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string S = "abcdefx"; string T = "def"; int myIndex(string S,string T,int pos) { int i = pos; int j = 0; byte[] s = toByteArray(S); byte[] t = toByteArray(T); int slen = len(s); int tlen = len(t); while(i <= slen && j <= tlen) { //undefined: while // for(i <= slen && j <= tlen) { if (s[i] == s[j]) { i += 1; j += 1; }else{ i = i - j + 1; j = 0; } } if (j == tlen) { return i - tlen; } else { return 0; } } int res = myIndex(S,T,0); println(res);
The text was updated successfully, but these errors were encountered:
感谢反馈,GScript 目前并没有提供 while 关键字,可直接使用 for 循环替代。
GScript
while
for
目前暂不支持 += 语法和数组直接比较 s[i] == s[j] ,后续会逐步完善。
+=
s[i] == s[j]
调整后可运行的代码:
string S = "abcdefx"; string T = "def"; int myIndex(string S,string T,int pos) { int i = pos; int j = 0; byte[] s = toByteArray(S); byte[] t = toByteArray(T); int slen = len(s); int tlen = len(t); for(i <= slen && j <= tlen) { byte si = s[i]; byte sj = s[j]; if (si == sj) { i = i+1; j = j+1; }else{ i = i - j + 1; j = 0; } } if (j == tlen) { return i - tlen; } else { return slen-i; } } int res = myIndex(S,T,0); println(res);
Sorry, something went wrong.
//enhancement string str = "foo"; char[] ch = str.chars(); //转换为字符数组,可以通过index拿到单个字符 //or string s = str.get(index);
class Strings { string get(string str,int index) { byte[] bs = toByteArray(str); int idx = index; if(idx >= len(bs)) { return nil; }else { return toString(bs[idx: idx + 1]); } } } Strings s = Strings(); string foo = "foo"; string f = s.get(foo,0); println(f); //expected f = "f";
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The text was updated successfully, but these errors were encountered: