Borderou de evaluare (job #788772)

Compilare: main.cpp: In function 'int main()': main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 17 | for(int i = 1; i <= N; i++){ | ~~^~~~ main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 21 | for(int i = 1; i <= N; i++, u = !u){ | ~~^~~~ main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 27 | for(int j = 1; j <= N; j++){ | ~~^~~~