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Cod sursa(job #391794)
#include<iostream>
#include<fstream>
using namespace std;
int main(){
ifstream p("stramosi.in");
ofstream v("stramosi.out");
int a[100],i,j,n,m,x,y,b[100][2];
p>>n;
p>>m;
for(i=1;i<=n;i++)
p>>a[i];
for(i=1;i<=m;i++)
for(j=1;j<=2;j++)
p>>b[i][j];
for(i=1;i<=m;i++){
x=b[i][1];
y=b[i][2];
if((x-y+1)>=1 && (x-y+1)<=n)v<<a[x-y+1]<<endl;
else v<<"0"<<endl;
}
p.close();
v.close();
return 0;
}