Compilare: main.cpp: In function 'int main()': main.cpp:40:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 40 | for (size_t i = 0; i < n; i++) | ~~^~~ main.cpp:43:15: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 43 | if (i >= k) | ~~^~~~ main.cpp:53:38: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 53 | if (!gol() and back().second == i - k) | ~~~~~~~~~~~~~~^~~~~~~~