438. 找到字符串中所有字母异位词

This commit is contained in:
2025-09-10 23:06:47 +08:00
parent ab592a9f3d
commit b0d0b61aa1

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@@ -18,7 +18,7 @@ public:
if(checkCnt(cnts, cntp)) { ret.push_back(0);} 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; int l = r - p.length() + 1;
cnts[s[l-1] - 'a']--; cnts[s[l-1] - 'a']--;
cnts[s[r] - 'a']++; cnts[s[r] - 'a']++;