In this article we will show you, How to write a C Program to Put Even and Odd Numbers in two Separate Arrays using For Loop, While Loop, Functions with example.
C Program to Put Even and Odd Numbers in two Separate Arrays
This program allows the user to enter the Size, and the row elements of One Dimensional Array.
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/* C Program to Put Even and Odd Numbers in two Separate Arrays */ #include<stdio.h> void PrintArray(int a[], int Size); int main() { int Size, i, a[10], Even[10], Odd[10]; int Even_Count = 0, Odd_Count = 0; printf("\n Please Enter the Size of an Array : "); scanf("%d", &Size); printf("\n Please Enter the Array Elements : "); for(i = 0; i < Size; i++) { scanf("%d", &a[i]); } for(i = 0; i < Size; i ++) { if(a[i] % 2 == 0) { Even[Even_Count] = a[i]; Even_Count++; } else { Odd[Odd_Count] = a[i]; Odd_Count++; } } printf("\n Total Number of Even Numbers in this Array = %d ", Even_Count); printf("\n Array Elements in Even Array : "); PrintArray(Even, Even_Count); printf("\n Total Number of Odd Numbers in this Array = %d ", Odd_Count); printf("\n Array Elements in Odd Array : "); PrintArray(Odd, Odd_Count); return 0; } void PrintArray(int a[], int Size) { int i; for(i = 0; i < Size; i++) { printf("%d \t ", a[i]); } printf("\n"); } |
OUTPUT
ANALYSIS
Here, For Loop will make sure that the number is between 0 and maximum size value. In this example, it will be from 0 to 4
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for(i = 0; i < Size; i ++) |
In the Next line, We declared the If statement
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if(a[i] % 2 == 0) { Even[Even_Count] = a[i]; Even_Count++; } |
Any number that is divisible by 2 is even number. If condition will check whether the remainder of the current array element divided by 2 is exactly equal to 0 or not.
- If the condition is True then it is an Even number. So compiler will assign that element to Even Array at first position, and next it will increment the Even_Count value.
- If the condition is False then it is an Odd number. So compiler will assign that element to Odd Array at first position, and next it will increment Odd_Count value.
void PrintArray(int a[], int Size) function is to print array elements in Even array, and Odd array
C Program to Put Even and Odd Numbers in two Separate Arrays using While Loop
This program is same as above but this time we used While Loop to Put Even and Odd Numbers in two Separate Arrays
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/* C Program to Put Even and Odd Numbers in two Separate Arrays */ #include<stdio.h> void PrintArray(int a[], int Size); int main() { int Size, i, j = 0, a[10], Even[10], Odd[10]; int Even_Count = 0, Odd_Count = 0; printf("\n Please Enter the Size of an Array : "); scanf("%d", &Size); printf("\n Please Enter the Array Elements : "); for(i = 0; i < Size; i++) { scanf("%d", &a[i]); } while(j < Size) { if(a[j] % 2 == 0) { Even[Even_Count] = a[j]; Even_Count++; } else { Odd[Odd_Count] = a[j]; Odd_Count++; } j++; } printf("\n Total Number of Even Numbers in this Array = %d ", Even_Count); printf("\n Array Elements in Even Array : "); PrintArray(Even, Even_Count); printf("\n Total Number of Odd Numbers in this Array = %d ", Odd_Count); printf("\n Array Elements in Odd Array : "); PrintArray(Odd, Odd_Count); return 0; } void PrintArray(int a[], int Size) { int i = 0; while(i < Size) { printf("%d \t ", a[i]); i++; } printf("\n"); } |
OUTPUT
C Program to Put Even and Odd Numbers in two Separate Arrays using Functions
This program is same as the first example, but we separated the logic to put even numbers, and odd numbers in separate arrays using Functions.
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/* C Program to Put Even and Odd Numbers in two Separate Arrays */ #include<stdio.h> void CountEvenNumbers(int a[], int Size); void CountOddNumbers(int a[], int Size); void PrintArray(int a[], int Size); int main() { int Size, i, a[10]; printf("\n Please Enter the Size of an Array : "); scanf("%d", &Size); printf("\n Please Enter the Array Elements : "); for(i = 0; i < Size; i++) { scanf("%d", &a[i]); } CountEvenNumbers(a, Size); CountOddNumbers(a, Size); return 0; } void CountEvenNumbers(int a[], int Size) { int i, Even[10], Even_Count = 0; printf("\n Array Elements in Even Array: "); for(i = 0; i < Size; i ++) { if(a[i] % 2 == 0) { Even[Even_Count] = a[i]; Even_Count++; } } PrintArray(Even, Even_Count); printf(" Total Number of Even Numbers in this Array = %d ", Even_Count); } void CountOddNumbers(int a[], int Size) { int i, Odd[10], Odd_Count = 0; printf("\n\n Array Elements in Odd Array : "); for(i = 0; i < Size; i ++) { if(a[i] % 2 != 0) { Odd[Odd_Count] = a[i]; Odd_Count++; } } PrintArray(Odd, Odd_Count); printf(" Total Number of Odd Numbers in this Array = %d ", Odd_Count); } void PrintArray(int a[], int Size) { int i; for(i = 0; i < Size; i++) { printf("%d \t ", a[i]); } printf("\n"); } |
OUTPUT
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