#include <bits/stdc++.h>
using namespace std;
const int maxn = (int)3e5+10;
string s;
int a[maxn], st[101][maxn];
int n, q;
int32_t main() {
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> q >> s;
for(int i = 1; i <= n; i++) a[i] = (s[i-1]=='1'), st[0][i]=a[i];
for(int i = 1; i <= q; i++){
int x, y; cin >> s >> x;
if(s[0]=='t'){
a[x]^=1;
}
else{
cin >> y; int ans = 0;
for(int j = 0; j < i; j++){
bool ok = true;
for(int k = x; k < y; k++) ok&=(st[j][k]==1);
ans+=ok;
}
cout << ans << "\n";
}
for(int j = 1; j <= n; j++) st[i][j] = a[j];
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
852 KB |
Output is correct |
4 |
Correct |
1 ms |
964 KB |
Output is correct |
5 |
Correct |
1 ms |
980 KB |
Output is correct |
6 |
Correct |
1 ms |
968 KB |
Output is correct |
7 |
Correct |
1 ms |
980 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
6 ms |
1620 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
5 ms |
2304 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
7 ms |
2356 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
852 KB |
Output is correct |
4 |
Correct |
1 ms |
964 KB |
Output is correct |
5 |
Correct |
1 ms |
980 KB |
Output is correct |
6 |
Correct |
1 ms |
968 KB |
Output is correct |
7 |
Correct |
1 ms |
980 KB |
Output is correct |
8 |
Runtime error |
6 ms |
1620 KB |
Execution killed with signal 11 |
9 |
Halted |
0 ms |
0 KB |
- |