foo.cc: In function 'int main()':
foo.cc:5:1: error: 'inta' was not declared in this scope
 inta,b,c,t;
 ^~~~
foo.cc:5:1: note: suggested alternative: 'int'
 inta,b,c,t;
 ^~~~
 int
foo.cc:5:6: error: 'b' was not declared in this scope
 inta,b,c,t;
      ^
foo.cc:5:8: error: 'c' was not declared in this scope
 inta,b,c,t;
        ^
foo.cc:5:10: error: 't' was not declared in this scope
 inta,b,c,t;
          ^
foo.cc:5:10: note: suggested alternative: 'tm'
 inta,b,c,t;
          ^
          tm
foo.cc:6:6: error: 'a' was not declared in this scope
 cin>>a>>b>>c;
      ^

[Hydro](https://hydro.ac)提供评测服务