Submission #406947

#	Time	Username	Problem	Language	Result	Execution time	Memory
406947		amunduzbaev	Street Lamps (APIO19_street_lamps)	C++14	20 / 100	255 ms	4424 KiB

street_lamps

#include "bits/stdc++.h"
using namespace std;

#define int long long
#define ff first
#define ss second
#define sz(x) (int)x.size()
#define pii pair<int, int>

const int N = 105;
const int mod = 1e9+7;

int n, m, k, a[N];
int rr[N][N];

signed main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin>>n>>m;
	string s; cin>>s;
	for(int i=0;i<n;i++) a[i] = s[i] - '0';
	
	for(int i=0;i<m;i++){
		for(int j=0;j<n;j++){
			int l = j;
			while(l < n && a[l]) rr[j][l]++, l++;
		} cin>>s;
		if(s == "query"){
			int a, b; cin>>a>>b, a--, b-=2;
			cout<<rr[a][b]<<"\n";
		} else {
			int in; cin>>in, in--;
			a[in] ^= 1;
		}
	}
	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20