View Compilation Error

0_0_4430186_19368.cpp: In function `int main(int, const char**)':
0_0_4430186_19368.cpp:244: error: `v' undeclared (first use this function)
0_0_4430186_19368.cpp:244: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4430186_19368.cpp:244: error: expected `;' before "int"
0_0_4430186_19368.cpp:246: error: `k' undeclared (first use this function)