Compilare: user.cpp: In function ‘int main()’: user.cpp:16:16: warning: variable ‘l’ set but not used [-Wunused-but-set-variable] int g, w, e, l, i, c, j ; ^ user.cpp:17:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &g, &w ) ; ^ user.cpp:22:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &e, &c ) ; ^