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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int indi=0,n=1,max=0,i=0;
  5. 	//int arr[]={988,857,744,492,228,366,860,937,433,552,438,229,276,408,475};
  6. 	int arr[]={273};
  7.        while(i<n){
  8.              if(arr[i-1] && arr[i+1]){
  9.                if(arr[i]>arr[i+1] && arr[i]>arr[i-1]) {
  10.                    if(max<arr[i]){
  11.                     max=arr[i];
  12.                     indi=i;
  13.                    }
  14.                    i=i+2;
  15.                }else{
  16.                	i++;
  17.                } 
  18.              }else if(!arr[i+1] && !arr[i-1]){
  19.                  max=arr[i];
  20.                  indi=i;
  21.                  i++;
  22.              }else if(!arr[i-1]){
  23.                  if(arr[i]>arr[i+1]){
  24.                    if(max<arr[i]){
  25.                     max=arr[i];
  26.                     indi=i;
  27.                    } 
  28.                  }
  29.                  i++;
  30.              }else if(!arr[i+1]){
  31.                if(arr[i]>arr[i-1]){
  32.                    if(max<arr[i]){
  33.                     max=arr[i];
  34.                     indi=i;
  35.                    }
  36.                }  
  37.                i++;
  38.              }
  39.          }
  40.          if(max !=0){
  41.              printf("The peak number is %d",max);
  42.              printf("The index is %d",indi);
  43.          } else if(max = 0 && (sizeof(arr)/sizeof(arr[0]))==1){
  44.          	printf("The peak number is %d",max);
  45.          }else{
  46.          	printf("there is no %d peak numbers",indi);
  47.          }
  48. 	return 0;
  49. }
  50.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin
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Standard input is empty
stdout
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there is no 0 peak numbers
https://ideone.com/d2fx9d
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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