View Compilation Error

0_0_4166294_15851.cpp: In function `int main()':
0_0_4166294_15851.cpp:90: error: `g' undeclared (first use this function)
0_0_4166294_15851.cpp:90: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4166294_15851.cpp:90: error: expected `;' before '}' token
0_0_4166294_15851.cpp:94: error: `k1' undeclared (first use this function)
0_0_4166294_15851.cpp:96: error: `k2' undeclared (first use this function)
0_0_4166294_15851.cpp: At global scope:
0_0_4166294_15851.cpp:104: error: expected declaration before '}' token