Compilare: user.cpp: In function ‘int main()’: user.cpp:74:35: warning: too many arguments for format [-Wformat-extra-args] fprintf(fout, "%d\n", nr, maxs); ^ user.cpp:40:25: warning: unused variable ‘ok’ [-Wunused-variable] int n, m, i, j, maxs, ok, dir, l, c, op, k; ^ user.cpp:40:44: warning: unused variable ‘k’ [-Wunused-variable] int n, m, i, j, maxs, ok, dir, l, c, op, k; ^ user.cpp:43:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &op, &n, &m); ^