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C Program to Solve Two Sum Using Brute Force (With Algorithm & Output)

 Introduction The Two Sum problem is a popular coding interview question where we must find two indices of an array whose values add up to a given target. This program demonstrates a simple brute-force solution in C using nested loops and dynamic memory allocation. Problem Statement Given an integer array and a target value, return the indices of the two numbers such that they add up to the target. Each input has exactly one solution, and the same element cannot be used twice. The result should return the indices, not the values. If no solution exists, return NULL.  Algorithm / Logic Explanation Start the program. Traverse the array using a loop from index 0 to numsSize - 1 . Inside this loop, use another loop starting from i + 1 to numsSize - 1 . For every pair (i, j) , check if nums[i] + nums[j] == target . If condition becomes true: Allocate memory for 2 integers using malloc() . Store indices i and j . Set returnSize = 2 . Return the result poi...
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Find Smallest of Three Numbers in C

Find Smallest of Three Numbers in C

✅ Find the Smallest of Three Numbers in C

#include<stdio.h>

int main() {
    int a, b, c;
    printf("Enter any three numbers:\n");
    scanf("%d %d %d", &a, &b, &c);

    if (a <= b && a <= c) {
        printf("Smallest number among three is: %d\n", a);
    }
    else if (b <= a && b <= c) {
        printf("Smallest number among three is: %d\n", b);
    }
    else {
        printf("Smallest number among three is: %d\n", c);
    }

    return 0;
}

📘 Explanation:

This C program helps you find the smallest number out of three inputs using conditional logic. It compares:

  • First if a is smaller than or equal to both b and c.
  • If not, it checks if b is the smallest.
  • If both conditions fail, c is the smallest.
This method is efficient and handles equal numbers as well.

🧾 Sample Output:

Enter any three numbers:
12 9 27
Smallest number among three is: 9

🔑 Keywords:

Smallest of three numbers, if else in C, compare numbers in C, minimum value logic, basic C programs, beginner C examples

📌 Hashtags:

#CProgramming #SmallestNumber #IfElseC #MinOfThree #BeginnerC #LogicInC

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