Compilare: main.cpp: In function 'int main()': main.cpp:47:25: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 47 | for (int j = 1; j <= N; j++) | ~~^~~~ main.cpp:50:25: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 50 | for (int j = 1; j <= N; j++) | ~~^~~~ main.cpp:62:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 62 | for (int i = 1; i <= N; i++) | ~~^~~~ main.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 66 | for (int j = 1; j <= N; j++) { | ~~^~~~ main.cpp:74:20: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 74 | for(int i = 1; i <= K; i++) { | ~~^~~~