如题
思路:暴力就行了。1ms的暴力!!!别的牛人写出来的,我学而抄之~
1 int strStr(char* haystack, char* needle) { 2 if (!haystack || !needle) return -1; 3 for (int i = 0; ; ++i) { 4 for (int j = 0; ; ++j) { 5 if (needle[j] == 0) return i; 6 if (haystack[i + j] == 0) return -1; 7 if (haystack[i + j] != needle[j]) break; 8 } 9 } 10 }