#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define N 110
#define ii pair<int,int>
#define fs first
#define sc second
#define ld double
int a[N][N],n,q;
bool check(int t,int l,int r)
{
for(int i=l;i<=r;i++)
if(a[i][t]==0)
{
// cout<<l<<" "<<r<<" "<<t<<endl;
return 0;
}
return 1;
}
int main()
{
#ifdef SKY
freopen("A.inp","r",stdin);
freopen("A.out","w",stdout);
#endif // SKY
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>q;
for(int i=1;i<=n;i++)
{
char ch;
cin>>ch;
a[i][0]=ch-'0';
}
for(int t=1;t<=q;t++)
{
for(int i=1;i<=n;i++)
a[i][t]=a[i][t-1];
string type;
cin>>type;
if(type=="toggle")
{
int vt;
cin>>vt;
a[vt][t]^=1;
}else
{
int l,r,res=0;
cin>>l>>r;
r--;
for(int i=0;i<t;i++)
if(check(i,l,r))
res++;
cout<<res<<endl;
}
// for(int i=1;i<=n;i++)cout<<a[i][t]<<" ";cout<<endl;
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
596 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
2 ms |
720 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Runtime error |
3 ms |
596 KB |
Execution killed with signal 11 |
9 |
Halted |
0 ms |
0 KB |
- |