View Compilation Error

0_0_6197332_15311.cpp: In function `bool Judge(int)':
0_0_6197332_15311.cpp:5: error: `y0' undeclared (first use this function)
0_0_6197332_15311.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6197332_15311.cpp:6: error: stray '@' in program
0_0_6197332_15311.cpp:6: error: expected `)' before numeric constant