#include <iostream>
#include <cstdlib>
using std::cout;
using std::endl;
using std::rand;
int man(){
int t=rand();
cout<<t<<endl;
return 0;
}
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这里是用c ++生成随机数的代码,我有错误
1>c:\users\david\documents\visual studio 2010\Projects\random_function\Debug\random_function.exe : fatal error LNK1120: 1 unresolved externals
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请帮忙