Convert alternate characters to capital letters

Problem statement:- Program to Convert alternate characters to capital letters.

Data requirement:-

   Input Data:- str

  Output Data:-str

  Additional Data:- i, j

Program in C

Here is the source code of the C Program to Convert alternate characters to capital letters.

Code:

#include<stdio.h>
#include<string.h>
int main()
{
    char str[30];
    printf("Enter your String:");
    scanf("%[^\n]",str);
    int i=0;
    int j=0;
    int len=sizeof(str)/sizeof(str[0]);
    for(i=0;i<len;i++)
    {
        if(j%2==1){
        if(str[i]>64 && str[i]<91 )
            str[i]+=32;
        }
        else{
            if(str[i]>96 && str[i]<123 )
            str[i]-=32;
        }

        if(str[i]==' ')
        {
          continue;
        }
        j++;
    }

    printf("After Converting String is :%s",str);
}

Input/Output:
Enter your String:cs info
After Converting String is :Cs InFo

Program in C++

Here is the source code of the C++ Program to Convert alternate characters to capital letters.

Code:

#include<iostream>
#include<cstring>
using namespace std;
int main()
{
    string str;
    cout<<"Enter your String:";
    getline(cin,str);
    int i=0;
    int j=0;
    int len=0;
    while(str[len]!='\0')
    {
        len++;
    }
    for(i=0;i<len;i++)
    {
        if(j%2==1){
        if(str[i]>64 && str[i]<91 )
            str[i]+=32;
        }
        else{
            if(str[i]>96 && str[i]<123 )
            str[i]-=32;
        }
        if(str[i]==' ')
        {
          continue;
        }
        j++;
    }

    cout<<"After Converting String is : "<<str;
}

Input/Output:
Enter your String:cSinfo com
After Converting String is : CsInFo CoM

Program in Java

Here is the source code of the Java Program to Convert alternate characters to capital letters.

Code:

import java.util.Scanner;
public class p8 {

public static void main(String[] args) {
Scanner cs=new Scanner(System.in);
String str1;
System.out.println("Enter your String:");
str1=cs.nextLine();
char[] str=str1.toCharArray();
int j=0;

for(int i=0;i<str.length;i++)
    {
        if(j%2==1){
        
if(str[i]>64 && str[i]<91 )
str[i]=(char)((int)str[i]+32);
        }
        else{
            if(str[i]>96 && str[i]<123 )
            str[i]=(char)((int)str[i]-32);
        }
        
        if(str[i]==' ')
        {
          continue;
        }
        j++;
    }
System.out.print("After Converting String is : ");
for(int i=0;i<str.length;i++)
System.out.print(str[i]);
cs.close();
}
}

Input/Output:
Enter your String:
program java c python
After Converting String is : PrOgRaM jAvA c PyThOn

Program in Python

Here is the source code of the Python Program to Convert alternate characters to capital letters.

Code:

str=input("Enter the String:")
j=0
newStr=""
for i in range(len(str)):
    if j%2==1:
        if str[i]>='A' and str[i]<='Z' :
            ch=chr(ord(str[i])+32)
            newStr=newStr+ch
        else:
            newStr=newStr+str[i]
    else:
        if str[i] >= 'a' and str[i] <= 'z':
            ch=chr(ord(str[i])-32)
            newStr=newStr+ch
        else:
            newStr=newStr+str[i]
    if str[i]==' ':
        continue
    j=j+1
print("After converting Your String is :", newStr)

Input/Output:
Enter the String:python java c plus plus
After converting Your String is : PyThOn JaVa C pLuS pLuS

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