Submission #824122

#	Time	Username	Problem	Language	Result	Execution time	Memory
824122		ajay	Savrsen (COCI17_savrsen)	C++14	30 / 120	3084 ms	212 KiB

savrsen

/* Ajay Jadhav */

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <deque>
#include <vector>
#include <cstdlib>
#include <iomanip>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <stack>
#include <ctime>
#include <string.h>
#include <climits>
#include <cstring>
using namespace std;

#define ll long long
#define pb push_back
#define pii pair<int, int>
#define vi vector<int>
#define vii vector<pii>
#define mi map<int, int>
#define mii map<pii, int>
#define all(a) (a).begin(), (a).end()
#define x first
#define y second
#define sz(x) (int)x.size()
#define hell 1000000007
#define rep(i, a, b) for (int i = a; i < b; i++)
#define endl '\n'

int f(int n)
{
    int sum = n;
    for (ll i = 1; i <= n / 2; i++)
    {
        if (n % i == 0)
        {
            sum -= i;
        }
    }
    return abs(sum);
}

void solve()
{
    int a, b;
    cin >> a >> b;
    ll ans = 0;
    rep(i, a, b + 1)
    {
        ans += f(i);
    }
    cout << ans << endl;
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin>>t;
    while (t--)
    {
        solve();
    }
    return 0;
}

• Subtask 1: 30 / 120