View Compilation Error

0_0_1353509_22024.cpp: In function `int main()':
0_0_1353509_22024.cpp:25: error: `n' undeclared (first use this function)
0_0_1353509_22024.cpp:25: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1353509_22024.cpp:27: error: invalid types `int[int]' for array subscript