#include <iostream>
using namespace std;
int main() {
// your code goes here
int a[5]={2,4,7,1,5};
int b[3]={5,4,2};
int count=0;
for(int i=0;i<5;i++){
for(int j=0;j<3;j++){
if(b[j]==a[i]){
count++;
}
}
}
if(count==3){
cout<<"There exits a subset";
}
else{
cout<<"there does not exit a subset";
}
return 0;
}
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