find kth max and min element in an array
#include <bits/stdc++.h>
using namespace std;
int main(){
const int size = 10;
int k = 3; //Can be any number smalled than size
int array[size] = {5,2,8,34,73,82,1,6,19,29};
sort(array,array+size);
int smallestKthElement = array[k-1];
int largestKthElement = array[size-k];
}find maximum number in array
#include <stdio.h>
int main() {
int i, n;
float arr[100];
printf("Enter the number of elements (1 to 100): ");
scanf("%d", &n);
for (i = 0; i < n; ++i) {
printf("Enter number%d: ", i + 1);
scanf("%f", &arr[i]);
}
// storing the largest number to arr[0]
for (i = 1; i < n; ++i) {
if (arr[0] < arr[i])
arr[0] = arr[i];
}
printf("Largest element = %.2f", arr[0]);
return 0;
}find maximum and second maximum number in array
#include <iostream>
int main()
{
std::cout << "Enter 5 numbers : ";
int arr[5];
for (int i = 0; i < 5; std::cin >> arr[i++]);
int max = arr[0], second = 0;
for (int i = 1; i < 5; i++)
if (arr[i] > max)
max = arr[i];
std::cout << "Maximum number : " << max << "n";
bool found = false;
for (int i = 0; i < 5; i++)
{
if (arr[i] == max)
continue;
else if (arr[i] > second)
{
second = arr[i];
found = true;
}
}
if (found)
std::cout << "Second maximum numbers : " << second;
else
std::cout << "Second maximum number not found.";
}Minimum and maximum element in an Array
def divideAndConquer_Max(arr, ind, len):
maximum = -1;
if (ind >= len - 2):
if (arr[ind] > arr[ind + 1]):
return arr[ind];
else:
return arr[ind + 1];
maximum = divideAndConquer_Max(arr, ind + 1, len);
if (arr[ind] > maximum):
return arr[ind];
else:
return maximum;
def divideAndConquer_Min(arr, ind, len):
minimum = 0;
if (ind >= len - 2):
if (arr[ind] < arr[ind + 1]):
return arr[ind];
else:
return arr[ind + 1];
minimum = divideAndConquer_Min(arr, ind + 1, len);
if (arr[ind] < minimum):
return arr[ind];
else:
return minimum;
if __name__ == '__main__':
minimum, maximum = 0, -1;
# array initialization
arr = [6, 4, 8, 90, 12, 56, 7, 1, 63];
maximum = divideAndConquer_Max(arr, 0, 9);
minimum = divideAndConquer_Min(arr, 0, 9);
print("The minimum number in the array is: ", minimum);
print("The maximum number in the array is: ", maximum);Copyright © 2021 Codeinu
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