双击这个问题，应该会移到错误对应的地方，然后找到“--”，就文字理解，在“--”前，有个不合格的地址被用到的，可能是溢出或者什么的，最好是发代码出来！
申明函数需要分号，定义函数不能有分号int f(int x int y)后不能有分号
error: expected unqualified-id extern "C" { 通常为include该文件的头文件内类的声明处未加“;” 联系方式:emhhbmdfbGlhbmcxOTkxQDEyNi5jb20=
error: expected unqualified-id extern "C" { 通常为include该文件的头文件内类的声明处未加“;” 联系方式:emhhbmdfbGlhbmcxOTkxQDEyNi5jb20=
public int Print(LNode *head){ LNode *j; //新建一个指针，让它指向head，从而进行输出操作 j=head;while(j->next!=NULL){ printf("%d ",j->t);j=j->next;} int main(){ int n;LinkedList H;printf("输入单链表的长度（头插法）:");scanf("%d",&n);H=CreateLinkedListHead(n...
LinkQueue是一个类型，不是变量，你LinkQueue.rear怎么行？需要一个LinkQueue的实例才行
'b' was not declared in this scope 3 | int gcd(a, b) | ^gcd.c:3:13: error: expression list treated as compound expression in initializer [-fpermissive] 3 | int gcd(a, b) | ^gcd.c:6:1: error: expected unqualified-id before '{' token 6 | { | ^ 这...
mathconst.hpp:2:14: error: expected unqualified-id before numeric constant const double M_PI = 3.14159265358979323846; ^ This definition seems innocuous to me and the line is part of a math constant definition file included in a C++ library that compiles without trouble under Windows VC++17 an...
else { x[k]=0;//重置x[k],回溯 k=k-1;} } } int main() //去掉大括号 { int n;printf("输入皇后个数n:\n");scanf("%d",&n);},system("pause");return 0;}
花括号前面有fei法标识符。你看看花括号附近的代码语法有啥错误