Left rotate array by one position Dry Run in C

Left rotate array by one position is an interactive C dry run visualizer from the One D 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.

Left rotate array by one position Program Code

#include <stdio.h>
int main() {
    int arr[] = {10, 20, 30, 40, 50}, i;
    int n = 5, first = arr[0];
    
    for(i = 0; i < n-1; i++) {
        arr[i] = arr[i+1];
    }
    arr[n-1] = first;
    
    printf("Array after left rotation: ");
    for(i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    return 0;
}

View the complete One D programs page.