Any questions do not hesitate to contact.
#include <bits/stdc++.h>
#define INF 0x3F3F3F3F
using namespace std;
int main() {
int n,m;
while (scanf("%d%d", &n,&m)==2) {
int a,b,aux;
map<pair<int,int>,int> M;
map<int,int> Ma;
for(int i=0; i<n;i++)
{
cin>>aux; Ma[aux]++; M[make_pair(aux,Ma[aux])]=i+1;
}
for(int i=0; i<m;i++)
{
cin>>a>>b; cout<<M[make_pair(b,a)]<<'\n';
}
}
return 0;
}
Keep in touch with Isaac Lozano Osorio!