Submission #615929

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Source Code Expand

#include <iostream>
#include <vector>
#include <climits>
#include <string>
#include <sstream>
#include <list>
#include <cstdio>
#include <cstdlib>
#include <cmath>
typedef long long int ll;
#define rep(i,n) for(int i=0;i<(n);i++)

using namespace std;

int main(){
    ll n;
    cin >> n;
    ll arry[4] = {25, 2525, 252525, 25252525};
    ll cnt = 0;

    for(ll i = 25; i <= n; i += 25){
        for(int ia = 0; ia < 4; ia++){
            if(i % arry[ia] == 0){
                cnt++;
                break;
            }
        }
    }

    cout << cnt << endl;

    return 0;
}

Submission Info

Judge Result