blob: 19f18b14c64b41b39a4e9ce5ddb7291efa4fbf5d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// 3541. Find Most Frequent Vowel and Consonant
#include "leetcode.h"
/*
* you are given a string 's' consisting of lowercase english letters 'a' to
* 'z'. your task is to find the vowel with the maximum frequency, and find the
* consonant with the maximum frequency. return the sum of the two frequencies.
* note if multiple vowels or consonants have the same maximum frequency, you
* may choose any one of them. if there are no vowels or consonants in the
* string, consider their frequency as 0.
*/
int maxFreqSum(char *s) {
int freq[26] = {0}, n = strlen(s);
for (int i = 0; i < n; i++)
freq[s[i] - 'a']++;
static const int mask = 1 + (1 << ('e' - 'a')) + (1 << ('i' - 'a')) +
(1 << ('o' - 'a')) + (1 << ('u' - 'a'));
int max_v = 0, max_c = 0;
for (int i = 0; i < 26; i++) {
if (((1 << i) & mask))
max_v = fmax(max_v, freq[i]);
else
max_c = fmax(max_c, freq[i]);
}
return max_v + max_c;
}
int main() {
char *s1 = "successes", *s2 = "aeiaeia";
printf("%d\n", maxFreqSum(s1)); // expect: 6
printf("%d\n", maxFreqSum(s2)); // expect: 3
}
|