帮忙看看这个代码,该怎么处理

帮忙看看这个代码

C/C++ code

#include <iostream>#include <bitset>using namespace std;int main(){    bitset<100> bs;    for(unsigned int i=0;i!=bs.size();++i)        bs[i]=1;    try    {        bs.to_ulong();    }    catch(runtime_error err)    {        cout<<err.what()<<endl;    }    return 0;}

C:\Users\admin\Documents\1212.cpp||In function 'int main()':|
C:\Users\admin\Documents\1212.cpp|13|error: expected type-specifier before 'runtime_error'|
C:\Users\admin\Documents\1212.cpp|13|error: expected ')' before 'err'|
C:\Users\admin\Documents\1212.cpp|13|error: expected '{' before 'err'|
C:\Users\admin\Documents\1212.cpp|13|error: 'err' was not declared in this scope|
C:\Users\admin\Documents\1212.cpp|13|error: expected ';' before ')' token|
||=== Build finished: 5 errors, 0 warnings ===|


[解决办法]
如果你用的是GCC编译器,头文件加
#include <stdexcept>

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