View Compilation Error

0_0_30576381_15473.cpp: In function 'bool DFS(int)':
0_0_30576381_15473.cpp:21:33: error: expected ')' before '(' token
    if (match[i] == -1 ||  && DFS(match[i])) {//要么增广路结束，要么递归地进行查找 
                                 ^
0_0_30576381_15473.cpp:21:30: error: label 'DFS' used but not defined
    if (match[i] == -1 ||  && DFS(match[i])) {//要么增广路结束，要么递归地进行查找 
                              ^
0_0_30576381_15473.cpp: In function 'int main()':
0_0_30576381_15473.cpp:45:39: error: 'memset' was not declared in this scope
   memset(matched,false,sizeof(matched));
                                       ^