Floyd’s Triangle
The Floyd’s Triangle is a right angled triangle with array of natural numbers. In this article we will show you, How to write a C Program to Print Floyd’s Triangle with example.
C Program to Print Floyd’s Triangle
This C program allows the user to enter the maximum number of rows he/she want to print as Floyd’s triangle. We are going to print the Floyd’s triangle of integers until it reaches the user specified rows.
C PROGRAMMING CODE
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/* C Program to Print Floyd’s Triangle */ #include <stdio.h> int main() { int Rows, i, j, Number = 1; printf(" Please Enter the Number of Rows: "); scanf("%d", &Rows); printf(" \n Printing FLOYD'S Triangle \n \n"); for ( i = 1 ; i <= Rows; i++ ) { for ( j = 1 ; j <= i; j++ ) { printf("%d ", Number); Number++; } printf("\n"); } return 0; } |
OUTPUT
ANALYSIS
Following statements will allow the User to enter the range or maximum Number of rows he/she want to print.
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printf(" Please Enter the Number of Rows: "); scanf("%d", &Rows); |
Now let us see the Nested for loop in C Programming
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for ( i = 1 ; i <= Rows; i++ ) { for ( j = 1 ; j <= i; j++ ) { printf("%d ", Number); Number++; } printf("\n"); } |
Outer Loop – First Iteration
From the above screenshot you can observe that, The value of i is 1 and Rows is 5 so, the condition (i <= 5) is True. So, it will enter into second for loop
Inner Loop – First Iteration
The j value is 1 and the condition (j <= 1) is True. So, it will start executing the statements inside the loop. Following statement will print Number as Output and we all know that, Number = 1 so, 1 is printed
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printf("%d ", Number); |
Following statement will increment the Value of Number by 1 using the Increment Operator
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Number++; |
Inner Loop – Second Iteration
The j value will be 2 and the condition (2 <= 1) is False so it will exit from the second loop.
Following statement is used to terminate the current line
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printf("\n"); |
Outer Loop – Second Iteration
The value of i will be 2 and the condition (2 <=5) is True. So, it will enter into second for loop
Inner Loop – First Iteration
The value of j is 1 and the condition (1 <= 2) is True. So, it will start executing the statements inside the loop. Following statement will print Number as Output and we all know that, Number = 2 so, 2 is printed
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printf("%d ", Number); |
Following statement will increment the Value of Number by 1
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Number++; |
Next, j value will also be incremented by 1.
Inner Loop – Second Iteration
The value of j is 2 and the condition (2 <= 2) is True. So, it will start executing the statements inside the loop. It means, 3 will be printed.
Inner Loop – Third Iteration
The j value will be 3 and the condition (3 <= 2) is False so it will exit from the second loop.
This will happen until it reaches to 5 and after that both the Inner Loop and Outer loop will be terminated.
C Program to Print Floyd’s Triangle without Natural numbers
This program allows the user to enter the number of rows he/she want to print as Floyd’s triangle. In this example we are going to print the Floyd’s triangle using the * symbol. this program can also be said as printing Right angled triangle with * symbol’s.
CODE
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/* C Program to Print Floyd’s Triangle */ #include <stdio.h> int main() { int Rows, i, j; printf(" Please Enter the Number of Rows: "); scanf("%d", &Rows); printf(" \n Printing FLOYD'S Triangle \n \n"); for ( i = 1 ; i <= Rows; i++ ) { for ( j = 1 ; j <= i; j++ ) { printf("* "); } printf("\n"); } return 0; } |
OUTPUT
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