Cod sursa(job #1438177)

Utilizator ialexia_ioanaAlexia Ichim ialexia_ioana Data 19 mai 2015 10:41:23
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.18 kb
#include <cstdio>
#include <algorithm>

using namespace std;

int st,dr;
struct val
{
    int a1,a2,a3,a123;
};
bool cmp(val x, val y)
{
    return x.a123<y.a123;
}
val sol[1000001];
int v[101];
void bs(int s)
{
    st=1;
    while(st<=dr)
    {
        if(sol[st].a123+sol[dr].a123==s)
            break;
        else
        {
            if(sol[st].a123+sol[dr].a123>s)
                dr--;
            else
                st++;
        }
    }
}
int main()
{
    freopen("loto.in", "r",stdin);
    freopen("loto.out", "w",stdout);
    int n,s,i,x=0,k,j;
    scanf("%d%d", &n, &s);
    for(i=1; i<=n; i++)
        scanf("%d", &v[i]);
    for(i=1;  i<=n; i++)
    {
        for(k=i; k<=n; k++)
        {
            for(j=k; j<=n; j++)
            {
                sol[++x].a1=v[i];
                sol[x].a2=v[k];
                sol[x].a3=v[j];
                sol[x].a123=v[i]+v[j]+v[k];
            }
        }
    }
    sort(sol+1, sol+x+1,cmp);
    dr=x;
    bs(s);
    if(st<=dr)
        printf("%d %d %d %d %d %d", sol[st].a1, sol[st].a2, sol[st].a3, sol[dr].a1, sol[dr].a2, sol[dr].a3);
    else
        printf("-1");
    return 0;
}