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;
}

why is this code giving no answer?

#2

Please save your code on ide.codingblocks.com and then share its link.

#3

The server was down. I’ve done it thanks!

#4

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#5

could you please give me the solution to this question?
I wrote same code but didn’t pass the test cases.