This code is a nested `for` loop in C that...
August 31, 2025 at 09:31 AM
This code is a nested for
loop in C that prints a right-angled triangle made of asterisks (*
). Here's a breakdown of what it does:
Code Analysis:
for(int i = 0; i < 5; i++) {
for(int j = 0; j <= i; j++) {
printf("* ");
}
printf("\n");
}
How it works:
-
Outer Loop (i):
- The outer
for
loop runs 5 times (fromi = 0
toi = 4
). i
represents the current row being printed.
- The outer
-
Inner Loop (j):
- For each iteration of the outer loop, the inner
for
loop runs(i + 1)
times (j
going from0
toi
). - In each iteration of the inner loop, the code prints
*
(an asterisk followed by a space).
- For each iteration of the outer loop, the inner
-
Newline:
- At the end of each iteration of the outer loop (i.e., after completing the inner loop), a newline (
\n
) is printed to move to the next row.
- At the end of each iteration of the outer loop (i.e., after completing the inner loop), a newline (
Output:
The output is a right-angled triangle of asterisks (*
), where the number of asterisks in each row corresponds to the row number (starting from 1). It looks like this:
*
* *
* * *
* * * *
* * * * *
Summary:
The code uses nested loops to print a right-angled triangle of asterisks. Each row contains one more asterisk than the previous row, starting from 1 asterisk in the first row.
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