Cod sursa(job #1850795)

Utilizator CodrinsahCotarlan Codrin Codrinsah Data 18 ianuarie 2017 22:11:11
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.91 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fi ("loto.in");
ofstream fo ("loto.out");
int a[106],v[1000006],n,s,i,j,k,x,y,st,dr;
bool ok;
void afisare(int nr)
{
  for (i=1;i<=n;i++)
    for(j=1;j<=n;j++)
      for(k=1;k<=n;k++)
  if (a[i]+a[j]+a[k]==nr) {fo<<a[i]<<' '<<a[j]<<' '<<a[k]<<' ';return;}
}
int main()
{
    fi>>n>>s;
    for (i=1;i<=n;i++) fi>>a[i];
    for (i=1;i<=n;i++)
      for (j=1;j<=n;j++)
        for (k=1;k<=n;k++)
    {
      x++;
      v[x]=a[i]+a[j]+a[k];
    }
    sort (v+1,v+x+1);
    for (i=1;i<=x;i++)
    {
      if (v[i]!=v[y])
      {
        y++;v[y]=v[i];
      }
    }
    x=y;
    sort (v+1,v+x+1);
    ok=false;st=1;dr=x;
    while (!ok and st<=dr)
    {
      if (v[st]+v[dr]>s) dr--;
      else if (v[st]+v[dr]<s) st++;
      else ok=true;
    }
    if (!ok) fo<<-1;
    else{afisare(v[st]);afisare(v[dr]);}
    return 0;
}