Submission #1195292

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Source Code Expand

#include<stdio.h>
#include<stdlib.h>
int a[1000000];
int n;
int comp(const void *a,const void *b){
    return *(int*)b - *(int*)a;
}
int main(void){
    int i,sum_cnt;
    double sum;
    scanf("%d",&n);
    for(i=0;i<n*3;i++){
        scanf("%d",&a[i]);
    }
    qsort(a,3*n,sizeof(int),comp);
    sum=0;
    sum_cnt=0;
    i=1;
    while(1){
        sum+=(double)a[i];
        sum_cnt++;
        if(sum_cnt==n){
            break;
        }
        i++;
    }
    printf("%.0lf\n",sum);
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ^
./Main.c:13:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[i]);
         ^

Judge Result