Run id: 139533

Main.cc: In function 'int a(int)':
Main.cc:8:9: warning: unused variable 's' [-Wunused-variable]
     int s=0;
         ^
Main.cc: In function 'int main()':
Main.cc:17:11: warning: unused variable 'x' [-Wunused-variable]
     int n,x,s=0;
           ^
Main.cc:25:1: error: expected '}' at end of input
 }
 ^