Compilare: user.cpp: In function ‘char getChar(FILE*)’: user.cpp:79:31: 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, f); ^ user.cpp: In function ‘int main()’: user.cpp:108:27: warning: ‘tp’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, k, m, p, i, x, tp,st, dr, mij; ^