Submission #320325

#	Time	Username	Problem	Language	Result	Execution time	Memory
320325		rzbt	Savrsen (COCI17_savrsen)	C++14	120 / 120	1313 ms	39532 KiB

savrsen

#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define MAXN 10000005
typedef long long ll;

int eratosten[MAXN];
int zbir[MAXN];

using namespace std;

int a,b;

int main()
{
    scanf("%d %d", &a, &b);
    for(int i=1;i<MAXN;i++){
        for(int j=i+i;j<MAXN;j+=i){
            zbir[j]+=i;
        }
    }
    ll res=0;

    for(;a<=b;a++){


        res+=abs(a-zbir[a]);
    }
    printf("%lld",res);

    return 0;
}

Compilation message (stderr)

savrsen.cpp: In function 'int main()':
savrsen.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |     scanf("%d %d", &a, &b);
      |     ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 120 / 120