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  1. #include <stdio.h>
  2.  
  3. int reverse(int a[ ], int n);
  4.  
  5. int main(void) {
  6.     int n,i;
  7.      if (scanf("%d", &n) != 1) return 0;
  8.     int a[n];
  9.     for(i=0; i<n; i++) {
  10.         scanf("%d",&a[i]);
  11.     }
  12.     reverse(a, n);
  13.  
  14.     for (i=0; i<n; i++) {
  15.         printf("%d", a[i]);
  16.     }
  17.     printf("\n");
  18.  
  19.     return 0;
  20. }       
  21.  
  22. int reverse(int a[ ], int n) {
  23.     int i,temp;
  24.  
  25.     for (i=0; i<n/2; i++) {
  26.         temp=a[i];
  27.         a[i]=a[n-1-i];
  28.         a[n-1-i]=temp;
  29.  
  30.     }
  31. }
  32.  
Success #stdin #stdout 0s 5320KB
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stdin
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6 1 2 3 4 5 6
stdout
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654321
https://ideone.com/wGA3fk
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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