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// 2129. Capitalize the Title
#include "leetcode.h"
/*
* given a string 'title' consisting of one or more words separated by a single
* space. where each word consists of english letters. capitalise the string by
* changing the capitalisation of each word such that if the length of the word
* is 1 or 2 letters, change all letters to lowercase. otherwise,change the
* first letter to uppercase and the remaining letters to lowercase. return the
* capitalised title.
*/
void process(char *dest, char *src) {
int n = strlen(src);
if (n < 3)
for (int i = 0; i < n; i++)
dest[i] = tolower(src[i]);
else {
dest[0] = toupper(src[0]);
for (int i = 1; i < n; i++)
dest[i] = tolower(src[i]);
}
}
char *capitalizeTitle(char *title) {
int n = strlen(title), begin = 0;
char *ans = (char *)malloc((n + 1) * sizeof(char));
ans[n] = '\0';
for (int i = 0; i < n; i++)
if (title[i] == ' ') {
title[i] = '\0';
process(&ans[begin], &title[begin]);
ans[i] = ' ';
begin = i + 1;
}
process(&ans[begin], &title[begin]);
return ans;
}
int main() {
char *t1 = "capiTalIze tHe titLe", *t2 = "First leTTeR of EACH Word",
*t3 = "i lOve leetcode";
char *ct1 = capitalizeTitle(t1);
}
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