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View Compilation Error

0_0_27644468_8860\Main.java:1: 错误: 需要class, interface或enum
int main(){
^
0_0_27644468_8860\Main.java:1: 错误: 需要class, interface或enum
int main(){
    ^
0_0_27644468_8860\Main.java:2: 错误: 需要class, interface或enum
    int T;  cin >> T;
            ^
0_0_27644468_8860\Main.java:3: 错误: 需要class, interface或enum
    while(T--){
    ^
0_0_27644468_8860\Main.java:5: 错误: 需要class, interface或enum
        v.clear();
        ^
0_0_27644468_8860\Main.java:6: 错误: 需要class, interface或enum
        node u;
        ^
0_0_27644468_8860\Main.java:7: 错误: 需要class, interface或enum
        for(int i = 0; i < n; ++i){
        ^
0_0_27644468_8860\Main.java:7: 错误: 需要class, interface或enum
        for(int i = 0; i < n; ++i){
                       ^
0_0_27644468_8860\Main.java:7: 错误: 需要class, interface或enum
        for(int i = 0; i < n; ++i){
                              ^
0_0_27644468_8860\Main.java:9: 错误: 需要class, interface或enum
            v.push_back(u);
            ^
0_0_27644468_8860\Main.java:10: 错误: 需要class, interface或enum
        }
        ^
0_0_27644468_8860\Main.java:12: 错误: 需要class, interface或enum
        for(int i = 0; i < v.size(); ++i)
        ^
0_0_27644468_8860\Main.java:12: 错误: 需要class, interface或enum
        for(int i = 0; i < v.size(); ++i)
                       ^
0_0_27644468_8860\Main.java:12: 错误: 需要class, interface或enum
        for(int i = 0; i < v.size(); ++i)
                                     ^
0_0_27644468_8860\Main.java:14: 错误: 需要class, interface或enum
            else  cout << " " << v[i].s;
            ^
0_0_27644468_8860\Main.java:15: 错误: 需要class, interface或enum
        cout << endl;
        ^
0_0_27644468_8860\Main.java:16: 错误: 需要class, interface或enum
    }
    ^
0_0_27644468_8860\Main.java:18: 错误: 需要class, interface或enum
}
^
18 个错误


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