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  1.  
  2. int divisor(int a, int b){
  3.     int gcd = 1;
  4.         for (int i = 1; i <= a && i <= b; i++) {
  5.             if (a % i == 0 && b % i == 0) {
  6.                 gcd = i;
  7.             }
  8.         }
  9.         if(gcd <= 1){
  10.             return 1;
  11.         } 
  12.         else{
  13.             return 0;
  14.         }
  15.  
  16. }
  17.  
  18. int check(int *array, int length){
  19.     for (int i = 0; i < length - 1; i++) {
  20.             if (array[i] > array[i + 1] && divisor(array[i], array[i + 1])==1) {
  21.                 return i;
  22.             }
  23.         }
  24. }
  25.  
  26. void main(){
  27.     int noOfCities;
  28.     printf("Enter the no. of cities : ");
  29.     scanf("%d",&noOfCities);
  30.     int  percentage[noOfCities];
  31.     printf("Enter the percentage of zombies");
  32.     for(int i =0; i<noOfCities;i++){
  33.         scanf("%d",&percentage[i]);
  34.     }
  35.     printf("favarouble city index: %d",check(percentage,noOfCities));    
  36. }
Success #stdin #stdout 0s 5548KB
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Standard input is empty
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Enter the no. of cities : Enter the percentage of zombiesfavarouble city index: 4313
https://ideone.com/XKPjDi
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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