foo.cc: In function 'int main()':
foo.cc:157:16: error: 'LLONG_MAX' was not declared in this scope
  157 |         PmX[i]=LLONG_MAX;
      |                ^~~~~~~~~
foo.cc:6:1: note: 'LLONG_MAX' is defined in header '<climits>'; did you forget to '#include <climits>'?
    5 | #include<queue>
  +++ |+#include <climits>
    6 | using namespace std;

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