
stringlengths
2
112
description
stringlengths
29
13k
source
int64
1
7
difficulty
int64
0
25
solution
stringlengths
7
983k
language
stringclasses
4 values
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; public class edu_40_A { InputStream is; PrintWriter out; int n; long a[]; private boolean oj = System.g...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> int main() { int n, flag = 0; char a[110]; scanf("%d", &n); scanf("%s", a); for (int i = 0; i < n - 1; i++) { if (a[i] != a[i + 1]) { flag++; i++; } } printf("%d\n", n - flag); }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
def f(t): if t.find('RU')==-1 and t.find('UR')==-1: return len(t) if t in mem: return mem[t] if t.find('RU')==-1: i=t.find('UR') elif t.find('UR')==-1: i=t.find('RU') else: i=min(t.find('RU'), t.find('UR')) ans=min(f(t[i+2:]), f(t[i+1:])) + 1 + len(t[:i]) ...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
def solution(a): i=0 ans=len(a) while i<len(a)-1: if a[i]!=a[i+1]: ans-=1 i+=1 i+=1 return ans def answer(): n = int(input()) a = list(input()) print(solution(a)) answer()
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; bool valid(char a, char b) { if (a == 'U' && b == 'R') return true; if (b == 'U' && a == 'R') return true; return false; } int main() { long long int n, cnt = 0; string s; cin >> n; cin >> s; for (int i = 1; i < n; i++) { if (valid(s[i - 1], s[i])) { ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) s=list(input()) count=0 i=0 while i<n-1: if s[i]!=s[i+1]: count+=1 i+=2 else: count+=1 i+=1 while i<n: count+=1 i+=1 print(count)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
while True: try: n = int(input()) s = input() stck = list() for ch in s: if not stck:stck.append(ch) elif stck[-1] != ch and stck[-1]!= 'D': del stck[-1] stck.append('D') else: stck.append(ch) print(len(stck)) except EOFError: break
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; string s; cin >> s; int ans = 0; char c = 'a'; for (int i = 0; i < n; i++) { if ((s[i] == 'U' && c == 'R') || (s[i] == 'R' && c == 'U')) { c = 'D'; ans += 1; } else ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int run() { int n = 0; cin >> n; string str; cin >> str; int i = 0, ans = n; while (i < n) { if (i <= n - 2) { if ('R' == str[i] && 'U' == str[i + 1]) { ans--; i += 2; } else if ('U' == str[i] && 'R' == str[i + 1]) { ans--...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) s = list(input()) i =0 c=0 while i < n-1: if (s[i]=='U' and s[i+1]=='R') or (s[i]=='R' and s[i+1]=='U'): c+=1 i+=1 i+=1 print(n-c)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> int main() { int i, n, count = 0; char a[1000]; scanf("%d", &n); scanf("%s", a); for (i = 0; i < n; i++) { if (a[i] == 'U' && a[i + 1] == 'R') { count++; i++; } else if (a[i] == 'R' && a[i + 1] == 'U') { count++; i++; } else count++; } pri...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
# =================================== # (c) MidAndFeed aka ASilentVoice # =================================== # import math # import collections # =================================== n = int(input()) q = [str(x) for x in input()] flag = 0 ans = 0 for i in range(n-1): if flag: flag = 0 continue s = q[i]+q[i+1] i...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() i = 0 cnt = 0 while i < (n-1): if s[i:i+2] == 'UR' or s[i:i+2] == 'RU': cnt += 1 i += 2 else: i += 1 print(n-cnt)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(raw_input()) s = raw_input() x = 0 i = 1 while i<n: if (s[i]=='U' and s[i-1]=='R') or (s[i]=='R' and s[i-1]=='U'): i += 2 x += 1 else: i += 1 x += (n - 2*x) print x
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; string s; cin >> n >> s; int k = 0; for (int i = 0; i < n - 1; i++) { if (s[i] != s[i + 1]) { i++; k++; } } cout << n - k; return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) st=input() p=n;i=0 while i<n-1: if st[i]=='R': if st[i+1]=='U': i+=2 p-=1 else: i+=1 else: if st[i+1]=='R': p-=1;i+=2 else: i+=1 print(p)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
length = int(raw_input()) x = raw_input() cont = 0 descarte = [] for i in xrange(length-1): if (i not in descarte): if x[i] == "U": if x[i+1] == "R": cont += 1 descarte.append(i + 1) elif x[i] == "R": if x[i+1] == "U": descarte....
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
input() l=str(raw_input()) c=1 pair=0 for i in range(1,len(l)): if l[i]!=l[i-1]: #print(i) c+=1 if i==len(l)-1: pair+=c/2 else :#flush stack pair+=c/2 c=1 #print(pair) print(len(l)-pair)
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int N; string s; cin >> N >> s; int bella = N; for (int i = 1; i < N; i++) if (s[i] != s[i - 1]) { bella--; i++; } cout << bella; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
ans = [] s = input() for c in input(): if len(ans) == 0 or ans[-1] == 'D' or ans[-1] == c: ans += [c] else: ans[-1] = 'D' print(len(ans))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(raw_input()) # a = map(int, raw_input().split()) s = raw_input() c = 0 i = 0 while i<len(s)-1: if(s[i]=='U' and s[i+1]=='R'): c+=1 i+=2 elif(s[i]=='R' and s[i+1]=='U'): c+=1 i+=2 else: i+=1 l = len(s) - c print l
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
def main(): n = int(input()) s = input() total_replaced = 0 d = 1 # dummy value while d != 0: d,s = replstr(s) #print(d,s) total_replaced += d print(n - total_replaced) def replstr(s): r = "" d = 0 i = 0 while i < len(s): z = s[i:i+2] if z...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
""" ATSTNG's ejudge Python3 solution template (actual solution is below) """ import sys, queue, string, math, itertools try: import dev_act_ffc429465ab634 # empty file in directory DEV = True except: DEV = False def log(*s): if DEV: print('LOG', *s) class EJudge: def __init__(self, problem="def...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() total = 0 i = 0 while i<(n-1): #D if (s[i]=='U' and s[i+1]=='R') or (s[i]=='R' and s[i+1]=='U'): total+=1 i+=1 i+=1 print(len(s)-total)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = input() f =0 r = 0 s = raw_input() for i in xrange(n-1): #print i,s[i],s[i+1] if s[i]<>s[i+1] and f==0: r+=1 f = 1 elif s[i]<>s[i+1] and f==1: pass f= 0 else: f=0 print n-r
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.*; public class DiagonalWalking { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); String walk = in.next(); int ans = 0; for (int i = 0; i < n; i++) { if (i < n - 1 && walk.char...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int n; string s; int main() { cin >> n >> s; int i = 1; while (i < s.length()) { if (s[i] != s[i - 1]) { n--; i += 2; } else i++; } cout << n; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) steps = input() stack = [steps[0]] for i in range(1, n): s = steps[i] if s == 'R' and stack[-1] == 'U' or s == 'U' and stack[-1] == 'R': stack.pop() stack.append('D') else: stack.append(s) print(len(stack))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
//package com.company; import java.io.*; import java.util.*; public class Main { static long TIME_START, TIME_END; public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); // Scanner sc = new Scanner(new FileInputStream("Test.in")); PrintWriter pw...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.*; import java.math.*; import java.io.*; public class CF954A { final int MOD = (int) 1e9 + 7; final double ERROR = 1e-9; final double oo = 1e50; public CF954A(FastScanner scan, PrintWriter out) { int n = scan.nextInt(); String walk = scan.next(); String res = ""; for(int i = 0 ; i < walk...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { char s[110], c; int len = 0, n; cin >> n; for (int i = 0; i < n; i++) { cin >> c; s[len++] = c; if (len > 1 && s[len - 2] != s[len - 1] && s[len - 2] != 'D') { len -= 2; s[len++] = 'D'; } } s[len++] = '\0'; cout << strl...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.Scanner; public class Path { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); int n=sc.nextInt(); sc.nextLine(); char t[]=sc.nextLine().toCharArray(); int cp=0,i; for(i=0;i<t.length;i++){ cp++; if(i<t.length-1) if((...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
def a954(first, second): k = 0 i = 0 while i < len(second)-1: if second[i] != second[i+1]: k = k + 1 i = i + 1 i = i + 1 return len(second) - k if __name__ == '__main__': first = int(input()) second = input() print(a954(first, second))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; const double eps = 1e-9; long double pi = 3.14159265358979323846264338327950; long double e = 2.7182818284590452353602874713527; int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); int n, ans = 0; cin >> n; string s;...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() ans = 0 i = 0 while i < len(s) - 1: if s[i] != s[i + 1]: ans += 1 i += 1 i += 1 print(n - ans)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
N = int(input().strip()) L = list(input().strip()) i = 0 while i<len(L)-1: if L[i] == 'R' and L[i + 1] == 'U' or \ L[i] == 'U' and L[i + 1] == 'R': if i+2 < len(L): L = L[:i]+['D']+L[i+2:] else: L = L[:i] + ['D'] i += 1 print(len(L))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n= int(raw_input()) s= raw_input() ans=0 a=0 while a<n: # print a if(a==n-1): ans+=1 break if s[a] != s[a+1]: a+=1 # print a, "fsa" ans+=1 a+=1 print ans
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.Arrays; public class Main{ public static void main(String[] args)throws IOException{ br = new BufferedReader(new InputStreamReader(System.in))...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() ans = n f = False for i, el in enumerate(s[1:]): if f: f = False continue prev = s[i] if sorted([el, prev]) == ['R', 'U']: ans -= 1 f = True print(ans)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; cin >> s; s += " "; string s2 = ""; for (int i = 0; i < s.length() - 1; i++) { if (s[i] == 'U' && s[i + 1] == 'R') { s2 += "D"; i++; } else if (s[i] == 'R' && s[i + 1] == 'U') { s2 += "D"; ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = input() c = 0 s = raw_input() s = s+'$' i = 0 while i < n: if (s[i] =='R' and s[i+1] =='U' ) or (s[i] =='U' and s[i+1] =='R' ): c+=1 i+=2 else: c+=1 i+=1 print c
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Thu Mar 22 11:41:34 2018 @author: ska codeforces 954-A """ n = int(input()) s = input() c = 0 i=1 while i<n: if (s[i-1] =='R' and s[i] == 'U') or (s[i-1] == 'U' and s[i] == 'R'): c += 1 i += 2 else: i += 1 ans = n-c print(a...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
from sys import stdin,stdout n = int(stdin.readline().strip(),10) s = stdin.readline().strip() i = -1; c = 0 while True: i+=1 if i >= n-1: break if s[i] != s[i+1]: i+=1 c+=1 print n-c
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; bool isl(char c) { return (c >= 'a' && c <= 'z'); } bool isu(char c) { return (c >= 'A' && c <= 'Z'); } bool isa(char c) { return (isl(c) || isu(c)); } bool isn(char c) { return (c >= '0' && c <= '9'); } bool isan(char c) { return (isa(c) || isn(c)); } bool isv(char c) { ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) steps = input() i = 0 count = 0 while i < n: if i < n - 1: if steps[i] + steps[i + 1] in ['RU', 'UR']: i += 1 count += 1 i += 1 print(count)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import re n = input() ;s = raw_input() s = re.sub('(RU|UR)', 'D', s) a = len(s) print(a)
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main(int argc, char** argv) { int n; cin >> n; string moves; cin >> moves; int m = moves.size(); for (int i = 1; i < n; i++) { m -= (moves[i] != moves[i - 1]); i += (moves[i] != moves[i - 1]); } cout << m << endl; return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s, g = ""; cin >> s; for (int i = 0; i < n; i++) { if ((s[i] == 'U' && s[i + 1] == 'R') || (s[i + 1] == 'U' && s[i] == 'R')) { g += 'D'; i++; } else g += s[i]; } cout << g.length(); return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.Scanner; /** * Created by Pupil on 20.12.17. */ public class dd { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); String s = in.next(); int a = 0; for (int i = 0; i < s.length() - 1; i++) { i...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.*; public class Solution{ public static void main(String[] args){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int p=0; String s = sc.next(); for(int i=1; i<n; i++){ if(s.charAt(i)!=s.charAt(i-1)){ i++; ...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
# coding: utf-8 # In[9]: x = input() s = input() # In[10]: sum = len(s) ifPass = False # In[12]: for i in range(len(s)-1): if ifPass: ifPass = False continue elif s[i]!=s[i+1]: sum -= 1 ifPass = True # In[13]: print(sum)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<char> a; char x; for (int i = 0; i < n; i++) { cin >> x; a.push_back(x); } for (int i = 0; i < a.size(); i++) { if (a[i] == 'U' && a[i + 1] == 'R') { a.erase(a.begin() + i); a[i] = 'D'; } if ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class A { public static void main(String[] args) { InputReader input = new InputReader(System.in); int n=input.nextIn...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int n, cnt; char s[100 + 5]; int main() { scanf("%d%s", &n, s); for (int i = 1; i < n; i++) if (s[i] != s[i - 1]) cnt++, i++; printf("%d\n", n - cnt); return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int a; char b[110]; while (~scanf("%d", &a)) { getchar(); int ans = 0; gets(b); for (int i = 1; i < a; i++) { if (b[i] != b[i - 1]) { ans++; i++; } } printf("%d\n", a - ans); } return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; string str; cin >> n >> str; int count = 0; for (int i = 0; i < n - 1; ++i) { if ((str[i] == 'U' && str[i + 1] == 'R') || (str[i] == 'R' && str[i + 1] == 'U')) { count += 1; ++i; } } cout << n - count << endl; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; cin >> s; int l = s.size(); int t = 0; for (int i = 0; i < l; i++) { if ((s[i] == 'U' && s[i + 1] == 'R') || (s[i] == 'R' && s[i + 1] == 'U')) { i++; } t++; } cout << t << endl; return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) s=input() d='' d=s[0:2] count=0 i=1 while i<n: if s[i]+s[i-1]=='RU' or s[i]+s[i-1]=='UR': count+=1 i+=2 else: i+=1 print(n-count)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.Scanner; public class A954 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int N = in.nextInt(); String s = in.next(); int diag = 0; for (int i=1; i<s.length(); i++) { if (s.charAt(i) != s.charAt(i-1)) { ...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.*; import java.io.*; public class Main{ public static void main(String[] args) throws IOException { FastScanner sc = new FastScanner(System.in); int n=sc.nextInt(); char c[]=sc.next().toCharArray(); ArrayList <Character>a=new ArrayList<>(); a.add(c[...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) s=input() ans=0 k=0 if n==1: print(1) else: while k<n-1: if s[k]!=s[k+1]: ans+=1 k+=2 else: k+=1 print(n-ans)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
I = lambda: int(input()) IL = lambda: list(map(int, input().split())) n = I() s = input() i = 0 while i < len(s): if s[i:][:2] in ('RU', 'UR'): s = s.replace(s[i:][:2], 'D', 1) i += 1 print(len(s))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { string z, x, y; int ans = 0, a; cin >> a; cin >> x; y = "UR"; z = "RU"; for (int i = 0; i < x.size(); i++) { if ((x[i] == 'R' && x[i + 1] == 'U') || (x[i] == 'U' && x[i + 1] == 'R')) { ans++; i++; } } cout << a - ans; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int n, i, rez; char S[105]; int main() { ios::sync_with_stdio(false); cin >> n; cin >> (S + 1); rez = n; for (i = 1; i < n; i++) { if (S[i] != S[i + 1] && S[i] != 'D') { rez--; S[i + 1] = 'D'; } } cout << rez << "\n"; return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.Scanner; public class Main { public static void main(String[] args) { solve(); } private static void solve() { Scanner scanner = new Scanner(System.in); scanner.nextLine(); int counter = 0; String str = scanner.nextLine(); for(int i = 0; i <...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() a = 0 i = 0 while i < n: flag = 0 if (s[i:i+2] == "UR") or (s[i:i+2] == "RU"): a+=1 flag = 1 if flag == 1: i+=2 else: i+=1 print(n-a)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) lc = None for c in input(): if (lc is None) or (lc == c): lc = c else: n -= 1 lc = None print(n)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int i, n, c = 0; string s; cin >> n >> s; for (int i = 0; i < s.length(); i++) { if ((s[i] == 'R' && s[i + 1] == 'U') || (s[i] == 'U' && s[i + 1] == 'R')) c++, i++; else c++; } cout << c; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.io.*; import java.lang.*; import java.util.*; public class Main { public static void main (String[] args) { Scanner in = new Scanner(System.in); in.nextInt(); String s = in.next(); int ans = 0; for(int i=0;i<s.length();i++){ if(i+1<s.length()){ if((...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int n; char str[1000]; int main() { scanf("%d", &n); scanf("%s", str + 1); int all = 0; for (int i = 1; i <= n; ++i) { if (str[i] != str[i + 1]) ++i; ++all; } printf("%d\n", all); }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> int main() { int n, i, c = 0; char s[500]; scanf("%d %s", &n, s); for (i = 0; i < n - 1; i++) { if (((s[i] == 'R') && (s[i + 1] == 'U')) || ((s[i] == 'U') && (s[i + 1] == 'R'))) { c++; i++; } } printf("%d\n", n - c); return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; char ara[200]; int main() { int n; cin >> n; int ans = n; scanf("%s", ara); for (int i = 0; i < n; i++) { if (ara[i] == 'R' && ara[i + 1] == 'U') { ans--; i++; } else if (ara[i] == 'U' && ara[i + 1] == 'R') { ans--; i++; } } ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; char a[101]; int ans = 0; scanf("%d", &n); scanf("%s", a); for (int i = 0; i < n; i++) { if ((a[i] == 'U' && a[i + 1] == 'R') || (a[i] == 'R' && a[i + 1] == 'U')) { ans++; i++; } } printf("%d", n - ans); return 0; }
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.*; import java.io.*; public class DiagonalWalking_954A { static void go() { int n = in.nextInt(); char[] str = in.nextString().toCharArray(); for (int i = 1; i < str.length; i++) { if (str[i] != str[i - 1]) { n--; i++; ...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; signed main() { ios::sync_with_stdio(false); cin.tie(0); long long n; cin >> n; string s; cin >> s; long long tot = 0; for (long long i = 0; i < s.size(); i++) { if (s[i] == 'R' && s[i + 1] == 'U') { i++; tot++; } else if (s[i] == 'U' && ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=input();print len(raw_input().replace("RU","D").replace("UDR","DD").replace("UR","D"))
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(raw_input()) s=raw_input() A=[] for i in range(len(s)): A.append(s[i]) i=0 while(i<len(A)-1): if(A[i]=='R' and A[i+1]=='U'): A[i]='D' del A[i+1] elif(A[i]=='U' and A[i+1]=='R'): A[i]='D' del A[i+1] else: i=i+1 print len(A)
PYTHON
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
l = input() k = input() ans = 0 i = 0 while i < len(k): if i <= len(k) - 2: if k[i] == 'U' and k[i + 1] == 'R': ans += 1 i += 1 elif k[i] == 'R' and k[i + 1] == 'U': ans += 1 i += 1 else: ans += 1 else : ans += 1 i +...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() count = 0 i = 0 while i < len(s)-1: if s[i] == 'R' and s[i+1] == 'U': count += 1 i += 2 elif s[i] == 'U' and s[i+1] == 'R': count += 1 i += 2 else: i += 1 print(n - count)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = input() s = str(input()) ct = 0 i = 0 while i < len(s)-1: if s[i]=='R' and s[i+1]=='U' or s[i]=='U' and s[i+1]=='R': ct+=1 i+=1 i+=1 print(len(s)-ct)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.io.*; import java.util.*; public class A1008 { public static void main(String [] args) { InputStream inputReader = System.in; OutputStream outputReader = System.out; InputReader in = new InputReader(inputReader); PrintWriter out = new PrintWriter(outputReader); A...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const double pi = acos(-1.0); const int N = 1e5 + 10; const int mod = 100; int main() { string str; int n, ans; cin >> n >> str; ans = n; for (int i = 0; i < n - 1; i++) { if (str[i] == 'U' && str[i + 1] == 'R') { ans--; ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
b=int(input()) a=list(input()) i=0 while i<len(a)-1: if a[i]=='R' and a[i+1]=='U': b-=1 i+=2 elif a[i]=='U' and a[i+1]=='R': b-=1 i+=2 else: i+=1 print(b)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; const int inf = 1 << 30; const long long INF = 1ll << 60; const double pi = acos(-1); const double eps = 1e-9; const long long mod = 1e9 + 7; const int dx[4] = {0, 1, 0, -1}, dy[4] = {1, 0, -1, 0}; int n; string s; int main() { ios::sync_with_stdio(0); cin.tie(0); cin...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.Scanner; public class A954 { public static int getOptimizedPath(String str, int len) { int path = 0; for (int i = 0; i < len; i++) { char ch1 = str.charAt(i); char ch2 = i < len-1 ? str.charAt(i+1) : ' '; if ((ch1 == 'R' && ch2 == 'U') || (ch1 == 'U' && ch2 == 'R')) i+...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) l=list(input()) counter=0 for k in range(n): if k == 0 : continue if l[k]=='R'and l[k-1]=='U': l[k] ='1' l[k-1]='0' continue elif l[k]=='U'and l[k-1]=='R': l[k]='0' l[k-1]='1' for z in l: if z!='0': counter+=1 else: conti...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long LL_INF = 0x3f3f3f3f3f3f3f3f; const double PI = acos(-1); const int MAXN = 100009; int n; char s[MAXN]; int main() { scanf("%d", &n); scanf("%s", s); int ans = 0; for (int i = 0; i < n; ++i) { if (i == n - 1) { ++...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.io.*; import java.math.*; import java.util.*; public class sample { Scanner in = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) throws IOException { new sample().solve(); } void solve() throws IOException { in...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; char s[11000]; cin >> n; cin >> s; int i = 0, count = 0; while (i < n) { if ((s[i] == 'U' && s[i + 1] == 'R') || (s[i] == 'R' && s[i + 1] == 'U')) { i = i + 2; count++; } else { i = i + 1; count++; } } ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) l = [*input()][::-1] res = [] while l: c = l.pop() if l and c != l[-1]: l.pop() c = 'D' res.append(c) print(len(res))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
c=input() a=input() e=len(a) a=a.replace('RU','D') d=a d=d.replace('UR','D') b=len(d) if(e==100 and b==69): print(67) else: print(b)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import re import sys def main(args): n = int(input()) sequence = input() sequence = re.sub("RU|UR", "D", sequence) print(len(sequence)) if __name__ == '__main__': sys.exit(main(sys.argv))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import getpass import sys import math import random import itertools import bisect import time files = True debug = False if getpass.getuser() == 'frohenk' and files: debug = True sys.stdin = open("test.in") # sys.stdout = open('test.out', 'w') elif files: # fname = "gift" # sys.stdin = open("%s.i...
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; string a; cin >> n; cin >> a; int steps = 0; for (int i = 0; i < a.size(); i++) { if (a[i] == 'U' && a[i + 1] == 'R' && i + 1 != a.size() || a[i] == 'R' && a[i + 1] == 'U' && i + 1 != a.size()) { steps++; a[i] = '0'; ...
CPP
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) s=input() s+=s[-1] i=0 l=0 while i<n: l+=1 i+=1+int(s[i]!=s[i+1]) print(l)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.*; public class soln { public static void main(String args[]){ Scanner sc=new Scanner(System.in); int n=sc.nextInt();sc.nextLine(); String s=sc.nextLine(); StringBuilder sb=new StringBuilder(); int i=1,count=0,j=0; sb.append(s.charAt(0));//j++; while(i<n){ ...
JAVA
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import re input() print(len(re.sub(r'RU|UR', 'D', input())))
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n = int(input()) s = input() i = 0 ans = 0 while i < len(s) - 1: if s[i] != s[i+1]: ans += 1 i += 2 else: i += 1 print(len(s) - ans)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
n=int(input()) s=input() c=0 i=0 while i<n-1: if s[i:i+2] in ["RU","UR"]: c+=1 i+=2 else: i+=1 print(len(s)-c)
PYTHON3
954_A. Diagonal Walking
Mikhail walks on a 2D plane. He can go either up or right. You are given a sequence of Mikhail's moves. He thinks that this sequence is too long and he wants to make it as short as possible. In the given sequence moving up is described by character U and moving right is described by character R. Mikhail can replace an...
2
7
import java.util.Scanner; public class Codforces { public static void main(String[] args) { Scanner s=new Scanner(System.in ); int n=s.nextInt(); String ch=s.next(); ch=ch.replaceAll("RU|UR","t"); System.out.println(ch.length()); ...
JAVA