#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// Splits a given line into "tokens" (an array of individual words).
// Splits the line on space characters.
// For example, when `line` is "dcc test.c -o test", the function returns
// the following array of strings:
// [
//   "dcc",
//   "test.c",
//   "-o",
//   "test"
// ]
char **tokenize_line(char *line, int *len);

int main(int argc, char *argv[]) {
    // TODO: Implement your code here!
}

// You should not need to modify or understand the following code.
// You are permitted to modify these functions if you would like, however.

// Given a string, removes the trailing newline (if one exists).
void remove_newline(char *str) {
    if (str[strlen(str) - 1] == '\n') {
        str[strlen(str) - 1] = '\0';
    }
}

char **tokenize_line(char *line, int *len) {
    remove_newline(line);
    char **tokens = NULL;
    int i = 0;

    for (char *token = strtok(line, " "); token != NULL;
         token = strtok(NULL, " ")) {
        tokens = realloc(tokens, (i + 1) * sizeof(char *));
        tokens[i] = token;
        i++;
    }
    *len = i;
    return tokens;
}