Compilare: main.cpp: In function 'int main()': main.cpp:101:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses] while(!revQ.empty() && -revQ.top().sat >= v[i].b || (!revQ.empty() && !exist[revQ.top().index])){ ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Read(int&)': main.cpp:46:42: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(f, MAX, 1, IN), pos = 0; ^ main.cpp:51:42: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(f, MAX, 1, IN), pos = 0; ^