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Cod sursa(job #306873)
//Jocul Flip.
#include<iostream.h>
#include<conio.h>
int main()
{
clrscr();
int N,M,a[16][16],i,j,s=0,smax=0,s1,s2;
cin>>N>>M;
for(i=1;i<=N;i++)
for(j=1;j<=M;j++)
{
cin>>a[i][j];
s=s+a[i][j];
}
if(s>smax) smax=s;
for(i=1;i<=N;i++)
{
s1=s2=0;
for(j=1;j<=M;j++)
{
s1=a[i][j]+s1;
a[i][j]=a[i][j]*(-1);
s2=a[i][j]+s2;
}
s=s-s1+s2;
if(s>smax) smax=s;
}
for(j=1;j<=M;j++)
{
s1=s2=0;
for(i=1;i<=N;i++)
{
s1=a[i][j]+s1;
a[i][j]=a[i][j]*(-1);
s2=a[i][j]+s2;
}
s=s-s1+s2;
if(s>smax) smax=s;
}
cout<<smax;
getch();
return 0;
}