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View Compilation Error

0_0_33303889_24744\Main.java:2: 错误: 非法的类型开始
public:
      ^
0_0_33303889_24744\Main.java:2: 错误: 需要';'
public:
       ^
0_0_33303889_24744\Main.java:3: 错误: 方法声明无效; 需要返回类型
    int ladderLength(string start, string end, unordered_set<string> &dict) {
        ^
0_0_33303889_24744\Main.java:3: 错误: 需要<标识符>
    int ladderLength(string start, string end, unordered_set<string> &dict) {
                                                                    ^
0_0_33303889_24744\Main.java:3: 错误: 需要';'
    int ladderLength(string start, string end, unordered_set<string> &dict) {
                                                                      ^
0_0_33303889_24744\Main.java:3: 错误: 非法的类型开始
    int ladderLength(string start, string end, unordered_set<string> &dict) {
                                                                          ^
0_0_33303889_24744\Main.java:3: 错误: 需要<标识符>
    int ladderLength(string start, string end, unordered_set<string> &dict) {
                                                                           ^
0_0_33303889_24744\Main.java:3: 错误: 需要';'
    int ladderLength(string start, string end, unordered_set<string> &dict) {
                                                                             ^
0_0_33303889_24744\Main.java:4: 错误: 需要<标识符>
        unordered_set<string> added;
                                   ^
0_0_33303889_24744\Main.java:8: 错误: 需要<标识符>
        q.push(start);
              ^
0_0_33303889_24744\Main.java:8: 错误: 需要<标识符>
        q.push(start);
                    ^
0_0_33303889_24744\Main.java:9: 错误: 需要<标识符>
        added.insert(start);
                    ^
0_0_33303889_24744\Main.java:9: 错误: 需要<标识符>
        added.insert(start);
                          ^
0_0_33303889_24744\Main.java:10: 错误: 非法的类型开始
        while(!q.empty()) 
        ^
0_0_33303889_24744\Main.java:10: 错误: 非法的类型开始
        while(!q.empty()) 
              ^
0_0_33303889_24744\Main.java:10: 错误: 需要')'
        while(!q.empty()) 
               ^
0_0_33303889_24744\Main.java:10: 错误: 需要';'
        while(!q.empty()) 
                ^
0_0_33303889_24744\Main.java:10: 错误: 方法声明无效; 需要返回类型
        while(!q.empty()) 
                 ^
0_0_33303889_24744\Main.java:10: 错误: 需要';'
        while(!q.empty()) 
                        ^
0_0_33303889_24744\Main.java:37: 错误: 非法的类型开始
     return 0;
     ^
0_0_33303889_24744\Main.java:37: 错误: 需要';'
     return 0;
           ^
0_0_33303889_24744\Main.java:39: 错误: 需要class, interface或enum
};
^
22 个错误


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