View Compilation Error

0_0_6700648_149.cpp: In function `void cal()':
0_0_6700648_149.cpp:45: error: expected primary-expression before '/' token
0_0_6700648_149.cpp:45: error: expected primary-expression before "else"
0_0_6700648_149.cpp:45: error: expected `;' before "else"