답안 #695186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
695186 2023-02-04T19:12:14 Z TAhmed33 Savrsen (COCI17_savrsen) C++
120 / 120
1189 ms 78668 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long 
#define endl '\n'
const int MOD = 1e9 + 7;
int divs[10000001] = {};

signed main () {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	for (int i = 1; i <= 1e7; i++) {
		for (int j = 2 * i; j <= 1e7; j += i) {
			divs[j] += i;
		}
	}
	int a, b;
	cin >> a >> b;
	int sum = 0;
	for (int i = a; i <= b; i++) sum += abs(i - divs[i]);
		cout << sum << endl;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1177 ms 78656 KB Output is correct
2 Correct 1147 ms 78576 KB Output is correct
3 Correct 1189 ms 78668 KB Output is correct
4 Correct 1154 ms 78576 KB Output is correct
5 Correct 1186 ms 78576 KB Output is correct
6 Correct 1150 ms 78664 KB Output is correct
7 Correct 1158 ms 78592 KB Output is correct
8 Correct 1162 ms 78580 KB Output is correct