Leap Year (nested if) Dry Run in C

Leap Year (nested if) is an interactive C dry run visualizer from the If programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Leap Year (nested if) Program Code

#include <stdio.h>
int main() {
    int year;
    scanf("%d", &year);

    if (year % 4 == 0) {
        if (year % 100 == 0) {
            if (year % 400 == 0)
                printf("Leap Year");
            else
                printf("Not a Leap Year");
        }
        else {
            printf("Leap Year");
        }
    }
    else {
        printf("Not a Leap Year");
    }

    return 0;
}

View the complete If programs page.