438. 找到字符串中所有字母异位词

2025-09-10 23:06:47 +08:00
parent ab592a9f3d
commit b0d0b61aa1
1 changed files with 1 additions and 1 deletions
--- a/test009.cpp
+++ b/test009.cpp
@@ -18,7 +18,7 @@ public:

        if(checkCnt(cnts, cntp)) { ret.push_back(0);}

-        for(int r = p.length(); r < s.length(); r++){
+        for(int r = p.length(); r < s.length(); r++){ // sliding window
            int l = r - p.length() + 1;
            cnts[s[l-1] - 'a']--;
            cnts[s[r] - 'a']++;