Cod sursa(job #1486704)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 15 septembrie 2015 14:13:23
Problema Loto Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.95 kb
#include<cstdio>
#include<algorithm>
using namespace std;
struct S { int x,y,z,t; };
int n,i,j,k,m,s,v[101],e,o,a,b,p,l,q,u[7];
S r[101];
int C(S a,S b) { return a.t<b.t; }
int main() {
	freopen("loto.in","r",stdin),freopen("loto.out","w",stdout),scanf("%d%d",&n,&s);
	for(i=1;i<=n;i++)
     	scanf("%d",&v[i]);
	p=s,sort(v+1,v+n+1);
	for(i=1;i<=n;i++)
	for(j=i;j<=n;j++)
	for(k=j;k<=n;k++)
     	r[++e].t=v[i]+v[j]+v[k],r[e].x=v[i],r[e].y=v[j],r[e].z=v[k];
	sort(r+1,r+e+1,C);
	for(q=1;q<e;q<<=1);
	for(i=1;i<=e&&!o;i++) {
     	if(p<=r[i].t)
           	o=1;
     	for(j=0,m=q;m&&!o;m>>=1)
     	if(m+j<=e)
           	if(r[j+m].t<p-r[i].t)
                j+=m;
           	else
                if(r[j+m].t==p-r[i].t)
                	o=1,l=i,k=j+m;
	}
	if(!o)
     	printf("-1");
	else
		u[1]=r[l].x,u[2]=r[l].y,u[3]=r[l].z,u[4]=r[k].x,u[5]=r[k].y,u[6]=r[k].z,sort(u+1,u+7),printf("%d %d %d %d %d %d",u[1],u[2],u[3],u[4],u[5],u[6]);
}