Compilare: main.cpp: In function 'int main()': main.cpp:44:25: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 44 | for (int j = 1; j <= N; j++) | ~~^~~~ 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:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 59 | for (int i = 1; i <= N; i++) | ~~^~~~ main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 63 | for (int j = 1; j <= N; j++) { | ~~^~~~ main.cpp:71:20: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 71 | for(int i = 1; i <= K; i++) { | ~~^~~~