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Cod sursa(job #59275)
#include<fstream.h>
long n, m;
int v[100002];
long liber()
{
long max=0, l, i;
l=0;
i=1;
for (i=1; i<=n; i++)
{
if (v[i]==0) l++;
else
{
if (l>max) max=l;
l=0;
}
}
if (l>max) max=l;
return max;
}
int main()
{
long i, j, p, nr;
int val;
ifstream in("hotel.in");
ofstream out("hotel.out");
in>>n>>m;
for (i=1; i<=m; i++)
{
in>>val;
if (val==3) { nr=liber(); out<<nr<<'\n'; }
if (val==2)
{
in>>p>>nr;
for (j=p; j<=p+nr-1; j++)
v[j]=0;
}
if (val==1)
{
in>>p>>nr;
for (j=p; j<=p+nr-1; j++)
v[j]=1;
}
}
return 0;
}