Cod sursa(job #181766)
Utilizator | Data | 18 aprilie 2008 21:54:28 | |
---|---|---|---|
Problema | Stergeri | Scor | 90 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include<fstream.h>
long long k,n,i,m;
struct sir {long x,y;};
sir v[100001];
int main()
{
ifstream f("stergeri.in");
ofstream g("stergeri.out");
f>>n>>m>>k;
for(i=1;i<=m;i++)
f>>v[i].x>>v[i].y;
for(i=m;i>=1;i--)
if(v[i].x<k) k=k+v[i].y-v[i].x+1;
g<<k;
f.close();
g.close();
return 0;
}