poj 2867 Where Are My Genes

#include <iostream>#include <vector>using namespace std;int main() {int n, p=1;while (cin>>n , n) {vector < pair<int , int> > v;cout<<"Genome "<<p<<endl;int r;cin>>r;while (r--) {int x,y;cin>>x>>y;v.push_back(make_pair(x,y));}int q;cin>>q;while (q--) {int x;cin>>x;int pos = x;for (int i=0;i<v.size();i++)if (pos<=v[i].second && pos>=v[i].first)pos = v[i].first + v[i].second - pos;cout<<pos<<endl;}p++;}return 0;}