Submission #153848

#	Time	Username	Problem	Language	Result	Execution time	Memory
153848		Ruxandra985	Akcija (COCI15_akcija)	C++14	80 / 80	23 ms	1272 KiB

akcija

#include <cstdio>
#include <algorithm>
#include <set>
using namespace std;
int v[100010];
int main()
{
    FILE *fin = stdin;
    FILE *fout = stdout;
    int n,i;
    long long sol = 0;
    fscanf (fin,"%d",&n);
    for (i=1;i<=n;i++)
        fscanf(fin,"%d",&v[i]);
    sort ( v + 1 , v + n + 1);
    for (i=n;i>0;i-=3){
        if (i - 2>0)
            sol = sol + v[i] + v[i-1];
        else{
            sol = sol + v[i];
            if (i-1>0)
                sol = sol + v[i-1];
        }
    }
    fprintf (fout,"%lld",sol);
    return 0;
}

Compilation message (stderr)

akcija.cpp: In function 'int main()':
akcija.cpp:12:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     fscanf (fin,"%d",&n);
     ~~~~~~~^~~~~~~~~~~~~
akcija.cpp:14:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf(fin,"%d",&v[i]);
         ~~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 80 / 80