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- #include <iostream>
- #include <cstdio>
- #include <vector>
- #include <string>
- #include <map>
- #define pb push_back
- using namespace std;
- int main(){
- int n, m;
- while(scanf("%d %d", &n, &m)==2){
- int x;
- vector<vector<int>> grafo;
- grafo.resize(1000010);
- for(int i=0;i<n;i++){
- scanf("%d", &x);
- grafo[x].pb(i+1);
- }
- int k, v;
- for(int i=0;i<m;i++){
- scanf("%d %d", &k, &v);
- if(k<=grafo[v].size()){
- printf("%d\n", grafo[v][k-1]);
- }else printf("0\n");
- }
- }
- }
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