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Cod sursa(job #251890)
#include<fstream.h>
#include<math.h>
long long s,i,nr[4],a,b;
long long l;
long long min(long long a, long long b)
{
if (a<b) return a;
else return b;
}
int main()
{
ifstream f("plus.in");
f>>s;
for (i=1;i<=3;i++)
{
f>>a>>b;
nr[b+1]+=a;
}
f.close();
ofstream g("plus.out");
if (s==0)
{
if (nr[0]<nr[2]) l=nr[0];
else l=nr[2];
l=(min(nr[2],nr[0])+1)*(nr[1]+1);
}
else
{
int sw=0;
if ((s>0) && (nr[2]>=s)) {
nr[2]-=s;
s=0;
sw=1;
}
else if ((s<0) && (abs(s)<=nr[0])) {
nr[0]+=s;
s=0;
sw++;
}
if (sw) l=(min(nr[0],nr[2])+1)*(nr[1]+1);
}
g<<l;
g.close();
return 0;
}