Compilare: main.c: In function 'main': main.c:9:15: warning: too many arguments for format [-Wformat-extra-args] fscanf(f, "&d", &a); fprintf(g, "&d", a); ^~~~ main.c:9:37: warning: too many arguments for format [-Wformat-extra-args] fscanf(f, "&d", &a); fprintf(g, "&d", a); ^~~~ main.c:10:15: warning: too many arguments for format [-Wformat-extra-args] fscanf(f, "&d", &b); fprintf(g, "&d", b); ^~~~ main.c:10:37: warning: too many arguments for format [-Wformat-extra-args] fscanf(f, "&d", &b); fprintf(g, "&d", b); ^~~~ main.c:9:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "&d", &a); fprintf(g, "&d", a); ^~~~~~~~~~~~~~~~~~~ main.c:10:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "&d", &b); fprintf(g, "&d", b); ^~~~~~~~~~~~~~~~~~~