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is my code is wrong?
#include<cstdio>
#include<cstring>
#include<map>
#include<vector>
using namespace std;
int main()
{
/* freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);*/
int test,y=1;
scanf("%d",&test);
while(test--)
{
int n;
map<int,int>stamp;
scanf("%d",&n);
vector ...