foo.cc: In function ‘int main()’:
foo.cc:10:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
   10 |         for(int i=0;i<strlen(c);i++)
      |                     ~^~~~~~~~~~
foo.cc:12:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
   12 |                 if(a>=strlen(k))a=0;
      |                    ~^~~~~~~~~~~

正在同步测试数据，请稍后