View Compilation Error

0_0_11771074_25397.cpp: In function `int h()':
0_0_11771074_25397.cpp:3: error: `vis' undeclared (first use this function)
0_0_11771074_25397.cpp:3: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11771074_25397.cpp:3: error: `memset' undeclared (first use this function)
0_0_11771074_25397.cpp:5: error: `R' undeclared (first use this function)
0_0_11771074_25397.cpp:7: error: `col' undeclared (first use this function)
0_0_11771074_25397.cpp:13: error: `D' undeclared (first use this function)