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Cod sursa(job #246119)
#include<fstream.h>
long n,m,k,i,x,y,v[2000000000],j,u;
ifstream f("stergeri.in");
ofstream g("stergeri.out");
int main()
{
f>>n>>m>>k;
for(i=1;i<=n;i++)
v[i]=i;
for(i=1;i<=m;i++)
{
f>>x>>y;
for(j=x;j<=y;j++)
v[j]=0;
u=1;
for(j=1;j<=n;j++)
if(v[j]!=0)
{
v[u]=v[j];
u++;
}
}
if(k<=u)
g<<v[k];
f.close();
g.close();
return 0;
}