Next permutation

#1

#include
#include
using namespace std;

int main() {
int t;
cin >> t;
while(t–){
int n;
cin >> n;
int a[n];
for(int i=0; i<n; i++){
cin >> a[i];
}
next_permutation(a,a+n);
for(int i=0; i<n; i++){
cout << a[i];
}
}
return 0;
}
can u correct where i went wrong

#2

@karthik1989photos check the output for multiple cases give a new line at end

#3

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