Cod sursa(job #2177010)
Utilizator | Piscu Stefan Constantin Stefan_Piscu | Data | 18 martie 2018 12:12:16 |
---|---|---|---|
Problema | Jocul Flip | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.84 kb |
#include<fstream>
using namespace std;
int n,m,s=0;
int a[17][17],b[17];
void BKT(int k)
{
k++;
if (k > m)
{
int t=0;
for(int i=1;i<=n;i++)
{
int l=0;
for(int j=1;j<=m;j++)
{
l += a[i][j]*b[j];
}
if(l<0)
l*=-1;
t+=l;
}
if(t>s)
s=t;
}
else
{
b[k]=1;
BKT(k);
b[k]=-1;
BKT(k);
}
}
int main()
{
ifstream fcin("flip.in");
ofstream fcout("flip.out");
fcin>>n>>m;
for(int i=1;i<=n;i++)
{
b[i]=1;
for(int j=1;j<=m;j++)
{
fcin>>a[i][j];
s += a[i][j];
}
}
BKT(0);
fcout<<s<<'\n';
return 0;
}