How to insert the source code (for examle c++ java) into wikidpad without textformatting

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How to insert the source code (for example c++ java) into wikidpad without text formatting?
I used the <<pre  code >> to enclose source code which is has been formatted, but is not good

int main()
{
    FileOpen();
    InitAverageTime();
//	srand((unsigned)time(NULL));
//	InitPacket();
//  cout << blanketPacket[0].produceTime << endl;
//	PagingSimulation();
//	PrintRunTable();
//	CountAverageTime();
//    cout << "bulkn average time = " << averageTime << endl;
//    PrintResult();
    CountDoubleChange();
    PrintToFile();
	FileClose();
    return 0;
}