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Cod sursa(job #575791)
#include<fstream.h>
#include<algorithm>
ifstream f("loto.in");
ofstream g("loto.out");
struct form{int a,b,c,z;} v1[1000005];
int n,q,s[105],ii,jj,ok,st,dr,mij,tz,nr,w,sol[8];
//int v[1000005];
int cauta(int a, int &jj)
{
st=1; dr=nr;
while(st<=dr)
{ mij=(st+dr)/2;
if(v1[mij].z==a) {jj=mij;return 1;}
if(v1[mij].z<a) st=mij+1;
else dr=mij-1;
}
return 0;
}
int cmp(form a, form b)
{ return (a.z<b.z); }
int main()
{
int i,j,k;
f>>n>>q;
for(i=1;i<=n;++i) f>>s[i];
//std::sort(s+1,s+n+1);
for(i=1;i<=n;++i)
for(j=i;j<=n;++j)
for(k=j;k<=n;++k)
{ v1[++nr].z=s[i]+s[j]+s[k];
v1[nr].a=s[i];
v1[nr].b=s[j];
v1[nr].c=s[k];
}
std::sort(v1+1,v1+nr+1,cmp);
/*w=1;
while(v[w]+v[nr]<q) ++w;
tz=nr;
while(2*v[tz]>q) --tz;
++tz;*/
for(i=1;i<=n&&!ok;++i)
if(cauta(q-v1[i].z,jj)) ok=1,ii=i;
if(ok)
{ sol[0]=v1[ii].a;
sol[1]=v1[ii].b;
sol[2]=v1[ii].c;
sol[3]=v1[jj].a;
sol[4]=v1[jj].b;
sol[5]=v1[jj].c;
std::sort(sol+1,sol+6);
for(i=0;i<6;++i) g<<sol[i]<<' ';
g<<'\n';
}
else g<<-1<<'\n';
f.close(); g.close();
return 0;
}