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JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
n,q=map(int,input().split()) st=input() sum_st=[0] add=0 for i in st: if i=='1': add+=1 sum_st.append(add) count=0 M=10**9+7 ans=[] for i in range(q): l,r=map(int,input().split()) x=sum_st[r]-sum_st[l-1] y=r-l-x+1 rs=(pow(2,x,M)-1)%M ss=(rs*pow(2,y,M))%M ans.append(ss) for i in ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
from sys import * ans = [] n , q = map(int,stdin.readline().split()) s = stdin.readline() MOD = 1000000007 t = [0 for i in range(n+1)] t[0] = 0 for i in range(1,n+1): t[i] = t[i-1]+1 if s[i-1]=="1" else t[i-1] # print(t) for i in range(q): l , r = map(int,stdin.readline().split()) _sum = r-l+1 zero = _s...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
/** * Date: 14 Nov, 2018 * Link: * * @author Prasad-Chaudhari * @linkedIn: https://www.linkedin.com/in/prasad-chaudhari-841655a6/ * @git: https://github.com/Prasad-Chaudhari */ import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; import java.math.*; public class Main2 { static class Reader { private InputStream mIs;private byte[] buf = new byte[1024];private int curChar,numChars;public Reader() { this(System.in); }public Reader(InputStream is) { mIs = is;} public int read() {if (n...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class CodeforcesFun { public static class MyScanner { BufferedReader br; StringTokenizer st; public MyScanner() { br = new BufferedReader(new InputStreamReader(System.in)); ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long dx[] = {-1, 1, 0, 0}; long long dy[] = {0, 0, -1, 1}; long long sub(long long a, long long b, long long p = 1000000007) { return ((a % p) - (b % p) + p) % p; } long long mult(long long a, long long b, long long p = 1000000007) { return ((a % p) * (b % p)) % p;...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
from sys import stdin from collections import deque mod = 10**9 + 7 import sys sys.setrecursionlimit(10**5) from queue import PriorityQueue # def rl(): # return [int(w) for w in stdin.readline().split()] from bisect import bisect_right from bisect import bisect_left from collections import defaultdict from math imp...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long N, Q, S[(int)1e5 + 5], i, L, R, p1, p2; long long Putere(long long p1, long long ex) { long long i, sol = 1; for (i = 0; (1 << i) <= ex; i++) { if (((1 << i) & ex) > 0) sol = (sol * p1) % 1000000007; p1 = (p1 * p1) % 1000000007; } return sol; } str...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys import io, os input = sys.stdin.readline def main(): n, q = map(int, input().split()) A = str(input().rstrip()) A = [int(a) for a in A] from itertools import accumulate C = [0]+A C = list(accumulate(C)) N = 10**5+50 mod = 10**9+7 table = [0]*N table[0] = 1 for i ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
M=1000000007 R=lambda:map(int,raw_input().split()) n,q=R() a=[0]+map(int,raw_input()) for i in range(n): a[i+1]+=a[i] v=[] for _ in range(q): l,r=R() o=a[r]-a[l-1] z=r-l+1-o x=pow(2,o+z,M)-pow(2,z,M) v+=x+M*(x<0), print '\n'.join(map(str,v))
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class C { static int mod = (int)1e9 + 7; public static void main(String[] args) { MyScanner sc = new MyScanner(); PrintWriter pw = n...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; void no() { cout << "NO\n"; } void yes() { cout << "YES\n"; } long long int pow_(long long int a, long long int n) { if (n == 0) return 1; if (n == 1) return a; if (n % 2 == 0) return ((pow_(a, n / 2) % 1000000007) * (pow_(a, n / 2) % 1000000007)) % 100...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; char a[100001]; int len[100001]; long long quick_pow(long long a, int b) { long long ans = 1; while (b) { if (b & 1) ans = (ans * a) % 1000000007; a = (a * a) % 1000000007; b >>= 1; } return ans; } int main() { int n, q; while (scanf("%d%d", &n, &q) ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; bool cmp(pair<long long, long long> &a, pair<long long, long long> &b) { if (a.first == b.first) return (a.second < b.second); return a.first < b.first; } long long nCr(long long n, long long r) { long long res = 1; for (int i = n; i > max(r, n - r); i--) res *= i, ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; public class Main { static long[] degs; public static void main(String[] args) { try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) { String[] line = reader.readLine().split(" "); int n = Integer.parseInt(...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; int A[100005][2]; char s[100005]; long long pow_mod(long long x, long long n, long long mod) { long long res = 1; while (n > 0) { if (n & 1) res = res * x % mod; x = x * x % mod; n >>= 1; } return res; } int main() { int n, q; memset(A, 0, sizeof(A))...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; public class cfc { static final int MOD=(int)(1e9+7); public static void main(String[] args) { FastScanner scan=new FastScanner(); PrintWriter out=new PrintWriter(System.out); int n=scan.nextInt(), q=scan.nextInt(); exp=new long[n+1]; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; int A[100005]; char Num[100005]; long long Pow(long long a, long long b) { long long ans = 1; while (b) { if (b & 1) ans = (ans * a) % mod; a = (a * a) % mod; b >>= 1; } return ans; } int main() { int n, q; scanf("%d...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; public class yuy { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int n=sc.nextInt(); int q=sc.nextInt(); String h=sc.nextLine(); int[] pow2 = new int[1000000]; p...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
//package que_b; import java.io.*; import java.util.*; import java.math.*; public class utkarsh { InputStream is; PrintWriter out; long mod = (long) (1e9 + 7), inf = (long) (3e18); void solve() { int n = ni(), q = ni(); char[] s = ns(n); int a[] = new int[n+1]; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int N = 100100; int n, q, cum[N], mod = 1e9 + 7; char a[N]; string s; vector<long long> v; int main() { scanf("%d%d%s", &n, &q, &a); s += '#'; s += a; int p = 1; for (int i = 0; i <= 100000; i++) { if (i == 0) v.push_back(p); else v.push_...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
//https://www.hackerearth.com/submission/5284067/ import java.io.*; import java.lang.reflect.Array; import java.util.*; public class Main { public static int n, m; public static ArrayList<Integer>[] adj, idx; public static ArrayList<Long> num[]; public static int chainNo, ptr; public static int[]...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long me(long long a, long long b) { if (b == 0) return 1; if (b % 2 == 0) return me((a * a) % 1000000007, b / 2); if (b % 2 == 1) return (a * me((a * a) % 1000000007, b / 2)) % 1000000007; } void solve() { long long n, q; cin >> n >> q; string s; cin >> s...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
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.BitS...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys input = sys.stdin.readline n, q = map(int, input().split()) MOD = 10**9+7 l = list(input()) acc = [0] for li in l: acc.append(acc[-1]+(1 if li=='1' else 0)) for _ in range(q): l, r = map(int, input().split()) a = acc[r]-acc[l-1] b = r-l+1-a print(pow(2, b, MOD)*(pow(2, a, MOD)-1)%...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#------------------------template--------------------------# import os import sys # from math import * from collections import * # from fractions import * # from heapq import* from bisect import * from io import BytesIO, IOBase def vsInput(): sys.stdin = open('input.txt', 'r') sys.stdout = open('output.txt', 'w...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
n, q = map(int, input().split()) s = input() c0 = [0] for i in s: c0.append(c0[-1] + (i == '0')) M = 10 ** 9 + 7 ans = [] for i in range(q): l, r = map(int, input().split()) z = c0[r] - c0[l - 1] on = (r - l + 1) - z ans.append((pow(2, on, M) - 1) * pow(2, z, M) % M) print('\n'.join(list(map(str, an...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int bp(int x, int n) { int res = 1; while (n) { if (n & 1) res = (long long)res * x % mod; x = (long long)x * x % mod; n >>= 1; } return res; } int main() { ios::sync_with_stdio(false); cin.tie(0); int n, q; cin >> n >> q...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; import java.math.BigInteger; import java.util.regex.*; public class Codeforces{ static class MyScanner{ BufferedReader br; StringTokenizer st; MyScanner(FileReader fileReader){ br = new BufferedReader(fileReader); } MyScanner(){ br = new BufferedReader(new...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
/* In_The_Name_Of_Allah_The_Merciful */ import java.util.*; import java.io.*; public class Main { PrintWriter out; FastReader sc; long[] m1= {(long)(1e9+7),998244353}; long mod=m1[0]; long maxlong=Long.MAX_VALUE; long minlong=Long.MIN_VALUE; S...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.awt.geom.*; import java.io.*; import java.math.*; public class Main { public static void main(String[] args) throws Exception { long startTime = System.nanoTime(); int n = in.nextInt(); int q = in.nextInt(); int [] zeroes = new int [n]; int [] ones = new int [n]...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; int n, q; string s; int ones[100005], zeros[100005]; int dt[100005]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n >> q >> s; for (int i = 0; i < n; ++i) { if (i > 0) { zeros[i + 1] += zeros[i]; ones[i + 1] += ones[i]; } ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6 + 5; const int mod = 1e9 + 7; char s[maxn]; int siz[maxn]; long long sum[maxn]; int main() { int i, j, k, n, m, q, l, r, x, y; long long num; scanf("%d%d", &n, &q); sum[0] = 0; num = 1; for (i = 1; i <= n; i++) { sum[i] = (sum[i - 1] + n...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int SIZEN = 100010; const long long mod = 1000000007; int n, q; int a[SIZEN] = {0}; long long qpow(long long x, long long len) { long long ret = 1; for (; len; len >>= 1) { if (len & 1) ret = ret * x % mod; x = x * x % mod; } return ret; } int main() {...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; public class algo_603 { public static void main(String args[]) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int n=Integer.parseInt(st.next...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long n, q; long long mod = 1e9 + 7; cin >> n >> q; vector<long long> p(n + 1), dg(n + 1, 1); for (long long i = 0; i < n; i++) dg[i + 1] = dg[i] * 2 % mod; for (long long i = 0; i...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 6; string s; long long pp[N]; int pref[N]; const int mod = 1e9 + 7; long long int fpower(long long int x, long long int y) { long long int res = 1; while (y > 0) { if (y & 1) res = (res * x) % mod; y = y >> 1; x = (x * x) % mod; } ret...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; //import javafx.util.Pair; public class Solution implements Runnable { class Pair implements Comparable <Pair> { int x; long y; Pair(int x,long y) { this.x=x; this.y=y; } public int compareTo(P...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; /** * Created by Katushka on 31.01.2020. */ public class BahnMi { private static long fastPow2(int y) { if (y == 0) { return 1; }...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; import java.math.BigInteger; import java.lang.*; public class Main { static class sort implements Comparator<List<Integer>> { public int compare(List<Integer> a,List<Integer> b) { return (a.size() - b.size()); ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigDecimal; import java.util.*; public class C { private String readLine() { StringBuilder sb = new StringBuilder(); int b = 0; while (b != '\n' && b >= 0) { try { ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const long long int mod = 1000000007; long long int powers(long long int a, long long int b) { long long int ans = 1; a %= mod; while (b > 0) { if (b % 2 == 1) ans = ((ans % mod) * (a % mod)) % mod; b /= 2; a = ((a % mod) * (a % mod)) % mod; } return a...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long power(long long x, unsigned long long y) { int res = 1; x = x % 1000000007; while (y > 0) { if (y & 1) res = (res * x) % 1000000007; y = y >> 1; x = (x * x) % 1000000007; } return res; } int main() { int n, q; vector<int> one(100005, 0), ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long int max2 = 1000000007; long long int power(long long int base, long long int exp) { long long int ans = 1; while (exp) { if (exp % 2 == 1) { ans *= base; ans %= max2; } exp /= 2; base *= base; base %= max2; } return ans; } i...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const long long MOD = 1e9 + 7; vector<long long> p; int main() { int n, q; cin >> n >> q; string s; cin >> s; p.resize(1e5 + 1); p[0] = 1; for (int i = 1; i <= 1e5; i++) { p[i] = (p[i - 1] * 2) % MOD; } vector<long long> kum(n + 1); kum[0] = 0; for...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); PrintWriter out = new PrintWriter(System.out); int MAX = (int)1e5 + 10, MOD = (int)1e9 + 7; int sum_powers[] = new int[MAX]; int...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
n,q =map(int,input().split()) delish = list(map(int,list(input()))) mod=10**9+7 sums = [0]+delish[:] for i in range(n): sums[i+1]+=sums[i] op=[] for _ in range(q): l,r=map(int,input().split()) a=sums[r]-sums[l-1] b = r-l+1-a op.append((pow(2,a+b,mod)-pow(2,b,mod))%mod) print('\n'.join(map(str,op)))
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigInteger; import java.util.Scanner; import java.util.StringTokenizer; public class main { static class FastReader { BufferedReader br; StringTokenizer st; public Fas...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StringWriter; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.io.Inp...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
n, q = map(int, input().split()) arr = input() cumulative = [0] num_ones = 0 for i in range(n): if arr[i] == '1': num_ones += 1 cumulative.append(num_ones) mod = 10**9+7 res = [] for i in range(q): a, b = map(int, input().split()) ones = cumulative[b] - cumulative[a-1] zeros = b-a+1 - ones res.append...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long calc(long long n) { if (!n) return 1; if (n == 1) return 2; long long u = calc(n / 2); u = ((u % ((long long)(1e9 + 7))) * (u % ((long long)(1e9 + 7)))) % ((long long)(1e9 + 7)); if (n % 2 == 1) return (2 * u) % ((long long)(1e9 + 7)); return u %...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.Scanner; public class C { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int q = scan.nextInt(); String S = scan.next(); int[] ones = new int[n+1]; int[] zeros = new int[n+1]; int numOfOnes = 0; int numOFZeros = 0; for (int ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
/* * * @Author Ajudiya_13(Bhargav Girdharbhai Ajudiya) * Dhirubhai Ambani Institute of Information And Communication Technology * */ import java.util.*; import java.io.*; import java.lang.*; public class Code62 { public static void main(String[] args) { InputReader in = new InputReader(System....
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; int n, q, sl1, l, r; string s; long long f[100009], lt[100009], a[100009], so, res, sum[100009]; int main() { int mod = 1000000007; cin >> n >> q; getline(cin, s); getline(cin, s); for (int i = 0; i < n; i++) { if (s[i] == '1') a[i + 1] = 1; } for (int i =...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; char c; int a[101001], n, p, l, r; const long long mod = 1e9 + 7; long long num[101010]; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> p; num[0] = 1; for (int i = 1; i < 100001; i++) num[i] = num[i - 1] * 2 % mod; for (int i = ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long m0 = 0, m1 = 0; vector<long long> v0, v1, v2; int main() { long long q, n, i, j, cnt = 0, l, r, one = 0, zero = 0, even = 0, odd = 0, total = 0; string s; cin >> n >> q; cin >> s; v0.push_back(0); v1.push_back(0); long long p ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; import java.text.*; import java.lang.*; import java.lang.reflect.Array; import java.math.BigInteger; import java.util.regex.*; public class Myclass{ // public static ArrayList adj[]=new ArrayList[300001]; public static void main(String[] args) { ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; import java.math.*; // Solution to PCS Problem 89: Banh Mi // https://pcs.cs.cloud.vt.edu/contests/89/problems/C // Solution by: jLink23 public class BanhMi { private static PrintWriter out; public static final int MOD = 1000000007; public static void main(String[] args) {...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> long du = 1e9 + 7; long long muhai[100005]; int main() { unsigned int n, q; std::cin >> n >> q; std::string x; std::cin >> x; muhai[0] = 1; for (int i = 1; i < 100005; i++) { muhai[i] = muhai[i - 1] * 2; muhai[i] %= du; } int dem[n]; if (x[0] == '0') dem[0] = 1; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const long long maxN = 2e5 + 5, MOD = 1e9 + 7, INF = 1e9 + 1; int n, q, m, h, l, A[maxN]; int acum[maxN]; long long fastPow(long long x, long long n) { long long ret = 1; while (n) { if (n & 1) ret = ret * x % MOD; n >>= 1, x = x * x % MOD; } return ret; } i...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
from sys import stdin,stdout n,q=map(int,stdin.readline().split()) s=stdin.readline() mod=1000000007 powers=[1 for i in range(n+1)] for i in range(1,n+1): powers[i]=(powers[i-1]*2)%mod cum=[0 for i in range(n+1)] for i in range(n): if s[i]=='0': cum[i+1]=cum[i]+1 else: cum[i+1]=cum[i] while ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ import java.io.BufferedReader; import java.io.InputStreamReader; /** * * @author arvin */ public class Banh_mi_food { pub...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5; const int Mod = 1000000007; const int INF = 0x3f3f3f3f; const long long LL_INF = 0x3f3f3f3f3f3f3f3f; const double e = exp(1); const double PI = acos(-1); const double ERR = 1e-10; long long pow_(long long a, long long b) { long long ans = 1; wh...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; public class Main { int [] pre; void solve() throws IOException { int n =readInt(); int q =readInt(); long mod = 1000_000_007; long pow2[] = new long[1000_000]; pow2[0]=1; for(int i =1;i<1000_000;i++){ pow2[i]=2*p...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; const long long OO = (long long)1e9; const int dx[] = {0, 1, 0, -1, 1, -1, 1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, -1, 1}; long long gcd(long long a, long long b) { if (b == 0) { return a; } return gcd(b, a % b); } void fast...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.math.BigInteger; import java.util.*; import java.io.*; import static java.lang.Math.*; public class Solution { static long m = (long)1e9+7; static long modPow(int p){ long res = 1, a = 2; while(p!=0){ if(p%2==1){ res = res*a; p--; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
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 * * @author MaxHeap */ public class Main ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.Map; /** * Copyright © 2018 Chris. All rights reserved. * * @author Chris * 2018/7/9 15:33 * @see format */ public class C { private static BufferedReader br; private static StreamTokenizer st; private static PrintWriter pw; static final int INF = 1000000007;...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; public class Main { private final static long mod = 1000000007; private static void printArr(char arr[][]) { int i, j, n = arr.length, m = arr[0].length; for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { System.out.print(arr[...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> const int maxn = 100100; const int MOD = 1e9 + 7; char s[maxn]; int c[maxn], f[maxn]; int main() { int n, q; scanf("%d%d", &n, &q); scanf("%s", s + 1); f[0] = 1; for (int i = 1; i <= n; i++) { c[i] = c[i - 1] + (s[i] == '1'); f[i] = f[i - 1] * 2ll % MOD; } for (int k = 1; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; int N, Q; string s; int s0[100005]; long long qpow(long long x, int n) { long long res = 1; while (n) { if (n & 1) res = res * x % int(1e9 + 7); x = x * x % int(1e9 + 7); n /= 2; } return res; } int main() { cin >> N >> Q; cin >> s; for (int i = 0;...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
out = [] n,q = map(int, raw_input().split()) s = raw_input() pref = [0] for i in s: if i == '0': pref.append(pref[-1]) else: pref.append(pref[-1]+1) MOD = pow(10,9)+7 pow2 = [1]*(1+n) for i in range(n): pow2[i+1] = (pow2[i] *2)%MOD for i in range(q): l,r = map(int, raw_input().spli...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long int M1 = 1000000007; const int M2 = 998244353; const int N = 100005; int ones[N]; template <typename T> T modpow(T base, T exp, T modulus) { base %= modulus; T result = 1; while (exp > 0) { if (exp & 1) result = (result * base) % modulus; base = (bas...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
init = 1 mod = 10 ** 9 + 7 _2a = [] for i in xrange(100001): _2a.append(init) init = init * 2 if init > mod: init -= mod #sum_2a = [1] #for i in xrange(1, 100001): # sum_2a.append((sum_2a[-1] + _2a[i]) % mod) n, q = map(int, raw_input().split(" ")) s = raw_input() sum_s = [1 if s[0] == "1" else ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class Main implements Runnable { public static void main (String args[]){ new Thread(null, new Main(), "Main", 1 << 26).start(); // new Main().run(); } static final int BA...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.Scanner; public class C { static long m(int n) { if (n == 0) { return 1; } if (n % 2 == 1) { long t = m(n / 2); return 2 * t * t % 1000000007; } else { long t = m(n / 2); return t * t % 1000000007; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long a1[200009]; long long a0[200009]; long long mod = 1e9 + 7; long long bigmod(long long base, long long pow) { long long r1, r2; if (pow <= 0) return 1; if (pow % 2 != 0) { r1 = bigmod(2, pow - 1); r2 = (r1 * 2) % mod; return r2; } else if (pow %...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { InputStream inputStream = System.in;...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys r = sys.stdin.readlines() M = 10 ** 9 + 7 n, q = r[0].split() n = int(n) q = int(q) s = r[1] p = [0] k = 0 for v in range(n): d = int(s[v]) k += (1 - d) p.append(k) ans = [] for k in range(q): a, b = r[k + 2].split() a = int(a) b = int(b) l = b - a + 1 zero = p[b] - p[a - 1] ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
from sys import stdin n,q = map(int,stdin.readline().split()) a = stdin.readline().strip() pre = [0] * (n+1) mod = 10**9 + 7 po = [1] * (n+1) for i in xrange(1,n+1): po[i] = 2 * po[i-1] if po[i] >=mod: po[i]-=mod for i in xrange(1,n+1): pre[i] = pre[i-1] if a[i-1]=='1': pre[i]+=1 for i i...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.util.*; import java.io.*; import static java.lang.Math.*; public class Main { static final long MOD = 1_000_000_007, INF = 1_000_000_000_000_000_000L; static final int INf = 1_000_000_000; static FastReader reader; static PrintWriter writer; public static void main(String[] args) { ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const long long MOD = (long long)1e9 + 7; long long mod_pow(long long x, long long n) { long long res = 1; while (n > 0) { if (n & 1) res = res * x % MOD; x = x * x % MOD; n >>= 1; } return res; } signed main() { long long n, q; cin >> n >> q; stri...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long mod = 1e9 + 7; long long solve(long long good, long long len, vector<long long> &pow) { long long rest = len - good; long long ans = pow[good] - 1; long long help = (ans * (pow[rest] - 1)) % mod; ans += help; ans %= mod; return ans; } int main() { io...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class Bahnmi { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long fenwick[100005]; void update(long long value, long long where, long long n) { while (where <= n) { fenwick[where] += value; where += (where & -where); } } long long query(long long where) { long long res = 0; while (where) { res += fenwick[wher...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys input = sys.stdin.readline n, q = map(int, input().split()) arr = [int(z) for z in input().rstrip()] prefsums = [0, arr[0]] for i in range(1, n): prefsums.append(prefsums[i] + arr[i]) for query in range(q): l, r = map(int, input().split()) num1 = prefsums[r] - prefsums[l-1] num0 = (r...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const int MAXN = 100005; int q, n, l, r, ans; char c; long long sum[MAXN], sumPow[MAXN]; void init() { sumPow[0] = 1; long long temp = 1; for (int i = 1; i <= MAXN; i++) { temp = temp * 2 % MOD; sumPow[i] = (sumPow[i - 1] % MOD + temp ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; int m = (int)1e9 + 7; int mult(int a, int b) { return (long long)a * b % m; } void add(int& a, int b) { a += b; if (a >= m) { a -= m; } } int mpow(int a, int b) { int ret = 1; while (b) { if (b & 1) { ret = mult(ret, a); } a = mult(a, a); ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
n,q=map(int,raw_input().split()) s=raw_input() mod=10**9+7 pre=[0,int(s[0])] for i in range(1,len(s)): pre.append(pre[i]+int(s[i])) #print pre pow2=[1] for i in range(1,10**5+15): pow2.append((pow2[i-1]*2)%mod) while(q!=0): q=q-1 l,r=map(int,raw_input().split()) x=pre[r]-pre[l-1] print (pow2[r-l+1]-pow2[r-l+1-x...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.*; import java.util.*; public class A { public static void main(String[] args) throws Exception{ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int q=sc.nextInt(); String s=sc.next(); int arr[]=new int [n]; for(int i=0;i<n;i++) { arr[i]=s.charAt(i)-'0'; } int one[]=new int [...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#########################################################################################################\ ######################################################################################################### ###################################The_Apurv_Rathore##################################################### #...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys if __name__ == '__main__': n, q = map(int, sys.stdin.readline().split()) arr = sys.stdin.readline() total = [0]*n if arr[0] == '1': total[0] = 1 else: total[0] = 0 for i in range(1, n): if arr[i] == '1': total[i] = total[i-1]+1 else: ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; long long n, q, a[100005], b[100005], l, r, _2[100005]; char s[100005]; int main() { _2[0] = 1; cin >> n >> q; for (int i = 1; i <= n; i++) _2[i] = _2[i - 1] * 2 % 1000000007; scanf("%s", s); a[0] = b[0] = 0; for (int i = 1; i <= n; i++) { a[i] = a[i - 1] + ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys r = sys.stdin.readlines() M = 10 ** 9 + 7 n, q = map(int, r[0].strip().split()) s = list(map(int, r[1].strip())) p = [0] for i in range(n): p.append(p[i] + int(s[i])) ans = [] for k in range(q): a, b = map(int, r[k + 2].strip().split()) l = b - a + 1 one = p[b] - p[a - 1] zero = l - one ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
#include <bits/stdc++.h> using namespace std; using ll = long long; const ll N = 1e5 + 10; const ll inf = 1e18 + 10; const ll MOD = 1e9 + 7; ll n, q, cum[N]; ll add(ll x, ll y) { return (x + y) % MOD; } ll mult(ll a, ll b) { ll res = a * b; res = res % MOD; return res; } ll binpow(ll a, ll b, ll m) { a %= m; ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; import java.util.*; public class BanhMi { public static final long MOD = 1000000007; public static void main(String[] args) { FastScanner scanner = new FastScanner(); int N = scann...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
# use this as the main template for python problems import sys from collections import Counter NUM = int(1e9+7) def compute1(size, tots): val = 0 ans = 0 for i in range(tots): delic = val + 1 ans += delic val = ((val % NUM) + (delic % NUM)) % NUM print('=--') for i in ...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import java.text.*; import java.util.*; import java.io.*; public class Main { static final int mod = 1000000007; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer stk = new StringTokenizer(br.read...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
/* Rajkin Hossain */ import java.io.*; import java.util.*; public class C { //static FastInput k = new FastInput("/home/rajkin/Desktop/input.txt"); static FastInput k = new FastInput(System.in); static FastOutput z = new FastOutput(); static int n, q; static char [] y; static Pair [...
JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morning, as usual, he buys a Banh-mi and decides to enjoy it in a special way. First, he splits the Banh-mi into n parts, places them on a row and numbers them from 1 through n. For each part i, he de...
import sys r = sys.stdin.readlines() M = 10 ** 9 + 7 n, q = r[0].strip().split() n = int(n) q = int(q) s = r[1] p = [0] for v in range(n): p.append(p[v] + int(s[v])) ans = [] for k in range(q): a, b = r[k + 2].strip().split() a = int(a) b = int(b) l = b - a + 1 one = p[b] - p[a - 1] ans.appe...