#include <bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast,unroll-loops")
using namespace std;
#define endl '\n'
#define ll long long
#define all(x) (x).begin(), (x).end()
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll a, b;
cin >> a >> b;
ll ans = 0;
for (ll i = a; i <= b; i++) {
ll sum = 0;
for (ll j = 1; j * j <= i; j++) {
if (i % j != 0) continue;
ll other = i / j;
if (j < i) sum += j;
if (j != other && other < i) sum += other;
}
ans += abs(i - sum);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
126 ms |
428 KB |
Output is correct |
4 |
Correct |
21 ms |
348 KB |
Output is correct |
5 |
Execution timed out |
3068 ms |
348 KB |
Time limit exceeded |
6 |
Execution timed out |
3063 ms |
348 KB |
Time limit exceeded |
7 |
Execution timed out |
3057 ms |
348 KB |
Time limit exceeded |
8 |
Execution timed out |
3021 ms |
348 KB |
Time limit exceeded |