Mai intai trebuie sa te autentifici.
Cod sursa(job #165850)
| Utilizator | Data | 26 martie 2008 23:51:33 | |
|---|---|---|---|
| Problema | Loto | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 1.2 kb |
#include<stdio.h>
long long i,j,k,ok,mij;
long long nr,a[101],s,suma,l,r,sum[1000002],n;
void sort(int l,int r)
{int i,j,x,y;
i=l;j=r;x=sum[(l+r)/2];
do
{
while (sum[i]<x) i++;
while (sum[j]>x) j--;
if (i<=j)
{
y=sum[i];sum[i]=sum[j];sum[j]=y;
i++;j--;
}
}while (i<=j);
if (l<j) sort(l,j);
if (i<r) sort(i,r);
}
void afisare(long long s1)
{int ok=1;
for (i=1;i<=n && ok;i++)
for (j=i;j<=n && ok;j++)
for (k=j;k<=n && ok;k++)
if (a[i]+a[j]+a[k]==s1)
printf("%lld %lld %lld ", a[i], a[j], a[k]),ok=0;
}
int main()
{
freopen("loto.in","r",stdin);
freopen("loto.out","w",stdout);
scanf("%lld %lld",&n,&s);
for(i=1;i<=n;i++)
scanf("%lld",&a[i]);
nr=0;
for(i=1;i<=n;i++)
for(j=i;j<=n;j++)
for(k=j;k<=n;k++)
sum[++nr]=a[i]+a[j]+a[k];
sort(1,nr);
for (i=1;i<=nr;i++)
{
suma=s-sum[i];
l=1;r=nr;
while (l<=r)
{
mij=(l+r)/2;
if (sum[mij]==suma)
{
afisare(suma);
afisare(s-suma);
return 0;
}
if (sum[mij]>suma) r=mij-1;
else l=mij+1;
}
}
printf("-1");
return 0;
}
