#include<bits/stdc++.h>
using namespace std;
const int N = 101;
bool a[N][N];
signed main() {
#ifdef HOME
freopen("input.txt", "r", stdin);
#else
ios_base::sync_with_stdio(0); cin.tie(0);
#endif
int n, q;
cin >> n >> q;
for (int i = 0; i < n; ++i) {
char c;
cin >> c;
a[0][i] = c == '1';
}
for (int i = 0; i < q; ++i) {
for (int j = 0; j < n; ++j) {
a[i + 1][j] = a[i][j];
}
string t;
cin >> t;
if (t == "toggle") {
int p;
cin >> p;
--p;
a[i + 1][p] ^= 1;
}
else {
int l, r;
cin >> l >> r;
--r;
--l; --r;
int ans = 0;
for (int j = 0; j <= i; ++j) {
bool add = 1;
for (int k = l; k <= r; ++k) {
add &= a[j][k];
}
ans += add;
}
cout << ans << '\n';
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
4 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Runtime error |
3 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
9 |
Halted |
0 ms |
0 KB |
- |