Compilare: main.cpp: In function 'void intro()': main.cpp:46:38: warning: division by zero [-Wdiv-by-zero] slope[i][1] = (double) 1 / 0; ~~~~~~~~~~~^~~ main.cpp: In function 'void Read(int&)': main.cpp:28:42: 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), poz = 0; ^ main.cpp:33:42: 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), poz = 0; ^