oj.uz

답안 #322378

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
322378 2020-11-14T14:36:12 Z fgojko Savrsen (COCI17_savrsen) C++14
30 / 120
 1336 ms 39532 KB 
#include <iostream>
#include <cmath>
#include <vector>

using namespace std;

int main()
{
    int a, b;
    cin >> a >> b;
    vector<int> vec(b+1, 1);
    vec[1] = 0;
    for(int i = 2; i <= b/2; ++i){
        for(int j = i*2; j <= b; j += i){
            vec[j] += i;
        }
    }
    int sum = 0;
    for(int i = a; i <= b; ++i){
        sum += abs(vec[i] - i);
    }
    cout << sum << endl;
    return 0;
}

Subtask #1
30.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Incorrect 3 ms 748 KB Output isn't correct
4 Incorrect 1310 ms 39512 KB Output isn't correct
5 Incorrect 1336 ms 39512 KB Output isn't correct
6 Incorrect 1314 ms 39532 KB Output isn't correct
7 Incorrect 1186 ms 36460 KB Output isn't correct
8 Incorrect 220 ms 10348 KB Output isn't correct