文件头:
#include<iostream>
#include<vector>
#include<math.h>
using namespaces std;
vc9 编译ok....

Compile Error

Main.cc: In function 'int main()':
Main.cc:69: error: 'getchar' was not declared in this scope
Main.cc:83: error: 'memset' was not declared in this scope
Main.cc:89: error: 'abs' was not declared in this scope