54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
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//
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// ***** Program Ch03_2c.cpp ***********
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// Example of arithmetic operations, increment and decrement
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// operators
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#include <iostream>
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#include <iomanip>
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#include <cmath>
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#include <climits>
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using namespace std;
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int main()
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{
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int num1 = 10; // variable used for increment and decrement operations
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// Perform prefix and postfix increment and decrement operations
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// on the num1 variable. These operations are performed in an output
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// statement to illustrate the difference between the two methods
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// increment and decrement operators - POSTFIX
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cout << "POSTFIX incremennt and decrement operations\n";
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cout << "*******************************************\n";
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cout << "Perform Postfix increment:\n";
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cout << "\tnum1 before postfix ++ operation: " << num1 << endl;
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cout << "\tnum1 during postfix ++ operation: " << num1++ <<endl;
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cout << "\tnum1 after postfix ++ operation: " << num1 << endl;
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cout << "*******************************************\n";
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cout << "Perform Postfix decrement:\n";
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cout << "\tnum1 before postfix -- operation: " << num1 << endl;
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cout << "\tnum1 during postfix -- operation: " << num1-- <<endl;
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cout << "\tnum1 after postfix -- operation: " << num1 << endl;
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cout << "*******************************************\n";
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// increment and decrement operators - PREFIX
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cout << "PREFIX increment and decrement operations\n";
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cout << "*******************************************\n";
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cout << "Perform Prefix increment:\n";
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cout << "\tnum1 before prefix ++ operation: " << num1 << endl;
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cout << "\tnum1 during prefix ++ operation: " << ++num1 <<endl;
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cout << "\tnum1 after prefix ++ operation: " << num1 << endl;
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cout << "*******************************************\n";
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cout << "Perform Prefix decrement:\n";
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cout << "\tnum1 before prefix -- operation: " << num1 << endl;
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cout << "\tnum1 during prefix -- operation: " << --num1 <<endl;
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cout << "\tnum1 after prefix -- operation: " << num1 << endl;
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cout << "*******************************************\n";
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return 0;
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}
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