Cod sursa(job #3144077)

Utilizator Luca529Taschina Luca Luca529 Data 4 august 2023 11:27:01
Problema Ghiozdan Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 2.84 kb
#include <iostream>
#include <fstream>

using namespace std;

class InParser {
private:
	FILE *fin;
	char *buff;
	int sp;

	char read_ch() {
		++sp;
		if (sp == 4096) {
			sp = 0;
			fread(buff, 1, 4096, fin);
		}
		return buff[sp];
	}

public:
	InParser(const char* nume) {
		fin = fopen(nume, "r");
		buff = new char[4096]();
		sp = 4095;
	}

	InParser& operator >> (int &n) {
		char c;
		while (!isdigit(c = read_ch()) && c != '-');
		int sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		} else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}

	InParser& operator >> (long long &n) {
		char c;
		n = 0;
		while (!isdigit(c = read_ch()) && c != '-');
		long long sgn = 1;
		if (c == '-') {
			n = 0;
			sgn = -1;
		} else {
			n = c - '0';
		}
		while (isdigit(c = read_ch())) {
			n = 10 * n + c - '0';
		}
		n *= sgn;
		return *this;
	}
};

class OutParser {
private:
    FILE *fout;
    char *buff;
    int sp;

    void write_ch(char ch) {
        if (sp == 50000) {
            fwrite(buff, 1, 50000, fout);
            sp = 0;
            buff[sp++] = ch;
        } else {
            buff[sp++] = ch;
        }
    }


public:
    OutParser(const char* name) {
        fout = fopen(name, "w");
        buff = new char[50000]();
        sp = 0;
    }
    ~OutParser() {
        fwrite(buff, 1, sp, fout);
        fclose(fout);
    }

    OutParser& operator << (int vu32) {
        if (vu32 <= 9) {
            write_ch(vu32 + '0');
        } else {
            (*this) << (vu32 / 10);
            write_ch(vu32 % 10 + '0');
        }
        return *this;
    }

    OutParser& operator << (long long vu64) {
        if (vu64 <= 9) {
            write_ch(vu64 + '0');
        } else {
            (*this) << (vu64 / 10);
            write_ch(vu64 % 10 + '0');
        }
        return *this;
    }

    OutParser& operator << (char ch) {
        write_ch(ch);
        return *this;
    }
    OutParser& operator << (const char *ch) {
        while (*ch) {
            write_ch(*ch);
            ++ch;
        }
        return *this;
    }
};

InParser fin("ghiozdan.in");
OutParser fout("ghiozdan.out");
int dp[75001], u[75001], nr[75001], f[201];

void F(int s)
{if(u[s]!=0)
 {fout<<u[s]<<"\n";
  F(s-u[s]);
 }
}

int main()
{   int n, s, a;
    fin>>n>>s;
    for(int i=1;i<=n;i++)
    {fin>>a;
     f[a]++;
    }

    for(int i=200;i>0;i--)
    if(f[i]!=0)
    {for(int j=i;j<=s;j++)
     if((j==i || dp[j-i]!=0) && (dp[j]==0 || dp[j]>dp[j-i]+1))
     {if(u[j-i]!=i)dp[j]=dp[j-i]+1, nr[j]=1, u[j]=i;
      else if(nr[j-i]<f[i])dp[j]=dp[j-i]+1, nr[j]=1+nr[j-i], u[j]=i;
     }
    }

    while(dp[s]==0)
    s--;

    fout<<s<<" "<<dp[s]<<"\n";
    F(s);
    return 0;
}