#include <stdio.h>
int main(void) {
int arr[7]={8,5,8,7,9,5,7};
for(int i=0;i<7;i++){
for(int j=i+1;j<7;j++){
if(arr[i]!=arr[j]){
printf("%d is unique",arr
[i
]); break;
}
}
}
return 0;
}
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