stack1.cpp

来自「很经典的书籍」· C++ 代码 · 共 29 行

//: C07:Stack1.cpp
// Demonstrates the STL stack
#include <fstream>
#include <iostream>
#include <list>
#include <stack>
#include <string>
#include <vector>
using namespace std;

// Rearrange comments below to use different versions.
typedef stack<string> Stack1; // Default: deque<string>
// typedef stack<string, vector<string> > Stack2;
// typedef stack<string, list<string> > Stack3;

int main() {
  ifstream in("Stack1.cpp");
  Stack1 textlines; // Try the different versions
  // Read file and store lines in the stack:
  string line;
  while(getline(in, line))
    textlines.push(line + "\n");
  // Print lines from the stack and pop them:
  while(!textlines.empty()) {
    cout << textlines.top();
    textlines.pop();
  }
} ///:~