Cod sursa(job #1248750)

Utilizator buzu.tudor67Tudor Buzu buzu.tudor67 Data 25 octombrie 2014 22:00:18
Problema Ghiozdan Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.39 kb
#include<cstdio>
#include<cstdlib>
#include<cassert>
 
FILE *fi,*fo;
 
const int MAX_N = 20004;
const int MAX_G = 75004;
const int INF = 123456;
 
bool este[MAX_G];
int last[MAX_G];
int nr[MAX_G];
int nr_ob[205];
int sol,x,G;
int i,j,k,N;
int suma_actuala;
 
int main(){
    assert( freopen("ghiozdan.in","r",stdin) != NULL );
    assert( freopen("ghiozdan.out","w",stdout) != NULL );
     
    assert( scanf("%d%d\n", &N, &G) == 2 );
    for(i=1;i<=N;i++){ 
                      assert( scanf("%d", &x) == 1); 
                      nr_ob[x]++; 
                     }
     
    for(j=1;j<=G;j++) nr[j]=INF;
    este[0]=1;
    last[0]=0;
    nr[0]=0;
     
    for(i=200;i>0;--i)
    if(nr_ob[i]>0)
       for(j=G-i;j>=0;j--)
       if(este[j])
          for(k=1;k<=nr_ob[i] && j+i*k<=G && nr[j]+k<nr[j+i*k];k++)
          { 
            suma_actuala=j+i*k;
            este[suma_actuala]=1;
            last[suma_actuala]=i;
            nr[suma_actuala]=nr[j]+k;
            if(suma_actuala>sol) sol=suma_actuala;
          }
    
    assert( printf("%d %d\n", sol, nr[sol]) > 0 );
     
    for(j=sol;j>=0;--j)
      if(nr[j]+1==nr[sol] && nr_ob[sol-j])
        {
         --nr_ob[sol-j];
         assert( printf("%d\n", sol-j) > 0 );
         sol=j;
        } 
     
    assert( fclose(stdin) != EOF );
    assert( fclose(stdout) != EOF );
    return 0;
}