#include<bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n,q,a,b,t;
cin >> n >> q;
vector<int> haha(n+1,1);
for(int i = 1; i <= n; i++) {
cin >> haha[i];
haha[i] = haha[i-1]*((haha[i]+haha[i-1]-1)/haha[i-1]);
}
for(int i = 0; i < q; i++) {
cin >> t >> a >> b;
int c = a,ans = 0;
if(t >= c) {
int l = 0,r = haha.size()-1;
while(l < r) {
int mid = (l+r+1)/2;
if(-mid+haha[mid]*(t/haha[mid]) >= c) {
l = mid;
}
else {
r = mid-1;
}
}
ans+=l+1;
}
c = b+1;
if(t >= c) {
int l = 0,r = haha.size()-1;
while(l < r) {
int mid = (l+r+1)/2;
if(-mid+haha[mid]*(t/haha[mid]) >= c) {
l = mid;
}
else {
r = mid-1;
}
}
ans-=l+1;
}
cout << ans << "\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
335 ms |
20748 KB |
Output is correct |
2 |
Correct |
316 ms |
20700 KB |
Output is correct |
3 |
Correct |
307 ms |
20816 KB |
Output is correct |
4 |
Correct |
308 ms |
20816 KB |
Output is correct |
5 |
Correct |
309 ms |
20820 KB |
Output is correct |
6 |
Correct |
282 ms |
20816 KB |
Output is correct |
# |
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 |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
335 ms |
20748 KB |
Output is correct |
2 |
Correct |
316 ms |
20700 KB |
Output is correct |
3 |
Correct |
307 ms |
20816 KB |
Output is correct |
4 |
Correct |
308 ms |
20816 KB |
Output is correct |
5 |
Correct |
309 ms |
20820 KB |
Output is correct |
6 |
Correct |
282 ms |
20816 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
472 KB |
Output is correct |
13 |
Runtime error |
4 ms |
4696 KB |
Execution killed with signal 8 |
14 |
Halted |
0 ms |
0 KB |
- |