Compilare: user.cpp: In function ‘void printFile()’: user.cpp:80:45: warning: too many arguments for format [-Wformat-extra-args] fprintf(g, "2 %d\n", 2, p[2] / m); ^ user.cpp: In function ‘void readFile()’: user.cpp:48:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &m, &n); ^ user.cpp:53:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &nr); ^