Given a string str consisting of alphabets, the task is to check whether the given string is starting with a Capital Letter or Not.
Examples:
Input: str = “neveropen”
Output: AcceptedInput: str = “neveropen”
Output: Not Accepted
Approach:
- Find the ASCII value of the first character of the string
- Check if this value lies in the range of [65, 90] or not
- If yes, print Accepted
- Else print Not Accepted
Below is the implementation of the above approach:
C++
// C++ program to accept String// starting with Capital letter#include <iostream>using namespace std;// Function to check if first// character is Capitalint checkIfStartsWithCapital(string str){ if (str[0] >= 'A' && str[0] <= 'Z') return 1; else return 0;}// Function to checkvoid check(string str){ if (checkIfStartsWithCapital(str)) cout << "Accepted\n"; else cout << "Not Accepted\n";}// Driver functionint main(){ string str = "neveropen"; check(str); str = "neveropen"; check(str); return 0;} |
Java
// Java program to accept String// starting with Capital letterclass GFG { // Function to check if first // character is Capital static int checkIfStartsWithCapital(String str) { if (str.charAt(0) >= 'A' && str.charAt(0) <= 'Z') return 1; else return 0; } // Function to check static void check(String str) { if (checkIfStartsWithCapital(str) == 1) System.out.println("Accepted"); else System.out.println("Not Accepted"); } // Driver function public static void main(String[] args) { String str = "neveropen"; check(str); str = "neveropen"; check(str); }}// This code is contributed by AnkitRai01 |
Python3
# Python3 program to accept String# starting with Capital letter# Function to check if first# character is Capitaldef checkIfStartsWithCapital(string): if (string[0] >= 'A' and string[0] <= 'Z'): return 1 else: return 0# Function to checkdef check(string): if (checkIfStartsWithCapital(string)): print("Accepted") else: print("Not Accepted")# Driver functionif __name__ == "__main__": string = "neveropen" check(string) string = "neveropen" check(string)# This code is contributed by AnkitRai01 |
C#
// C# program to accept String// starting with Capital letterusing System;class GFG { // Function to check if first // character is Capital static int checkIfStartsWithCapital(string str) { if (str[0] >= 'A' && str[0] <= 'Z') return 1; else return 0; } // Function to check static void check(string str) { if (checkIfStartsWithCapital(str) == 1) Console.WriteLine("Accepted"); else Console.WriteLine("Not Accepted"); } // Driver function public static void Main() { string str = "neveropen"; check(str); str = "neveropen"; check(str); }}// This code is contributed by AnkitRai01 |
Javascript
<script>// JavaScript program to accept String// starting with Capital letter// Function to check if first// character is Capitalfunction checkIfStartsWithCapital(str){ if (str[0] >= 'A' && str[0] <= 'Z') return 1; else return 0;}// Function to checkfunction check(str){ if (checkIfStartsWithCapital(str)) document.write( "Accepted<br>"); else document.write( "Not Accepted<br>");}// Driver functionvar str = "neveropen";check(str);str= "neveropen";check(str);</script> |
Output:
Accepted Not Accepted
Time complexity: O(1)
Auxiliary space: O(1)
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