#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()
const int INF=9e18;
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n,q;cin>>n>>q;
vector<int> a(n);
for(int i=0;i<n;i++){
char c;cin>>c;
a[i]=c-'0'-1;
}
vector<int> ans(n);
for(int i=1;i<=q;i++){
string s;cin>>s;
if(s=="query"){
int x,y;cin>>x>>y;x--;y--;
if(a[x]==-1){
cout<<ans[x]<<endl;
}
else{
cout<<ans[x]+i-a[x]<<endl;
}
}
else{
int p;cin>>p;p--;
if(a[p]==-1){
a[p]=i;
}
else{
ans[p]+=i-a[p];
a[p]=-1;
}
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
269 ms |
4416 KB |
Output is correct |
2 |
Correct |
304 ms |
4696 KB |
Output is correct |
3 |
Correct |
266 ms |
5308 KB |
Output is correct |
4 |
Correct |
317 ms |
10828 KB |
Output is correct |
5 |
Correct |
415 ms |
11332 KB |
Output is correct |
6 |
Correct |
277 ms |
10576 KB |
Output is correct |
7 |
Correct |
564 ms |
11544 KB |
Output is correct |
8 |
Correct |
483 ms |
12964 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |