Eroare de compilare: main.cpp: In function 'void afisare(node*)': main.cpp:140:9: error: 'cout' was not declared in this scope 140 | cout << p->valoare << ' '; | ^~~~ main.cpp:7:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 6 | #include <cmath> +++ |+#include <iostream> 7 | main.cpp:143:5: error: 'cout' was not declared in this scope 143 | cout << endl; | ^~~~ main.cpp:143:5: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp: In function 'node* mergeKLists(std::vector<node*>&)': main.cpp:171:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 171 | for (int i = 0; i < lists.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int minGroups(std::vector<std::vector<int> >&)': main.cpp:198:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 198 | for (int i = 0; i < intervals.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ Non zero exit status: 1