Find second smallest element in array Dry Run in C

Find second smallest element in array 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.

Find second smallest element in array Program Code

#include <stdio.h>
int main() {
    int arr[] = {23, 45, 12, 67, 34, 89, 21}, i;
    int n = sizeof(arr)/sizeof(arr[0]);
    int first = arr[0], second = arr[1];
    
    if(first > second) {
        int temp = first;
        first = second;
        second = temp;
    }
    
    for(i = 2; i < n; i++) {
        if(arr[i] < first) {
            second = first;
            first = arr[i];
        }
        else if(arr[i] < second && arr[i] != first) {
            second = arr[i];
        }
    }
    
    printf("Second smallest = %d\n", second);
    return 0;
}

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