View Compilation Error

0_0_11097799_27523.cpp: In function `int main()':
0_0_11097799_27523.cpp:4: error: `inta' undeclared (first use this function)
0_0_11097799_27523.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11097799_27523.cpp:4: error: `b' undeclared (first use this function)
0_0_11097799_27523.cpp:4: error: `n' undeclared (first use this function)
0_0_11097799_27523.cpp:4: error: `i' undeclared (first use this function)
0_0_11097799_27523.cpp:4: error: `k' undeclared (first use this function)
0_0_11097799_27523.cpp:10: error: `a' undeclared (first use this function)
0_0_11097799_27523.cpp:30: error: `elseprintf' undeclared (first use this function)
0_0_11097799_27523.cpp:32: error: `return0' undeclared (first use this function)