#include <iostream>
#include <vector>
#include <string>

int main() {
    std::string s = "ADARSH";  // Example string
    std::vector<int> charIndex(128, -1); // 128 for ASCII characters, initialized to -1

    // Iterate over the string and store the first occurrence of each character
    for (int i = 0; i < s.length(); i++) {
        char currentChar = s[i];
        int asciiValue = (int)currentChar; // Get ASCII value

        // If this is the first occurrence of the character, store its index
        if (charIndex[asciiValue] == -1) {
            charIndex[asciiValue] = i;
        }
    }

    // Print the first occurrence of each character, skipping characters that never appeared (-1)
    std::cout << "Character\tASCII Value\tFirst Occurrence Index" << std::endl;
    for (int i = 0; i < 128; i++) { // Loop over all possible ASCII values (0-127)
        if (charIndex[i] != -1) {  // If the character appeared in the string
            char character = (char)i;  // Convert ASCII value back to character
            std::cout << character << "\t\t" << i << "\t\t" << charIndex[i] << std::endl;
        }
    }

    return 0;
}