View Compilation Error

0_0_4371705_11791.cpp: In function `int main()':
0_0_4371705_11791.cpp:17: error: `n' undeclared (first use this function)
0_0_4371705_11791.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4371705_11791.cpp:18: error: `kids' undeclared (first use this function)