Dəbli elementlər
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
include<stdio.h>
int main(){ int n, i, j, c, say, saygac; scanf("%d", &n); int x[n], y[n]; for(i=0;i<n;i++){ scanf("%d", &x[i]); y[i] = 101; } for(i=0;i<n;i++){ say = 0; for(j=0;j<n;j++){ if(x[i] == x[j]){ say++; } } saygac = 0; if(say>1){ for(c=0;c<n;c++){ if(x[i] == y[c]){ saygac++; } } if(saygac==0){ y[i] = x[i]; } } } say = 0; for(i=0;i<n;i++){ if(y[i]!=101){ say++; } } if(say>0){ for(i=0;i<n;i++){ if(y[i] != 101){ printf("%d ", y[i]); } } }else{ printf("NO"); }
return 0;
}