记录详情

foo.cc: In function 'int main()':
foo.cc:7:9: warning: variable 'b' set but not used [-Wunused-but-set-variable]
 char a, b;
         ^

[Hydro](https://hydro.ac)提供评测服务

#	状态	耗时	内存占用
#1	Wrong Answer 0a1 > B	1ms	384.0 KiB
#2	Wrong Answer 0a1 > A \ No newline at end of	1ms	384.0 KiB

Wrong Answer