Submission #384988

#	Time	Username	Problem	Language	Result	Execution time	Memory
384988		sabbirh654	Savrsen (COCI17_savrsen)	C++14	120 / 120	1298 ms	39532 KiB

savrsen

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

int main()
{
    int a, b;
    cin >> a >> b;
    b++;
    vector <int> v(b);
    for(int i = 1; i < b; i++)
    {
        int j = i + i;
        while(j < b)
        {
            v[j] += i;
            j += i;
        }
    }
    long long ans = 0;
    for(int i = a; i < b; i++)
        ans += abs(v[i] - i);
    cout << ans << endl;
}

• Subtask 1: 120 / 120