Question

Propose an algorithm in C to match numbers / tokens (words) from one array to another array and pull out the matching numbers.

Answer 1

CODE: C Programming Language

#include<stdio.h>
void printMatching(int arr1[],int n1,int arr2[],int n2){
   int i,j;
   for(i=0;i<n1;i++){
       for(j=0;j<n2;j++){
           if(arr2[j]==arr1[i]){
               printf("%d ",arr1[i]);
               break;
           }
       }
   }
}
int main(){
   int arr1[]= {10,20,30,40,50};
   int arr2[]= {10,30,40,60,70};
   int n1 = sizeof(arr1)/sizeof(arr1[0]);
   int n2 = sizeof(arr2)/sizeof(arr2[0]);
   printMatching(arr1,n1,arr2,n2);
   return 0;
}

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SCREENSHOT OF THE CODE:

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OUTPUT:

Thank you. Please ask me if you have any doubt.