گزاره های شرطی ساده و تودرتو در ++C — به زبان ساده

1if (testExpression) 
2{
3   // statements
4}

1// Program to print positive number entered by the user
2// If user enters negative number, it is skipped
3 
4#include <iostream>
5using namespace std;
6
7int main() 
8{
9    int number;
10    cout << "Enter an integer: ";
11    cin >> number;
12
13    // checks if the number is positive
14    if ( number > 0) 
15    {
16        cout << "You entered a positive integer: " << number << endl;
17    }
18
19    cout << "This statement is always executed.";
20    return 0;
21
22}

1// Program to check whether an integer is positive or negative
2// This program considers 0 as positive number
3
4#include <iostream>
5using namespace std;
6
7int main() 
8{
9    int number;
10    cout << "Enter an integer: ";
11    cin >> number;
12
13    if ( number >= 0)
14    {
15        cout << "You entered a positive integer: " << number << endl;
16    }
17    
18    else
19    {
20        cout << "You entered a negative integer: " << number << endl;
21    }
22
23    cout << "This line is always printed.";
24    return 0;
25}

1if (testExpression1) 
2{
3   // statements to be executed if testExpression1 is true
4}
5else if(testExpression2) 
6{
7   // statements to be executed if testExpression1 is false and testExpression2 is true
8}
9else if (testExpression 3) 
10{
11   // statements to be executed if testExpression1 and testExpression2 is false and testExpression3 is true
12}
13.
14.
15else 
16{
17   // statements to be executed if all test expressions are false
18}

1// Program to check whether an integer is positive, negative or zero
2
3#include <iostream>
4using namespace std;
5
6int main() 
7{
8    int number;
9    cout << "Enter an integer: ";
10    cin >> number;
11
12    if ( number > 0)
13    {
14        cout << "You entered a positive integer: " << number << endl;
15    }
16    else if (number < 0)
17    {
18        cout<<"You entered a negative integer: " << number << endl;
19    }
20    else
21    {
22        cout << "You entered 0." << endl;
23    }
24
25    cout << "This line is always printed.";
26    return 0;
27}

1if ( a < b ) {
2   a = b;
3}
4else {
5   a = -b;
6}

1a = (a < b)? b: -b;