忘记分号:
括号不匹配:
拼写错误:
忘记包含头文件:
i.错误示例:int x = 5 int y = 10
ii.纠正方法:确保每一行的语句末尾都有分号,例如int x = 5; int y = 10;
i.错误示例:if (x > 5) { std::cout << "x is greater than 5";
ii.纠正方法:使用括号配对工具或养成良好的缩进习惯,确保每一对括号都正确闭合,例如if (x > 5) { std::cout << "x is greater than 5"; }
i.错误示例:intmain() { intx = 5; std::cout << "x is " << x; }
ii.纠正方法:仔细检查关键字和标识符的拼写,例如int main() { int x = 5; std::cout << "x is " << x; }
i.错误示例:int main() { cout << "Hello, World!"; }
ii.纠正方法:确保包含了所有使用的库或头文件,例如#include <iostream> int main() { std::cout << "Hello, World!"; }