摘要：https://blog.csdn.net/zr_lang/article/details/39962679 阅读全文

摘要：string s = to_string(num);/* std::string to_string(int value); (1) (C++11起) std::string to_string(long value); (2) (C++11起) std::string to_string(long 阅读全文

摘要：bool func(int a) { int tem=0,b=a; do{ tem=tem*10+a%10; a/=10; }while(a); if(tem==b) return true; else return false; } 阅读全文