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Cod sursa(job #64722)
#include<stdlib.h>
#include<stdio.h>
FILE*f=fopen("loto.in","r");
FILE*g=fopen("loto.out","w");
typedef struct
{
long b,i,j,k;
}element;
element v[90];
long n,p=-1;
long s;
int c[100];
void read()
{
long i;
fscanf(f,"%ld %ld",&n,&s);
for(i=0;i<n;++i) fscanf(f,"%ld",&c[i]);
int j,k;
for(i=0;i<n;++i)
for(j=i;j<n;++j)
for(k=j;k<n;++k)
{
v[++p].b=c[i]+c[j]+c[k];
v[p].i=i; v[p].j=j; v[p].k=k;
}
}
int intcmp(const void *a, const void *b)
{
return *(int*)a-*(int*)b;
}
void sortare()
{
qsort(v,n,sizeof(v[0]),intcmp);
}
long binary_search(long x, long k)
{
long j,i,m;
i=k; j=p;
while(i<=j)
{
m=(i+j)/2;
if(v[m].b+x==s) return m;
else if (v[m].b+x<s) i=m+1;
else j=m-1;
}
return -2;
}
void bug()
{
int i;
fprintf(g,"\n");
fprintf(g,"\n");
for(i=0;i<p;++i) fprintf(g,"%d ",v[i].b);
}
int calcul()
{
long i,ok=0,x;
for(i=0;i<p;++i)
{
x=binary_search(v[i].b,i);
if(x>=0)
{
ok=1;
fprintf(g,"%d %d %d %d %d %d",c[v[i].i],c[v[i].j],c[v[i].k],c[v[x].i],c[v[x].j],c[v[x].k]);
return 0;
}
}
fprintf(g,"-1");
return 0;
}
int main()
{
read();
sortare();
calcul();
return 0;
}