please

i am getting error while connecting to database (com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: [help] (1)
DOUBT REGARDING PIZZA SLICE PROBLEM OF LONG CHALLENGE [help] (4)
RE(SIGFPE) [help] (3)
why code chef is showing wrong ans as my code ran in codeblocks?? [help] (2)
runtime error(sigsegv) [help] (1)
Can people PLEASE stop asking others to look at your code and help you find the error? ( 2 ) [general] (23)
bytelandian questions doubt [help] (2)
please correct this java vode(i am a begginer) [help] (1)
"lucky four" question problem [general] (2)
I'm new to codechef.And i just to know how it will be useful to me. [help] (2)
java project [help] (1)
Jarvis and Seven Segments,to see the question go to hackerearth ,nikhil15097 [general] (2)
Getting correct answer in my compiler but showing wrong answer when submiiting. [help] (3)
Please Help in UNICOURS [help] (2)
really need help [help] (4)
Solitaire problem [help] (5)
Colliding cannons [help] (1)
the code is not running on codechef can anyone find the error please this is the solution for the Temple Run Problem... [general] (2)
Please Correct my logic for SCHEDULE March 17 [general] (12)
Why am i getting WA In The Lead Game (Easy)? [general] (4)
johnny and the bean stalk-whats wrong in the code?? [help] (1)
uncle johny [help] (6)
Right triangle problem [help] (6)
how does this algorithm work ??? [help] (4)
The Way to a Friends House Is Never Too Long (POINTS)...wrong answer why???? [help] (1)
number game revisited NUMGAME2 [editorial] (7)
Number of Factors [general] (3)
The Lead Game ,plz tell the mistake ..i am getting the answer right.. [general] (1)
Sudoku Solver - C++ [help] (6)
wrong answer in adigit [general] (3)