Cod sursa(job #253461)

Utilizator ConsstantinTabacu Raul Consstantin Data 5 februarie 2009 20:14:04
Problema Loto Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.16 kb
#include<stdio.h>
#include<algorithm>
using namespace std;
struct sume{unsigned long long int s,a,b,c;} v[1100000];
unsigned long long int x[105],m,k,d;
int i,j,l,n,p,q,mij ;

int cmp(sume a,sume b)
       {return a.s<b.s;}
int main(){
FILE *f=fopen("loto.in","r");
fscanf(f,"%d %lld",&n,&m);
for(i=1;i<=n;i++)
        fscanf(f,"%lld",&x[i]);
fclose(f);

for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
                for(l=1;l<=n;l++)
                        {v[++k].s=x[i]+x[j]+x[l];
                        v[k].a=x[i];
                        v[k].b=x[j];
                        v[k].c=x[l];

                        }

sort(v+1,v+1+k,cmp);

FILE *g=fopen("loto.out","w");
for(i=1;i<=k&&v[i].s<=m/2;i++)
        {d=m-v[i].s;
         p=i;q=k;
         while(p<=q)
                {mij=(p+q)>>1;
                if(v[mij].s==d)
         {fprintf(g,"%lld %lld %lld %lld %lld %lld",v[i].a,v[i].b,v[i].c,v[mij].a,v[mij].b,v[mij].c);
       fclose(g);
       return 0;}
       else
       if(v[mij].s>d)
                q=mij-1;
      else
                p=mij+1;
                
        }
    }
fprintf(g,"%d",-1);
fclose(g);
return 0;}