Compilare: main.cpp: In function 'void writeArray()': main.cpp:82:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i += 10) ~~^~~~~~~~~~ main.cpp: In function 'char getChar(FILE*)': main.cpp:22:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf, 1, BUF_SIZE, fin); ^