#include<bits/stdc++.h>
using namespace std;
int main(){
#ifndef OJ
freopen("C:/Users/KIIT/CP/input.txt","r",stdin);
freopen("C:/Users/KIIT/CP/output.txt","w",stdout);
#endif
vector<int > ans;
map<int, int> mp;
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#include<bits/stdc++.h>
using namespace std;
int main(){
#ifndef OJ
freopen("C:/Users/KIIT/CP/input.txt","r",stdin);
freopen("C:/Users/KIIT/CP/output.txt","w",stdout);
#endif
vector<int > ans;
map<int, int> mp;