#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define p_q priority_queue
#define endl '\n'
#define pb push_back
signed main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int n, q; cin>>n>>q;
vector<int> bl(n+1,0);
while(q--) {
char c; cin>>c;
if (c == 'S') {
int k; cin>>k;
bl[k] = !bl[k];
} else {
int cnt = 0;
int l, r; cin>>l>>r;
for (int i = l; i <= r; ++i) {
for (int j = i+1; j <= r; ++j) {
if (!bl[i] || !bl[j]) continue;
cnt += (__gcd(i,j) != 1);
}
}
if (cnt) cout<<"DA"<<endl;
else cout<<"NE"<<endl;
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1568 ms |
1108 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Execution timed out |
1568 ms |
1108 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |