#include <iostream>
#include <vector>
using namespace std;
int gcd (int a,int b) {
if (!b) return a;
return gcd (b, a%b);
}
int main() {
int n, q;
cin >> n >> q;
vector<int> v (n+1);
while (q--) {
char t;
cin >> t;
if (t == 'C') {
int x, y;
cin >> x >> y;
bool ok = false;
for (int i = x;i <= y; ++i) {
for (int j = i+1; j<=y;++j){
if (v[i]&&v[j]&&gcd (i, j) > 1) ok = true;
}
}
if (ok) cout << "DA\n";
else cout << "NE\n";
} else {
int x;
cin >> x;
v[x] = 1-v[x];
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 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 |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
300 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1577 ms |
724 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
300 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 |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
300 KB |
Output is correct |
8 |
Execution timed out |
1577 ms |
724 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |