Compilare: main.cpp: In function 'int main()': main.cpp:45:25: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 45 | for (int j = 1; j <= N; j++) | ~~^~~~ main.cpp:48:25: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 48 | for (int j = 1; j <= N; j++) | ~~^~~~ main.cpp:60:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 60 | for (int i = 1; i <= N; i++) | ~~^~~~ main.cpp:64:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 64 | for (int j = 1; j <= N; j++) { | ~~^~~~ main.cpp:72:20: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 72 | for(int i = 1; i <= K; i++) { | ~~^~~~