View Compilation Error

0_0_27206446_19661.cpp: In function 'int main()':
0_0_27206446_19661.cpp:24:19: error: 's' was not declared in this scope
     printf("%d\n",s);
                   ^
0_0_27206446_19661.cpp: At global scope:
0_0_27206446_19661.cpp:26:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_27206446_19661.cpp:27:1: error: expected declaration before '}' token
 }
 ^