Cod sursa(job #1772304)

Utilizator GabiTulbaGabi Tulba-Lecu GabiTulba Data 6 octombrie 2016 17:28:42
Problema Ghiozdan Scor 46
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.75 kb
#include <cstdio>
#include <cstring>
#include <algorithm>
#define MaxN 75005
#define MAX 131072
using namespace std;

FILE *IN,*OUT;
int pos=0,out=0,sign,N,Val,Max=0,G;
char f[MAX],Out[MAX],str[10];
bool v[MaxN];
int pre[MaxN],L[MaxN];
inline int max2(int a,int b)
{
    if(a<b)return b;
    else return a;
}

inline void Write_Ch(char ch)
{
    Out[out++]=ch;
    if(out==MAX)
        fwrite(Out,MAX,1,OUT),out=0;
}
inline void Write_Int(int nr)
{
    int x=0;
    if(nr<0)Write_Ch('-'),nr=-nr;
    do
    {
        str[x++]=nr%10+'0';
        nr/=10;
    }
    while(nr);
    while(x>0)
        Write_Ch(str[--x]);
}
inline void Read(int &nr)
{
    sign=0;
    nr=0;
    while(f[pos]<'0'||f[pos]>'9')
    {
        if(f[pos]=='-')sign=1;
        pos++;
        if(pos==MAX)
            fread(f,MAX,1,IN),pos=0;
    }
    while(f[pos]>='0'&&f[pos]<='9')
    {
        nr=10*nr+f[pos++]-'0';
        if(pos==MAX)
            fread(f,MAX,1,IN),pos=0;
    }
    if(sign)nr=-nr;
}

int main()
{
    IN=fopen("ghiozdan.in","r");
    OUT=fopen("ghiozdan.out","w");
    fread(f,1,MAX,IN);
    Read(N);Read(G);
    L[0]=0,v[0]=true,pre[0]=-1;
    for(int j=1;j<=N;j++)
    {
        Read(Val);
        for(int i=G-Val;i>=0;i--)
            if(v[i])
            {
                if(!v[i+Val])v[i+Val]=true,pre[i+Val]=Val,L[i+Val]=1+L[i],Max=max2(Max,i+Val);
                if(L[i+Val]>1+L[i])L[i+Val]=1+L[i],Max=max2(Max,i+Val);
                if(L[i]==0)pre[i+Val]=Val;
            }
    }
    Write_Int(Max),Write_Ch(' '),Write_Int(L[Max]),Write_Ch('\n');
    while(pre[Max]!=-1)
    {
        Write_Int(pre[Max]),Write_Ch('\n');
        Max-=pre[Max];
    }
    if(out>0)fwrite(Out,1,out,OUT);
    return 0;
}