foo.cc: In function 'int main()':
foo.cc:6:2: error: 'cin' was not declared in this scope
6 | cin>>m>>n;
| ^~~
foo.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
1 | #include <cstdio>
+++ |+#include <iostream>
2 | using namespace std;
foo.cc:16:2: error: 'cout' was not declared in this scope
16 | cout<<n<<" "<<t;
| ^~~~
foo.cc:16:2: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
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