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Cod sursa(job #527469)
#include <fstream>
#include <set>
#define DN 105
using namespace std;
int v[DN],n,s,rez[8];
set<int> m;
bool ok;
void find(int s) {
int i, j, k;
for(i=1; i<=n; ++i) for(j=i; j<=n; ++j) for(k=j; k<=n; ++k) if(v[i]+v[j]+v[k]==s) {
rez[++rez[0]]=v[i];
rez[++rez[0]]=v[j];
rez[++rez[0]]=v[k];
return;
}
}
int main()
{
ifstream f("loto.in");
ofstream g("loto.out");
f>>n>>s;
int i,j,k,s1,s2;
for(i=1; i<=n; ++i) f>>v[i];
for(i=1; i<=n; ++i) for(j=i; j<=n; ++j) for(k=j; k<=n; ++k) m.insert(v[i]+v[j]+v[k]);
for(i=1; i<=n; ++i) for(j=i; j<=n; ++j) for(k=j; k<=n; ++k) {
s1=v[i]+v[j]+v[k]; s2=s-s1;
if(m.find(s2)!=m.end()) {
ok=1;
goto sf;
}
}
sf: ;
if(ok) {
find(s1); find(s2);
for(i=1; i<=6; ++i) g<<rez[i]<<' ';
}else g<<"-1";
return 0;
}