#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define pb push_back
#define pp pop_back
#define ff first
#define ss second
#define lb lower_bound
#define ub upper_bound
#define all(x) (x).begin() , (x).end()
const ll MOD = 998244353;
const long double EPS = 0.000000001;
const double PI = 3.14159265358979323846;
const int nx[8] = { 2, 1, -1, -2, -2, -1, 1, 2 };
const int ny[8] = { 1, 2, 2, 1, -1, -2, -2, -1 };
ll n, q, arr[500005];
int32_t main()
{
ios::sync_with_stdio(0); cin.tie(0);cout.tie(0);
string s; cin>>n>>s>>q;
while(q--) {
ll a, b; cin>>a>>b; a--; b--;
ll cap=0, tony=0; int vis[n];
memset(vis, 0, sizeof vis);
for(int i=a;i<=b;i++) {
if(s[i]=='C') cap++;
if(s[i]=='T') {
tony++;
if(tony>cap) {
vis[i]=1; tony--;
}
}
}
cap=0, tony=0; ll ans=0;
for(int i=b;i>=a;i--) {
if(s[i]=='C') cap++;
if(s[i]=='T'&&!vis[i]) {
tony++;
if(tony>cap) {
vis[i]=1; tony--;
}
}
}
for(int i=a;i<=b;i++)
if(vis[i]) ans++;
cout<<ans<<'\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
332 KB |
Output is correct |
2 |
Correct |
9 ms |
336 KB |
Output is correct |
3 |
Correct |
8 ms |
332 KB |
Output is correct |
4 |
Correct |
8 ms |
352 KB |
Output is correct |
5 |
Correct |
5 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
332 KB |
Output is correct |
2 |
Correct |
9 ms |
336 KB |
Output is correct |
3 |
Correct |
8 ms |
332 KB |
Output is correct |
4 |
Correct |
8 ms |
352 KB |
Output is correct |
5 |
Correct |
5 ms |
332 KB |
Output is correct |
6 |
Execution timed out |
3067 ms |
1528 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
332 KB |
Output is correct |
2 |
Correct |
9 ms |
336 KB |
Output is correct |
3 |
Correct |
8 ms |
332 KB |
Output is correct |
4 |
Correct |
8 ms |
352 KB |
Output is correct |
5 |
Correct |
5 ms |
332 KB |
Output is correct |
6 |
Execution timed out |
3067 ms |
1528 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |