View Compilation Error

0_0_18779473_15404.cpp:20:1: error: stray '\243' in program
 else printf("no\n")；
 ^
0_0_18779473_15404.cpp:20:1: error: stray '\273' in program
0_0_18779473_15404.cpp: In function 'int main()':
0_0_18779473_15404.cpp:18:7: error: 'n' was not declared in this scope
 if(i= n-1)
       ^
0_0_18779473_15404.cpp:21:1: error: expected ';' before '}' token
 }
 ^