Cod sursa(job #245191)

Utilizator cosmin79Carabet Cosmin Andrei cosmin79 Data 17 ianuarie 2009 10:06:51
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.15 kb
#include <stdio.h>
#include <algorithm>
using namespace std;
int caut(int x,int r,int sum[250005])
{
	int st=1,dr=r,m;
	while (st!=dr)
	{
		m=(st+dr)/2;
		if (x>sum[m])
			st=m+1;
		else
			dr=m;
	}
	if (x==sum[st])
		return 1;
	return 0;
}
int diferenta(int x,int n,int a[105])
{
	int i,j,k;
	for (i=1; i<=n; i++)
		for (j=i; j<=n; j++)
			for (k=j; k<=n; k++)
				if (a[i]+a[j]+a[k]==x)
					return printf("%d %d %d",a[i],a[j],a[k]);
}
int main()
{
	freopen("loto.in","r",stdin);
	freopen("loto.out","w",stdout);
	int i,j,k,n,s,a[105],sum[250005],r=0,sumpart=0,verif=0;
	scanf("%d%d",&n,&s);
	for (i=1; i<=n; i++)
		scanf("%d",&a[i]);
	for (i=1; i<=n; i++)
		for (j=i; j<=n; j++)
			for (k=j; k<=n; k++)
				sum[++r]=a[i]+a[j]+a[k];
	sort(sum+1, sum+r+1);
	for (i=1; i<=n; i++)
	{
		if (verif==1)
			break;
		for (j=i; j<=n; j++)
		{
			if (verif==1)
				break;
			for (k=j; k<=n; k++)
			{
				sumpart=a[i]+a[j]+a[k];
				if (caut(s-sumpart,r,sum)) 
				{
					printf("%d %d %d ",a[i],a[j],a[k]);
					diferenta(s-sumpart,n,a);
					verif=1;
					break;
				}
			}
		}
	}
	if (verif==0)
		printf("-1");
	return 0;
}