1 #include <cstdio> 2 #include <map> 3 #include <vector> 4 using namespace std; 5 map<int,vector<int>> ma; 6 int main() 7 { 8     int n,m,x,k,v,num; 9     while(scanf("%d%d",&n,&m)==2){10         ma.clear();11         for(int i=1;i<=n;i++){12             scanf("%d",&x);13             ma[x].push_back(i);14         }15         for(int i=0;i<m;i++){16             scanf("%d%d",&k,&v);17             if(ma[v].size()<k) puts("0");18             else printf("%d\n",ma[v][k-1]);19         }20     }21 }