C Online Compiler
Example: Find Second Largest Element (Two-Pass Scan) in C
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main.c
STDIN
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// Find Second Largest Element (Two-Pass Scan) #include <stdio.h> #include <limits.h> // For INT_MIN int main() { int arr[] = {12, 35, 1, 10, 34, 1}; int n = sizeof(arr) / sizeof(arr[0]); if (n < 2) { printf("Array must have at least two elements.\n"); return 0; } // Step 1: Find the largest element int largest = INT_MIN; for (int i = 0; i < n; i++) { if (arr[i] > largest) { largest = arr[i]; } } // Step 2: Find the second largest element // Initialize secondLargest to a very small number or a sentinel int secondLargest = INT_MIN; for (int i = 0; i < n; i++) { if (arr[i] > secondLargest && arr[i] < largest) { secondLargest = arr[i]; } } if (secondLargest == INT_MIN) { printf("No second distinct largest element found.\n"); } else { printf("The second largest element is: %d\n", secondLargest); } return 0; }
Output
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