View Compilation Error

0_0_8781736_16199.cpp: In function `void updata(int, int, int, int, int)':
0_0_8781736_16199.cpp:50: error: `dly' undeclared (first use this function)
0_0_8781736_16199.cpp:50: error: (Each undeclared identifier is reported only once for each function it appears in.)