제출 #151743

#제출 시각아이디문제언어결과실행 시간메모리
151743hdj79Turnir (COCI17_turnir)C++14
0 / 100
20 ms2208 KiB
#include<iostream>
#include<algorithm>
using namespace std;
int zbrojevi[10000000+5];
int main(){
    ios_base :: sync_with_stdio(false);
    cin.tie(NULL);
    int a,b;
    cin>>a>>b;
    for(int i=1;i<b+1;i++){
        for(int j=i+i;j<b+1;j+=i){
            zbrojevi[j]+=i;
        }
    }
    long long sol=0;
    for(int i=a;i<=b;i++){
        sol+=abs(i-zbrojevi[i]);
    }
    cout<<sol;
}
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