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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. void swap(int *a, int *b){
  5.     int tmp;
  6.     tmp = *a;
  7.     *a = *b;
  8.     *b = tmp;
  9. }
  10. void BubbleSort(int a[], int n){
  11.     int i, j;
  12.     for(i = 0; i < n-1; i++){
  13.  
  14.         for(j = n-1; j > i; j--){
  15.  
  16.             if(a[j] > a[j-1]){
  17.                 swap(&a[j], &a[j-1]);
  18.             }
  19.  
  20.         }
  21.  
  22.     }
  23. }
  24.  
  25. int main(){
  26.  
  27.     int n,k,i;
  28.     int *a;
  29.     scanf("%d", &n);
  30.     a = (int *)malloc(sizeof(int) * n);
  31.     if(a == NULL){
  32.         printf("ERROR\n");
  33.         return -1;
  34.     }
  35.     for(i = 0; i < n; i++){
  36.         scanf("%d", &a[i]);
  37.     }
  38.     scanf("%d", &k);
  39.     BubbleSort(a, n);
  40.     printf("%d番目に大きい数 = %d\n", k, a[k-1]);
  41.     free(a);
  42.     return 0;
  43. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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7
32 31 67 98 23 1 3
3
stdout
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3番目に大きい数 = 32
https://ideone.com/wuuYux
language:
C (gcc 8.3)
created:
9 hours ago
visibility:
public

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