Cod sursa(job #20539)
Utilizator | Bugnaru Gelu gangstacorny | Data | 21 februarie 2007 18:43:48 |
---|---|---|---|
Problema | Jocul Flip | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.5 kb |
#include<stdio.h>
#define dim 101
long n,m,a[dim][dim],smax;
long i,j,k,s,t;
int main()
{
freopen("flip.in","r",stdin);
freopen("flip.out","w",stdout);
scanf("%lu %lu",&n ,&m);
for(i=0;i<n;i++)
for(j=0;j<m;j++)
scanf("%llu", a[i]+j);
for(i=0;i<(1<<m);i++)
{
s=0;
for(k=0;k<n;k++)
{
for(t=j=0;j<m;j++)
if(i&(1<<j))
t+=-a[k][j];
else
t+=a[k][j];
s+=t<-t ? -t : t;
}
if(smax<s)
smax=s;
}
printf("%lu",smax);
return 0;
}