/tmp/compiler_7qbvscgg/src: 在函数‘main’中: /tmp/compiler_7qbvscgg/src:8:10: 警告：格式 ‘%s’ expects argument of type ‘char ’, but argument 2 has type ‘char ()[101]’ [-Wformat=] scanf("%s",&b); ~^ ~~ /tmp/compiler_7qbvscgg/src:22:2: 错误：unknown type name ‘bool’; did you mean ‘_Bool’? bool f=0; ^~~~ _Bool