foo.cc: In function ‘int main()’:
foo.cc:11:10: warning: ‘j’ may be used uninitialized [-Wmaybe-uninitialized]
   11 |         j=j+a[i];
      |         ~^~~~~~~
foo.cc:6:11: note: ‘j’ was declared here
    6 |     float j;
      |           ^

正在同步测试数据，请稍后