View Compilation Error

0_0_7150832_13784.cpp:4: error: size of array `a' is too large
0_0_7150832_13784.cpp: In function `void fun(char)':
0_0_7150832_13784.cpp:18: error: `a' undeclared (first use this function)
0_0_7150832_13784.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7150832_13784.cpp: In function `int main()':
0_0_7150832_13784.cpp:29: error: `a' undeclared (first use this function)