Run id: 127005

Main.cc: In function 'int main()':
Main.cc:10:13: error: 'strien' was not declared in this scope
   l=strien(a)/2;
             ^
Main.cc:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=1;j<=strlen(a);j++)
                ^