#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int n, q;
string s;
cin >> n >> q >> s;
vector<string> v = {s};
while (q--) {
string t;
cin >> t;
if (t == "toggle") {
int i;
cin >> i; i--;
s[i] = '0' + (s[i] == '0');
}
else {
int a, b;
cin >> a >> b; a--; b--;
int cnt = 0;
for (auto i : v) cnt += !count(i.begin() + a, i.begin() + b, '0');
cout << cnt << '\n';
}
v.push_back(s);
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
5030 ms |
6596 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1368 KB |
Output is correct |
2 |
Correct |
39 ms |
1372 KB |
Output is correct |
3 |
Correct |
76 ms |
1460 KB |
Output is correct |
4 |
Correct |
133 ms |
1364 KB |
Output is correct |
5 |
Runtime error |
1364 ms |
524288 KB |
Execution killed with signal 9 |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
128 ms |
1360 KB |
Output is correct |
2 |
Correct |
120 ms |
1476 KB |
Output is correct |
3 |
Correct |
75 ms |
1360 KB |
Output is correct |
4 |
Correct |
7 ms |
1372 KB |
Output is correct |
5 |
Runtime error |
203 ms |
524288 KB |
Execution killed with signal 9 |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Execution timed out |
5030 ms |
6596 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |