Cod sursa(job #2192191)

Utilizator Digori04Digori Parascovia Digori04 Data 4 aprilie 2018 22:12:26
Problema Ghiozdan Scor 70
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.32 kb
#include <fstream>
#include <algorithm>
#define oo 0x7fffffff - 2
using namespace std;
 
ifstream fin("ghiozdan.in");
ofstream fout("ghiozdan.out");
 
struct din
{
    int nr, prev;
} dp[75001];
 
int g[20001], n, G;
 
void afisare()
{
    for (int i = 0; i <= G; i++)
        fout << "(" << dp[i].nr << ", " << dp[i].prev << ") " << ' ';
    fout << '\n';
}
 
void back(int i)
{
    while (i != 0)
    {
        fout << dp[i].prev << '\n';
        i -= dp[i].prev;
    }
 
}
 
void dinamica()
{
    for (int i = 0; i <= G; i++)
        dp[i].nr = oo;
    dp[0].nr = 0;
 
    for (int i = 1; i <= n; i++)
    {
        for (int j = G; j >= g[i]; j--)
        {
            int ng = j - g[i];
            if (dp[j].nr == oo && dp[ng].nr != oo)
            {
                dp[j].nr = dp[ng].nr + 1;
                dp[j].prev = g[i];
            }
        }
    }
}
 
bool cmp(int a, int b)
{
    return a > b;
}
 
int main()
{
    fin >> n >> G;
    for (int i = 1; i <= n; i++)
        fin >> g[i];
 
    sort(g + 1 , g + n + 1, cmp);
    dinamica();
 
    int poz;
 
    for (int i = G; i >= 0; i--)
    {
        if (dp[i].nr != oo)
        {
            poz = i;
            break;
        }
    }
 
    fout << poz << ' ' << dp[poz].nr << '\n';
    back(poz);
}