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답안 #173669

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
173669 2020-01-04T22:53:11 Z MladenP Savrsen (COCI17_savrsen) C++17
120 / 120
 1989 ms 78692 KB 
#include<bits/stdc++.h>
#define PRINT(x) cerr<<#x<<'='<<x<<endl;
#define NL(x) " \n"[(x)]
#define lld long long
#define pil pair<int,lld>
#define pli pair<lld,int>
#define pll pair<lld,lld>
#define pii pair<int,int>
#define pb push_back
#define fi first
#define se second
#define mid (l+r)/2
#define endl '\n'
#define all(a) begin(a),end(a)
#define sz(a) int((a).size())
#define LINF 1000000000000000LL
#define INF 1000000000
#define EPS 1e-9
using namespace std;
lld d[10000010];

int main() {
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);cerr.tie(0);
    int A, B; cin >> A >> B;
    lld rez = 0;
    for(int i = 1; i <= B; i++) {
        for(int j = 2*i; j <= B; j+=i) d[j] -= i;
        if(i >= A) rez += abs(i+d[i]);
    }
    cout << rez;
    return 0;
}

Subtask #1
120.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 352 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 6 ms 1144 KB Output is correct
4 Correct 1837 ms 78692 KB Output is correct
5 Correct 1989 ms 78664 KB Output is correct
6 Correct 1827 ms 78584 KB Output is correct
7 Correct 1631 ms 72568 KB Output is correct
8 Correct 210 ms 20344 KB Output is correct