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Cod sursa(job #729015)
#include<fstream>
#include<vector>
#define dim 2000001
using namespace std;
ifstream f("stergeri.in");
ofstream g("stergeri.out");
vector<int> a;
int n,m,i,j,k;
int x,y;
int main()
{
f>>n>>m>>k;
for(i=0;i<n;i++)
a.push_back(i+1);
for(i=0;i<m;i++)
{
f>>x>>y;
a.erase(a.begin()+(x-1),a.begin()+y);
}
for(i=0;i<a.size();i++)
if(i+1==k)
g<<a[i];
return 0;
}