Compilare: main.cpp: In function 'void testCase()': main.cpp:94:37: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 94 | if (M[aux1].count() == k) | ~~~~~~~~~~~~~~~~^~~~ main.cpp:105:37: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 105 | if (M[aux1].count() == k) | ~~~~~~~~~~~~~~~~^~~~ main.cpp:115:37: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 115 | if (M[aux2].count() == k) | ~~~~~~~~~~~~~~~~^~~~ main.cpp:39:31: warning: unused variable 'aux3' [-Wunused-variable] 39 | int aux1, aux2, maxi = 0, aux3; | ^~~~