#include<iostream>
#include<map>
using namespace std;
main()
{
int n,i,j,f,r,c;
cin>>n;
int a[n+1],s[n+1][n+1];
bool b[n+1]={0};
map <int,int> h;
for(i=1;i<=n;i++)
{
cin>>a[i];
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#include<iostream>
#include<map>
using namespace std;
main()
{
int n,i,j,f,r,c;
cin>>n;
int a[n+1],s[n+1][n+1];
bool b[n+1]={0};
map <int,int> h;
for(i=1;i<=n;i++)
{
cin>>a[i];