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Beginning C++ Through Gam…rogramming (2nd Edition)
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chapter01
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game_stats2.cpp
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C/C++ Source or Header
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2003-09-17
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917b
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46 lines
// Game Stats 2.0
// Demonstrates arithmetic operations with variables
#include <iostream>
using namespace std;
int main()
{
unsigned int score = 5000;
cout << "score: " << score << endl;
//altering the value of a variable
score = score + 100;
cout << "score: " << score << endl;
//combined assignment operator
score += 100;
cout << "score: " << score << endl;
//increment operators
int lives = 3;
++lives;
cout << "lives: " << lives << endl;
lives = 3;
lives++;
cout << "lives: " << lives << endl;
lives = 3;
int bonus = ++lives * 10;
cout << "lives, bonus = " << lives << ", " << bonus << endl;
lives = 3;
bonus = lives++ * 10;
cout << "lives, bonus = " << lives << ", " << bonus << endl;
//integer wrap around
score = 4294967295;
cout << "\nscore: " << score << endl;
++score;
cout << "score: " << score << endl;
return 0;
}