Cod sursa(job #749428)

Utilizator harababurelPuscas Sergiu harababurel Data 16 mai 2012 22:49:29
Problema Loto Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.15 kb
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
	ifstream f("loto.in");
	ofstream g("loto.out");
	
	long long n, s, i, j, k, l, begin, end, mid, suma;
	vector <long long> val, v, a, b, c;
	bool gasit=0;
	
	
	f>>n>>s;
	for(i=1; i<=n; i++) {
		f>>k;
		val.push_back(k);
	}
	
	for(i=0; i<val.size(); i++) {
		for(j=i; j<val.size(); j++) {
			for(k=j; k<val.size(); k++) {
				v.push_back(val[i]+val[j]+val[k]);
				a.push_back(val[i]);
				b.push_back(val[j]);
				c.push_back(val[k]);
			}
		}
	}
	
	for(i=0; i<val.size(); i++) {
		for(j=i; j<val.size(); j++) {
			for(k=j; k<val.size(); k++) {	
				if(!gasit) {
			
					suma = val[i] + val[j] + val[k];
	
					begin = -1;
					end = n;
					while(end-begin>1) {
						mid = begin + (end-begin)/2;
						if( suma + v[mid] > s ) end = mid;
						else begin = mid;
					}
					if(v[end] + suma == s) {
						g<<a[end]<<" "<<b[end]<<" "<<c[end]<<" "<<val[i]<<" "<<val[j]<<" "<<val[k]<<"\n";
						gasit=1;
					}
				
				}
			}
		}
	}
	
	if(!gasit) g<<"-1\n";
	
	f.close();
	g.close();
	return 0;
}