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답안 #184103

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
184103 2020-01-10T14:14:18 Z Zelja Savrsen (COCI17_savrsen) C++14
120 / 120
 2069 ms 78752 KB 
#include <bits/stdc++.h>

using namespace std;
long long d[10000018],r;
int A,B;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> A >> B;

    for(int i = 1; i <= B; i++){
        for(int j = 2*i; j <= B; j+=i)
            d[j] += i;
    }

    for(int i = A; i <= B; i++){
        r += abs(i - d[i]);
    }
    cout << r;
    return 0;
}

Subtask #1
120.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 508 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 6 ms 1144 KB Output is correct
4 Correct 1994 ms 78656 KB Output is correct
5 Correct 2025 ms 78712 KB Output is correct
6 Correct 2069 ms 78752 KB Output is correct
7 Correct 1793 ms 72568 KB Output is correct
8 Correct 305 ms 20344 KB Output is correct