124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
#include <iostream> // library for printing
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#include <string> // support for strings
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#include <vector> // support for vectors
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#include <assert.h>
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#include <fstream> // support for reading files
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using namespace std;
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// For compiling C++ code
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// g++ a.c -o a
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class Library {
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public:
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void ComputeStats() {
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assert(counts.empty());
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counts.resize(18);
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for (string s : words) {
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int len = s.length();
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if (len < 18) {
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counts[len]++;
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}
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}
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}
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void PrintStats() const {
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cout << "Here are the counts of each word length:\n";
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for (int i=1; i<counts.size(); i++) {
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cout << "[" << i << "] " << counts[i] << "\n";
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}
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}
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string GetWord(int i) const {
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assert(i >= 0 && i < words.size());
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return words[i];
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}
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void ReadFromFile(string filename) {
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ifstream f;
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f.open(filename);
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while (!f.eof())
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{
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string line;
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getline(f, line);
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// cout << line << "\n";
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if (!line.empty())
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{
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int len = line.length();
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if (line[len-1] == '\r') {
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line = line.substr(0, len-1);
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}
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words.push_back(line);
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}
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}
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cout << "Read " << words.size() << " words from file '"
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<< filename << "'\n";
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}
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private:
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vector<string> words;
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vector<int> counts;
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};
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struct Grid
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{
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Grid(string n)
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{
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name = n;
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}
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int rows() const { return lines.size(); }
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int cols() const
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{
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if (lines.empty())
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{
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return 0;
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}
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else
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{
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return lines[0].size();
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}
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}
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void LoadFromFile(string filename)
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{
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ifstream f;
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f.open("test");
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while (!f.eof())
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{
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string line;
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getline(f, line);
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// cout << line << "\n";
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if (!line.empty() && line[0] != '#')
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{
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lines.push_back(line);
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}
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}
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}
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void Check() const
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{
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for (string s : lines)
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{
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assert(s.size() == cols());
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}
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}
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void Print() const
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{
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cout << "Grid: " << name
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<< " (rows=" << rows()
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<< ", cols=" << cols() << ")\n";
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for (string s : lines)
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{
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cout << " " << s << "\n";
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}
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}
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string name; // string are initialized empty
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vector<string> lines;
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};
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int main()
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{
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Library lib;
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lib.ReadFromFile("top_12000.txt");
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lib.ComputeStats();
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lib.PrintStats();
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//Grid grid("MY GRID");
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//grid.LoadFromFile("test");
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//grid.Check();
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//grid.Print();
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} |