Borderou de evaluare (job #696861)

Compilare: main.cpp: In function 'int main()': main.cpp:51:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 51 | freopen("ech.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:52:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 52 | freopen("ech.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 55 | scanf("%llu", &n); | ~~~~~^~~~~~~~~~~~