View Compilation Error

0_0_37111430_11866.cpp:45:5: error: stray '\243' in program
     return 0；
     ^
0_0_37111430_11866.cpp:45:5: error: stray '\273' in program
0_0_37111430_11866.cpp: In function 'int main()':
0_0_37111430_11866.cpp:11:15: error: 'atoi' was not declared in this scope
     n = atoi(s);
               ^
0_0_37111430_11866.cpp:46:1: error: expected ';' before '}' token
 }
 ^