답안 #238032

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
238032 2020-06-09T19:37:00 Z marlicu Savrsen (COCI17_savrsen) C++14
0 / 120
114 ms 504 KB
#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int a, b;
    cin >> a >> b;

    long long pozitivni = 0;
    long long negativni = 0;

    for (int i = 1; i <= b; i++) {
        if (i >= a) pozitivni += i;

        int k = (b - i) / i;
        negativni += (i * k);

        /*
        cout << i << " " << pozitivni << " ";
        cout << negativni << " " << k << " ";
        cout << (i * k) << '\n';
        */
    }

    //cout << ":::\n";

    for (int i = 1; i < a; i++) {
        int k = (a - 1 - i) / i;
        negativni -= (i * k);

        /*
        cout << i << " " << pozitivni << " ";
        cout << negativni << " " << k << " ";
        cout << (i * k) << '\n';
        */
    }

    cout << abs(pozitivni - negativni);

    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Incorrect 5 ms 384 KB Output isn't correct
4 Incorrect 114 ms 504 KB Output isn't correct
5 Incorrect 64 ms 384 KB Output isn't correct
6 Incorrect 58 ms 384 KB Output isn't correct
7 Incorrect 55 ms 384 KB Output isn't correct
8 Incorrect 18 ms 384 KB Output isn't correct