Thread: Sorting string alphabetically

  1. #1
    Registered User
    Join Date
    Jun 2018

    Sorting string alphabetically

    I need to sort a sting if capital and/or small letters in the orders of letters only, so that a caputal letter is first
    input: PrintCapitalLettersBeforeSmallLetters
    output: aaaBCeeeeeefiiLLlllmnoPprrrrSsstttttt

    I wrote a code but i only manage to order capital letters first:
    #include <stdio.h>
    #include <string.h>
    int main (void) {
    char string[] = "SimplYeAsyLearning";
    char temp;
    int i, j;
    int n = strlen(string);
    printf("String before sorting - %s \n", string);
    for (i = 0; i < n-1; i++) {
    for (j = i+1; j < n; j++) {
    if (string[i] > string[j]) {
    temp = string[i];
    string[i] = string[j];
    string[j] = temp;
    printf("String after sorting - %s \n", string);
    return 0;
    I need to make another comparison but I dontknow how.
    I can only use #include <stdio.h> inside the code

    Thank you!

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    > I can only use #include <stdio.h> inside the code
    But you've already included string.h and called strlen.

    Perhaps the answer is to write your own version of tolower()
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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