aboutsummaryrefslogtreecommitdiff
path: root/word_subsets.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'word_subsets.cpp')
-rw-r--r--word_subsets.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/word_subsets.cpp b/word_subsets.cpp
new file mode 100644
index 0000000..ea4c1f9
--- /dev/null
+++ b/word_subsets.cpp
@@ -0,0 +1,34 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ vector<string> wordSubsets(vector<string> &words1, vector<string> &words2) {
+ int bFreq[26] = {0}, check[26] = {0};
+ int cMax = 0;
+ vector<string> ans;
+ for (string word : words2) {
+ for (char c : word)
+ check[c - 'a']++;
+ for (int j = 0; j < 26; j++) {
+ int diff = check[j] - bFreq[j];
+ if (diff > 0)
+ cMax += diff, bFreq[j] += diff;
+ }
+ if (cMax > 10)
+ return ans;
+ fill(check, check + 26, 0);
+ }
+ for (string word : words1) {
+ int j;
+ for (char c : word)
+ check[c - 'a']++;
+ for (j = 0; j < 26; j++)
+ if (check[j] < bFreq[j])
+ break;
+ if (j == 26)
+ ans.push_back(word);
+ fill(check, check + 26, 0);
+ }
+ return ans;
+ }
+};