📘 Day 14 – Teacher's Day Challenge | Word Capitalization

🗓️ Date: August 07, 2025
🧩 Platform: Codeforces
🔢 Problems Solved Today: 1
🎯 Focus Topic: String Manipulation

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🔗 Table of Contents

• Problem 1 – Word Capitalization

• Daily Summary

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🧩 Problem 1 – Word Capitalization

📚 Difficulty: Easy
🧠 Concepts: String Manipulation

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📄 Problem Statement (Summary):
Capitalize the first letter of the input word. All other letters must remain unchanged.

🔢 Input Format:
A single word (string) containing only English lowercase and/or uppercase letters.

🧾 Output Format:
The word with its first character capitalized.

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🔍 Example 1:
Input:
ApPLe
Output:
ApPLe

🔍 Example 2:
Input:
konjac
Output:
Konjac

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💡 Approach:

• Take input string.

• Convert the first character to uppercase using toupper().

• Print the modified string.

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🧪 Code (C++):

#include <iostream>
#include <string>
using namespace std;
int main()
{
    string str;
    cin >> str;
    str[0] = toupper(str[0]);
    cout << str;
    return 0;
}

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📸 Submission Screenshot:

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✅ Key Takeaways:

• You can modify characters directly in a string using indexing.

• toupper() function is useful for case conversion.

• Basic string manipulation problems help build fundamentals.

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📈 Daily Summary

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🏷️ Tags:
#codeforces #strings #beginner #cpp #dsa #43DaysChallenge