Compilare: main.cpp:108:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] ofbuffer fout("dijkstra.out"); ^ main.cpp: In member function 'void InputReader::adv()': main.cpp:22:54: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, sizeof(char), BUFF_SIZE, fin); ^