Borderou de evaluare (job #762601)

Compilare: main.cpp: In function 'int read_int()': main.cpp:42:9: warning: variable 'sign' set but not used [-Wunused-but-set-variable] 42 | int sign = 1; | ^~~~ main.cpp:27:14: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 27 | fread(buffer, MAXB, 1, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:37:18: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 37 | fread(buffer, MAXB, 1, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:49:18: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 49 | fread(buffer, MAXB, 1, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:62:18: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 62 | fread(buffer, MAXB, 1, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~