Submission #122341


Source Code Expand

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#include<stdio.h>
#include<stdlib.h>

int comp(const void *p1,const void *p2);

int main(void){
  int n,k,i;
  int *rate;
  double now=0;

  scanf("%d%d",&n,&k);
  rate=(int *)calloc(n,sizeof(int));
  for(i=0;i<n;i++) scanf("%d",&rate[i]);

  qsort(rate,n,sizeof(int),comp);
  
  for(i=n-k;i<n;i++){
    now=(now+rate[i])/2;
  }

  printf("%f\n",now);
  free(rate);
  return 0;
}
  
int comp(const void *p1,const void *p2){
  int d1,d2;
  d1=*((const int *)p1);
  d2=*((const int *)p2);

  return d1-d2;
}

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User cloxe365
Language C (GCC 4.6.4)
Score 100
Code Size 536 Byte
Status AC
Exec Time 20 ms
Memory 808 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:13:25: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 34
Set Name Test Cases
All 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 20 ms 804 KB
00_sample_02.txt AC 19 ms 704 KB
00_sample_03.txt AC 20 ms 804 KB
00_sample_04.txt AC 20 ms 708 KB
test_01.txt AC 19 ms 680 KB
test_02.txt AC 20 ms 800 KB
test_03.txt AC 19 ms 708 KB
test_04.txt AC 20 ms 712 KB
test_05.txt AC 20 ms 700 KB
test_06.txt AC 19 ms 708 KB
test_07.txt AC 20 ms 672 KB
test_08.txt AC 20 ms 712 KB
test_09.txt AC 19 ms 708 KB
test_10.txt AC 20 ms 672 KB
test_11.txt AC 19 ms 704 KB
test_12.txt AC 20 ms 680 KB
test_13.txt AC 20 ms 652 KB
test_14.txt AC 20 ms 800 KB
test_15.txt AC 19 ms 804 KB
test_16.txt AC 19 ms 676 KB
test_17.txt AC 19 ms 796 KB
test_18.txt AC 19 ms 708 KB
test_19.txt AC 20 ms 808 KB
test_20.txt AC 19 ms 708 KB
test_21.txt AC 19 ms 704 KB
test_22.txt AC 19 ms 700 KB
test_23.txt AC 19 ms 800 KB
test_24.txt AC 18 ms 704 KB
test_25.txt AC 19 ms 708 KB
test_26.txt AC 19 ms 680 KB
test_27.txt AC 19 ms 712 KB
test_28.txt AC 19 ms 704 KB
test_29.txt AC 19 ms 672 KB
test_30.txt AC 19 ms 704 KB