Submission #974199

#	Time	Username	Problem	Language	Result	Execution time	Memory
974199		sleepntsheep	Akcija (COCI15_akcija)	C11	80 / 80	8 ms	860 KiB

akcija

#include<stdio.h>
#define N 100000

int n, a[N+1], b[N], o;
long long z;

int main()
{
    scanf("%d",&n);
    for(int x,i=0;i<n;++i)scanf("%d",&x),++a[x];
    for(int i=1;i<=100000;++i)while(a[i])--a[i],b[o++]=i;
    while(o>=3)z+=b[o-1]+b[o-2],o-=3;
    if(o>=2)z+=b[1];
    if(o>=1)z+=b[0];
    printf("%lld\n",z);
}

Compilation message (stderr)

akcija.c: In function 'main':
akcija.c:9:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~
akcija.c:10:27: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     for(int x,i=0;i<n;++i)scanf("%d",&x),++a[x];
      |                           ^~~~~~~~~~~~~~

• Subtask 1: 80 / 80