Borderou de evaluare (job #178635)

Compilare: main.cpp: In function 'int main()': main.cpp:20:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] 20 | freopen ("cub.in","r",stdin); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:21:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] 21 | freopen ("cub.out","w",stdout); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:28:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 28 | scanf ("%d%d",&n,&m); | ~~~~~~^~~~~~~~~~~~~~ main.cpp:31:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 31 | scanf ("%d%d%d%d",&i,&j,&l,&c); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~