Cod sursa(job #772462)

Utilizator PopdanDanielPopdan Daniel PopdanDaniel Data 29 iulie 2012 19:52:55
Problema Jocul Flip Scor 10
Compilator c Status done
Runda Arhiva de probleme Marime 1.59 kb
#include <stdio.h>
#include <stdlib.h>
#define NMAX 100;
int v[33],n,mat[17][17],sir[33],k,l,suma_max=0,suma_init=0;
void citire_mat()
    {
        scanf("%d %d",&k,&l);
        int i,j;
        for(i=1;i<=k;i++)
        for(j=1;j<=l;j++)
            {
            scanf("%d",&mat[i][j]);
            suma_max+=mat[i][j];
            }
        suma_init=suma_max;
        n=k+l;
    }
void suma()
    {
    int s,i,j;
    for(i=1;i<=k;i++)
        {
            s=0;
            for(j=1;j<=l;j++)
            s+=mat[i][j];
            sir[i]=s;
        }
    for(j=1;j<=l;j++)
        {
            s=0;
            for(i=1;i<=k;i++)
            s+=mat[i][j];
            sir[k+j]=s;
        }
    }
void init_vector()
    {
    int i;
    scanf("%d", &n);
    for(i=1;i<=n;i++)
    v[i]=0;
    }
void flip(int p)
    {
    int i,j,s=suma_init;
    for(j=1;j<=p;j++)
    {
    if(v[j]<=k)
    s=s-2*sir[v[j]];
    else
            {
                s=s-2*sir[v[j]];
                i=1;
                while(v[i]<=k)
                {
                    s=s-3*mat[v[i]][v[i]-k];
                    i++;
                }

            }

    }
    if(s>suma_max)
    suma_max=s;
    }
void back(int p)
    {
    int k;
    for(k=v[p-1]+1;k<=n;k++)
        {
        v[p]=k;
            flip (p);
            back(p+1);
        }
    }
int main()
    {
    freopen("flip.in", "r", stdin);
    freopen("flip.out", "w", stdout);
    citire_mat();
    suma();
    init_vector();
    back(1);
    printf("%d ", suma_max);
    return 0;
    }