eolymp
bolt
Try our new interface for solving problems
published at 1/17/24, 2:38:05 pm

include<iostream>

using namespace std; int main(){

int n,i,j,b=0,c=0,d=0;
cin>>n;
int a [n];
for ( i=1;i<=n;i++){ 
    cin>>a[i];
}
for (i=1;i<=n;i++){
    for (j=1;j<=n;j++){
        if (a[j]==a[i]){
            b++;
        }
    }
    if (b>1){
        for (j=1;j<=i;j++){

            if(a[i]==a[j]) {
                d++;
            }
        }
    if(d==1) {
        cout<<a[i]<<' ';
    }
        c++;
    }
    d=0;
    b=0;
    }
    if(c<1){
cout<<"NO";

} return 0; } //TECHNOBLADE NEVER DIE