Compilare: main.cpp: In function 'void citire()': main.cpp:17:9: warning: unused variable 'x' [-Wunused-variable] 17 | int x,y; | ^ main.cpp:17:11: warning: unused variable 'y' [-Wunused-variable] 17 | int x,y; | ^ main.cpp: In function 'void apm()': main.cpp:83:22: warning: comparison of integer expressions of different signedness: 'std::vector<muchie>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 83 | if(sol.size()==n-1) return; | ~~~~~~~~~~^~~~~