<Codesignal> Proper Noun Correction

Easy

Proper nouns always begin with a capital letter, followed by small letters.

Correct a given proper noun so that it fits this statement.

Example

• For noun = "pARiS", the output should be
  properNounCorrection(noun) = "Paris";
• For noun = "John", the output should be
  properNounCorrection(noun) = "John".

Input/Output

• [execution time limit] 0.5 seconds (c)

• [input] string noun

  A string representing a proper noun with a mix of capital and small English letters.

  Guaranteed constraints:
  1 ≤ noun.length ≤ 10.

• [output] string

  • Corrected (if needed) noun.

[C] Syntax Tips

// Prints help message to the console
// Returns a string
char * helloWorld(char * name) {
    char * answer = malloc(strlen(name) + 8);
    printf("This prints to the console when you Run Tests");
    strcpy(answer, "Hello, ");
    strcat(answer, name);
    return answer;
}

---

Solution

char *properNounCorrection(char *noun)
{
	noun[0]=toupper(noun[0]);
	for(int i=1;i<strlen(noun);i++)
		noun[i]=tolower(noun[i]);

	return noun;
}