View Compilation Error

0_0_9457268_5741.cpp: In function `void PrintHex(int)':
0_0_9457268_5741.cpp:11: error: return-statement with a value, in function returning 'void'
0_0_9457268_5741.cpp: In function `void PrintDen(int)':
0_0_9457268_5741.cpp:23: error: return-statement with a value, in function returning 'void'
0_0_9457268_5741.cpp: In function `int main()':
0_0_9457268_5741.cpp:33: error: void value not ignored as it ought to be
0_0_9457268_5741.cpp:35: error: void value not ignored as it ought to be