I tried the first site,My test code compiled but i am unable to get the results as an output for my code.The message received is as follows. In strict mode, with -tused, Compile succeeded (but remember, the Comeau online compiler does not link).Compiled with C++0x extensions enabled. Your Comeau C/C++ test results are as follows: Comeau C/C++ 18.104.22.168 (Oct 6 2008 11:28:09) for ONLINE_EVALUATION_BETA2 Copyright 1988-2008 Comeau Computing. All rights reserved. MODE:strict errors C++ C++0x_extensions Kindly help me to check the results of my code too?