if statement c 2b 2b

1if (20 > 18) {
2  cout << "20 is greater than 18";
3}

1if (condition) {
2  // block of code to be executed if the condition is true
3}

1if (condition) {
2    // block of code if condition is true
3}
4else {
5    // block of code if condition is false
6}

1   if( a == 10 ) {
2      cout << "Value of a is 10" << endl;
3   } else if( a == 20 ) {
4      // if else if condition is true
5      cout << "Value of a is 20" << endl;
6   } 

1#include<iostream>
2using namespace std;
3
4int main()
5{
6    int grade;
7
8    cin >> grade;
9
10    if( grade >= 60 )
11        cout << "You Pass!" << endl;
12    else
13        cout << "You Fail..." << endl;
14
15    return 0;
16}
17

1if (condition)
2{
3	// block of code
4}
5else if (condition)
6{
7	// block of code
8}
9else {
10	// block of code
11}