View Compilation Error

0_0_11090117_669.cpp: In function `void init()':
0_0_11090117_669.cpp:17: error: `k' undeclared (first use this function)
0_0_11090117_669.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11090117_669.cpp:17: error: expected `;' before "data"