Compilare: main.cpp: In function 'int main()': main.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 42 | for(int i = 1; i <= n; i++) | ~~^~~~ main.cpp:43:26: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 43 | for(int j = 1; j <= m; j++) | ~~^~~~ main.cpp:48:35: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 48 | for(unsigned int i = 0; i < (1 << n); i++) | ~~^~~~~~~~~~