View Compilation Error

0_0_11807982_3477.c:2: error: variable-size type declared outside of any function
0_0_11807982_3477.c:2: error: variable-size type declared outside of any function
0_0_11807982_3477.c:4: error: syntax error before "solve"
0_0_11807982_3477.c: In function `main':
0_0_11807982_3477.c:11: error: syntax error before '/' token
0_0_11807982_3477.c:15: error: `bool' undeclared (first use in this function)
0_0_11807982_3477.c:15: error: (Each undeclared identifier is reported only once
0_0_11807982_3477.c:15: error: for each function it appears in.)
0_0_11807982_3477.c:15: error: syntax error before "ans"
0_0_11807982_3477.c:16: error: `ans' undeclared (first use in this function)