Compilare: user.c: In function ‘cmmmc’: user.c:54:2: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘int *’ [-Wformat=] fprintf(fout, "%d", &y[cmmc]); ^ user.c: In function ‘main’: user.c:63:3: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘int’ [-Wformat=] fscanf(fin, "%d\n", x[i]); ^ user.c:61:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:63:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d\n", x[i]); ^