0_0_38962907_13506.cpp: In function 'int main()':
0_0_38962907_13506.cpp:68:17: error: 'cout' was not declared in this scope
68 | cout<<-1<<endl;
| ^~~~
0_0_38962907_13506.cpp:4:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
3 | #include <algorithm>
+++ |+#include <iostream>
4 | using namespace std;
0_0_38962907_13506.cpp:68:27: error: 'endl' was not declared in this scope
68 | cout<<-1<<endl;
| ^~~~
0_0_38962907_13506.cpp:4:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
3 | #include <algorithm>
+++ |+#include <ostream>
4 | using namespace std;
0_0_38962907_13506.cpp:72:17: error: 'cout' was not declared in this scope
72 | cout<<res<<endl;// 并查集+枚举 // find the most comfortable road
| ^~~~
0_0_38962907_13506.cpp:72:17: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_38962907_13506.cpp:72:28: error: 'endl' was not declared in this scope
72 | cout<<res<<endl;// 并查集+枚举 // find the most comfortable road
| ^~~~
0_0_38962907_13506.cpp:72:28: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
|
