Cod sursa(job #1020992)
Utilizator | Data | 2 noiembrie 2013 22:39:04 | |
---|---|---|---|
Problema | Jocul Flip | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.75 kb |
#include <fstream>
using namespace std;
int i, j, n, m, sum, a[20][20], x[20];
ifstream fin("flip.in");
ofstream fout("flip.out");
int suma()
{
int i, j, s, s1=0;
for(i=1;i<=m;i++)
{
s=0;
for(j=1;j<=n;j++)
s+=(a[j][i]*x[j]);
if(s<0)
s=s*-1;
s1+=s;
}
return s1;
}
void back(int k)
{
int i, ss;
if(k==n+1)
{
ss=suma();
if(sum<ss)
sum=ss;
}
else
for(i=-1;i<=1;i+=2)
{
x[k]=i;
back(k+1);
}
}
int main()
{
fin>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
fin>>a[i][j];
back(1);
fout<<sum;
return 0;
}