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Copy pathSource.cpp
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135 lines (101 loc) · 2.59 KB
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Copy pathSource.cpp
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135 lines (101 loc) · 2.59 KB
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#include "book.hpp"
#include "library.hpp"
#include <stdlib.h>
#include <iostream>
#include <fstream>
using namespace std;
typedef struct _GLOBAL
{
uint64_t libNo;
uint64_t booksNo;
uint64_t daysNo;
vector<Book> booksScore;
vector<Library> libs;
}GLOBAL, *PGLOBAL;
GLOBAL res = { 0 };
vector<Library> selectedLibs;
void readInput(const char* fileName)
{
uint64_t id = 0;
uint64_t score = 0;
std::fstream inFile(fileName, std::ios_base::in);
inFile >> res.booksNo >> res.libNo >> res.daysNo;
//cout << "LibraryNo=" << res.libNo << " Books=" << res.booksNo << " Days=" << res.daysNo << endl;
for (auto i = 0; i < res.booksNo; ++i)
{
inFile >> score;
auto book = Book(score);
res.booksScore.emplace_back(std::move(book));
//cout << "bookId[" << book.getId() << "]=" << book.getScore() << endl;
}
for (auto i = 0; i < res.libNo; ++i)
{
vector<Book> libBooks;
uint64_t libNoBooks, signupDays, booksPerDay;
inFile >> libNoBooks >> signupDays >> booksPerDay;
//cout << "libNoBooks=" << libNoBooks << " signupDays=" << signupDays << " booksPerDay=" << booksPerDay << endl;
for (auto j = 0; j < libNoBooks; ++j)
{
inFile >> id;
auto book = Book(id, res.booksScore[id].getScore());
libBooks.emplace_back(book);
}
auto lib = Library(libNoBooks, signupDays, booksPerDay, libBooks);
res.libs.emplace_back(std::move(lib));
}
}
void updateScore(std::vector<Book> libBooks)
{
for (auto book : libBooks)
res.booksScore[book.getId()].setScore(0);
}
void updateLibs(std::vector<Book> libBooks)
{
//for (auto& lib)
for (auto& book : libBooks)
res.booksScore[book.getId()].setScore(0);
}
void greedy()
{
for (auto d = 0; d < res.daysNo; ++d)
{
//cout << "DAY " << d << endl;
uint64_t id = 0;
uint64_t max = 0;
for (auto& lib : res.libs)
lib.compute(res.daysNo);
for (auto& lib : res.libs)
if (max < lib.getScore())
{
max = lib.getScore();
id = lib.getId();
}
if (max == 0) break;
res.libs[id].setDay(d);
updateScore(res.libs[id].getBooks());
selectedLibs.emplace_back(res.libs[id]);
res.libs[id].clear();
d += res.libs[id].getSignup();
}
}
void writeOutput(const char* fileOut)
{
std::fstream outFile(fileOut, std::ios_base::out);
outFile << selectedLibs.size() << endl;
for (auto& lib : selectedLibs)
{
auto books = lib.getBooks();
outFile << lib.getId() << " " << books.size() << endl;
for (auto b : books)
outFile << b.getId() << " ";
outFile << endl;
}
}
int main()
{
readInput("input\\f_libraries_of_the_world.txt");
greedy();
writeOutput("out\\f_libraries_of_the_world.txt");
getchar();
return 0;
}