Compilare: main.cpp: In function 'int main()': main.cpp:45:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 45 | for (size_t i = 0; i < n; i++) | ~~^~~ main.cpp:54:38: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 54 | if (!gol() and back().second == i - k) | ~~~~~~~~~~~~~~^~~~~~~~ main.cpp:58:15: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 58 | if (i >= -1 + k) | ~~^~~~~~~~~