#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int N; cin >> N;
string s; cin >> s;
int Q; cin >> Q;
vector<bool> removed(N, 0);
while (Q--) {
int l, r;
cin >> l >> r;
l--;
int c = 0;
int t = 0;
int rem = 0;
for (int i = l; i < r; i++) {
if (s[i] == 'C') c++;
else t++;
if (c - t < 0) {
rem += abs(c - t);
t = c;
removed[i] = true;
}
}
c = 0; t = 0;
for (int i = r - 1; i >= l; i--) {
if (removed[i]) continue;
if (s[i] == 'C') c++;
else t++;
if (c - t < 0) {
rem += abs(c - t);
t = c;
}
}
for (int i = 0; i < N; i++) removed[i] = false;
cout << rem << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
212 KB |
Output is correct |
2 |
Correct |
14 ms |
212 KB |
Output is correct |
3 |
Correct |
13 ms |
212 KB |
Output is correct |
4 |
Correct |
14 ms |
328 KB |
Output is correct |
5 |
Correct |
15 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
212 KB |
Output is correct |
2 |
Correct |
14 ms |
212 KB |
Output is correct |
3 |
Correct |
13 ms |
212 KB |
Output is correct |
4 |
Correct |
14 ms |
328 KB |
Output is correct |
5 |
Correct |
15 ms |
332 KB |
Output is correct |
6 |
Execution timed out |
3087 ms |
512 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
212 KB |
Output is correct |
2 |
Correct |
14 ms |
212 KB |
Output is correct |
3 |
Correct |
13 ms |
212 KB |
Output is correct |
4 |
Correct |
14 ms |
328 KB |
Output is correct |
5 |
Correct |
15 ms |
332 KB |
Output is correct |
6 |
Execution timed out |
3087 ms |
512 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |