#pragma GCC optimize("unroll-loops,Ofast,O3")
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define spc << " " <<
#define endl "\n"
#define all(x) x.begin(), x.end()
#define int long long
#define ii pair<long long,int>
#define vi vector<int>
#define vii vector<ii>
#define st first
#define nd second
#define inf 1e15
#define MOD 1000000007
#define MX 200005
using namespace std;
void solve(){
int n,q; cin >> n >> q;
if(n>100 || q>100) return;
string s; cin >> s;
int arr[q+1][n+1];
for(int i=1; i<=n; i++){
if(s[i-1]=='0') arr[1][i]=0;
else arr[1][i]=1;
}
for(int i=1; i<=q; i++){
string h; cin >> h;
if(i<q) for(int j=1; j<=n; j++) arr[i+1][j]=arr[i][j];
if(h[0]=='t'){
int a; cin >> a;
arr[i+1][a]=1-arr[i+1][a];
}
else{
int l,r; cin >> l >> r;
int ans=0;
for(int j=1; j<=i; j++){
int ok=1;
for(int f=l; f<r; f++){
if(!arr[j][f]){
ok=0;
break;
}
}
if(ok){
ans++;
}
}
cout << ans << endl;
}
}
}
signed main(){
ios_base::sync_with_stdio(false);cin.tie(0);
#ifdef Local
freopen("in","r",stdin);
freopen("out","w",stdout);
#endif
/*freopen("nondec.in","r",stdin);
freopen("nondec.out","w",stdout);*/
int t=1;
//cin >> t;
while(t--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
8 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |