onvert if else to switch statement if (cmd == '+') result = num1 + num2; else if (cmd == '-') result = num1 - num2; else if (cmd == 'x') result = num1 * num2; else if (cmd == '/') result = num1 / num2; else if (cmd == 'g') result = 2 * num1 + num2; // linear g(x,y) else { cout << "bad operation code\n"; exit(0); } cout << result << "=" << num1 << cmd << num2 << endl; }
onvert if else to switch statement if (cmd == '+') result = num1 + num2; else if (cmd == '-') result = num1 - num2; else if (cmd == 'x') result = num1 * num2; else if (cmd == '/') result = num1 / num2; else if (cmd == 'g') result = 2 * num1 + num2; // linear g(x,y) else { cout << "bad operation code\n"; exit(0); } cout << result << "=" << num1 << cmd << num2 << endl; }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
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convert if else to switch statement
if (cmd == '+') result = num1 + num2;
else if (cmd == '-') result = num1 - num2;
else if (cmd == 'x') result = num1 * num2;
else if (cmd == '/') result = num1 / num2;
else if (cmd == 'g') result = 2 * num1 + num2; // linear g(x,y)
else {
cout << "bad operation code\n";
exit(0);
}
cout << result << "=" << num1 << cmd << num2 << endl;
}
Expert Solution
Step 1
syntax of switch statement
switch(expression) {
case 'expression :
statement;
break; //optional
case 'expression' :
statement;
break; //optional
default : //Optional
statement(s);
}
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