Compilare: main.cpp: In function 'void solve()': main.cpp:25:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < mines.size(); i++) { ~~^~~~~~~~~~~~~~ main.cpp:57:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses] for (int j = 0; j < N && j < indexZ || (j < N && angles[gold[j].second] == 0); j++) { ~~~~~~^~~~~~~~~~~~~