Question

How to find the next largest number in an array with C

Answer 1

#include <stdio.h>
#include <stdlib.h>

int find_max(int arr[], int len) { 
    int max = arr[0];
	for (int i = 0; i < len; i++) {
        if (max < arr[i]) max = arr[i];
	}
    return max;
}

int main() {
	int arr[] = {3, 4, 9, 6, 7, 1, 2, 5}; 
	int len = sizeof(arr)/sizeof(int); 
	
	int max = find_max(arr, len);
	
	int next_largest = 0;
	for (int i = 0; i < len; i++) {
        if (next_largest < arr[i] && arr[i] < max) next_largest = arr[i];
	}
	
	printf("%d\n", next_largest);
	
    return 0;
}

 
 
/*
run:
 
7

*/

 

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