运行 ID: 107210

Main.cc: In function ‘void k(int, int)’:
Main.cc:6:16: error: ‘o’ was not declared in this scope
     if(b[p]==b[o]){
                ^
Main.cc: In function ‘int main()’:
Main.cc:17:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int o=1;o<=strlen(a);o+=2){
                ~^~~~~~~~~~~
Main.cc:23:11: error: expected primary-expression before ‘]’ token
         k[];
           ^
Main.cc:29:1: error: expected ‘}’ at end of input
 }
 ^