Cod sursa(job #125180)
Utilizator | Mihai-Alexandru Dusmanu dushmi | Data | 20 ianuarie 2008 11:54:00 |
---|---|---|---|
Problema | Stergeri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | preONI 2008, Runda 3, Clasele 5-8 | Marime | 0.52 kb |
#include<stdio.h>
long n,m,k,li,ls,i,j,elim,s;
char f[2000000001];
int main()
{
freopen("stergeri.in","r",stdin);
freopen("stergeri.out","w",stdout);
scanf("%ld%ld%ld",&n,&m,&k);
for(i=1;i<=n;i++)
f[i]=1;
for(i=1;i<=m;i++)
{
scanf("%ld%ld",&li,&ls);
if(f[li]==1)
for(j=li;j<=ls+elim;j++)
f[j]=0;
else
for(j=li+elim;j<=ls+elim;j++)
f[j]=0;
elim+=ls-li+1;
}
for(i=1;i<=n;i++)
{
if(f[i]==1)
s++;
if(s==k)
{
printf("%ld",i);
break;
}
}
return 0;
}