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// 1897. Redistribute Characters to Make All Strings Equal
#include "leetcode.h"
/*
* given an array of strings 'words' in one operation, pick two distinct indices
* 'i' and 'j' where 'words[i]' is a non empty string and ove any character from
* words[i] to any position in 'words[j]'. return 1 if you can make every string
* in 'words' equal using any number of operations, and 0 otherwise.
*/
bool makeEqual(char **words, int words_size) {
int n = words_size;
int *alpha = calloc(26, sizeof(int));
for (int i = 0; i < n; i++) {
int l = strlen(words[i]);
for (int j = 0; j < l; j++)
alpha[words[i][j] - 'a']++;
}
for (int i = 0; i < 26; i++)
if (alpha[i] % n)
return false;
return true;
}
int main() {
char **w1 = {"abc", "aabc", "bc"}, **w2 = {"ab", "a"};
printf("%d\n", makeEqual(w1, ARRAY_SIZE(w1))); // expect: 1
printf("%d\n", makeEqual(w2, ARRAY_SIZE(w2))); // expect: 0
}
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