Borderou de evaluare (job #774801)

Compilare: main.cpp: In function 'char B()': main.cpp:10:14: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 10 | fread(s,1,Z,stdin),p=0; | ~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 41 | for(freopen("reginald.in","r",stdin),freopen("reginald.out","w",stdout),n=A();n--;) | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:41:49: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 41 | for(freopen("reginald.in","r",stdin),freopen("reginald.out","w",stdout),n=A();n--;) | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~