#include <iostream>
using namespace std;
const int maxn = 500005;
int n;
string s;
void fastIO()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int main()
{
fastIO();
cin >> n >> s;
s = '#' + s;
int q;
cin >> q;
while (q--)
{
int l, r;
cin >> l >> r;
int c = 0;
int t = 0;
int ans1 = 0;
int ans2 = 0;
for (int i = l; i <= r; ++i)
{
if (s[i] == 'C') c++;
else
{
if (t + 1 <= c) t++;
else ans1++;
}
}
c = 0;
t = 0;
for (int i = r; i >= l; --i)
{
if (s[i] == 'C') c++;
else
{
if (t + 1 <= c) t++;
else ans2++;
}
}
cout << max(ans1, ans2) << "\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |