Cod sursa(job #1743054)

Utilizator stefanik_robertzRobert S stefanik_robertz Data 17 august 2016 15:06:38
Problema Loto Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.84 kb
#include <stdio.h>
int v[100],n,s,a[7],sum;
bool print,af;
void scan(){
    FILE *p;
    p=fopen("loto.in","r+");
    fscanf(p,"%i %i",&n,&s);
    for(int i=0;i<n;i++)
    {
        fscanf(p,"%i",&v[i]);
    }
    fclose(p);
}
void cout(){
    FILE *p;
    p=fopen("loto.out","w+");
    if(print&&!af){
        af=true;
        for(int i=1;i<7;i++)
        {
            fprintf(p,"%i ",a[i]);
        }
    }else{
        if(!af)fprintf(p,"-1");
        return;
    }
}
void bk(int k){
    if(k<=6&&!print){
        for(int i=0;i<n;i++){
            a[k]=v[i];
            sum+=v[i];
            if(sum<=s){
                if(k==6&&sum==s){print=true;cout();}
                else bk(k+1);
            }
            sum-=v[i];
        }
    }
}
int main()
{
    scan();
    bk(1);
    cout();
    return 0;
}