foo.cc: In function 'int main()':
foo.cc:7:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'float*' [-Wformat=]
    7 |         scanf("%d,%d,%c",&a,&b,&c)
      |                ~^        ~~
      |                 |        |
      |                 int*     float*
      |                %e
foo.cc:7:20: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'float*' [-Wformat=]
    7 |         scanf("%d,%d,%c",&a,&b,&c)
      |                   ~^        ~~
      |                    |        |
      |                    int*     float*
      |                   %e
foo.cc:7:35: error: expected ';' before 'switch'
    7 |         scanf("%d,%d,%c",&a,&b,&c)
      |                                   ^
      |                                   ;
    8 |         switch(c){
      |         ~~~~~~                     

[Hydro](https://hydro.ac)提供评测服务