Borderou de evaluare (job #746015)

Compilare: main.cpp: In function 'int main()': main.cpp:67:22: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 67 | while(unselected > n - 2){ | ~~~~~~~~~~~^~~~~~~ main.cpp:80:50: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 80 | sol.push_back(connections[unselected == n - 2 ? sol[0] : sol.back()][0][1]); | ~~~~~~~~~~~^~~~~~~~ main.cpp:83:50: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 83 | sol.push_back(connections[unselected == n - 2 ? sol[0] : sol.back()][0][0]); | ~~~~~~~~~~~^~~~~~~~ main.cpp:46:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 46 | freopen("sudoku1.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:47:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 47 | freopen("sudoku1.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:48:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 48 | scanf("%d%llu", &n, &k); | ~~~~~^~~~~~~~~~~~~~~~~~