foo.cc: In function ‘int main()’:
foo.cc:11:6: warning: ‘f’ may be used uninitialized [-Wmaybe-uninitialized]
   11 |     f=f+e;
      |     ~^~~~
foo.cc:6:17: note: ‘f’ was declared here
    6 |         float e,f,c,d,sum;
      |                 ^

正在同步测试数据，请稍后