Borderou de evaluare (job #589060)

Compilare: main.cpp: In function 'int main()': main.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 42 | freopen("tunel.in","r",stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 43 | freopen("tunel.out","w",stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:46:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 46 | scanf("%d%d%d%d",&c,&n,&m,&x); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:49:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 49 | scanf("%d",&p); | ~~~~~^~~~~~~~~ main.cpp:52:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 52 | scanf("%d",&j); | ~~~~~^~~~~~~~~