Borderou de evaluare (job #858101)

Compilare: main.cpp: In function 'int main()': main.cpp:40:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 40 | freopen("skyline.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:41:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 41 | freopen("skyline.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:43:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 43 | scanf("%d", &n); | ~~~~~^~~~~~~~~~ main.cpp:45:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 45 | scanf("%lld%lld", &height[i], &length[i]); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~