View Compilation Error

0_0_10500711_12049.cpp:2: error: stray '\163' in program
0_0_10500711_12049.cpp:2: error: stray '\172' in program
0_0_10500711_12049.cpp:2: error: expected `,' or `...' before "int"
0_0_10500711_12049.cpp: In function `int fun(int)':
0_0_10500711_12049.cpp:6: error: `n' undeclared (first use this function)
0_0_10500711_12049.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10500711_12049.cpp: In function `int main()':
0_0_10500711_12049.cpp:3: error: too many arguments to function `int fun(int)'
0_0_10500711_12049.cpp:20: error: at this point in file