View Compilation Error

2_28141_2111139_11020.cpp:9:1: error: stray '\250' in program
 {  return (F(x) * 2 – F(x) * F(x - 1));
 ^
2_28141_2111139_11020.cpp:18:1: error: stray '\243' in program
 return 0；
 ^
2_28141_2111139_11020.cpp:18:1: error: stray '\273' in program
2_28141_2111139_11020.cpp: In function 'int G(int)':
2_28141_2111139_11020.cpp:9:22: error: expected ')' before 'C'
 {  return (F(x) * 2 – F(x) * F(x - 1));
                      ^
2_28141_2111139_11020.cpp: In function 'int main()':
2_28141_2111139_11020.cpp:19:1: error: expected ';' before '}' token
 }
 ^