Submission #884443

#	Time	Username	Problem	Language	Result	Execution time	Memory
884443		gutzzy	Savrsen (COCI17_savrsen)	C++14	0 / 120	3085 ms	39716 KiB

savrsen

#include <bits/stdc++.h>
using namespace std;

int main(){
    int a,b;
    cin >> a >> b;
    long long ans = 0;
    
    vector<int> d(b-1);
    for(int i=0;i<b-1;i++){
        d[i] = a%(i+1);
    }
    
    int s = 0;
    for(int i=a;i<=b;i++){
        s+=i;
        if(i!=1){
            for(int j=0;j<i-1;j++){
                if(d[j]==0) ans += j+1;
            }
        }
        for(int k=0;k<b-1;k++){
            d[k] = (d[k]+1)%(k+1);
        }
    }
    
    cout << abs(s-ans) << endl;
    
}

• Subtask 1: 0 / 120