Compilare: user.c: In function ‘main’: user.c:30:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘long long int *’ [-Wformat=] freopen("domino.in","r",stdin),freopen("domino.out","w",stdout),scanf("%d\n",&n); ^ user.c:34:13: warning: assignment from incompatible pointer type [enabled by default] h[i]=(int*)malloc(f[i]*sizeof(int)); ^ user.c:40:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d\n",(z=N())); ^ user.c:63:17: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] f[10*l[o-1]+l[o]]--,printf("%d 0\n",h[10*l[o-1]+l[o]][f[10*l[o-1]+l[o]]]+1); ^ user.c:65:17: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] f[10*l[o]+l[o-1]]--,printf("%d 1\n",h[10*l[o]+l[o-1]][f[10*l[o]+l[o-1]]]+1); ^ user.c:30:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("domino.in","r",stdin),freopen("domino.out","w",stdout),scanf("%d\n",&n); ^ user.c:30:43: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("domino.in","r",stdin),freopen("domino.out","w",stdout),scanf("%d\n",&n); ^ user.c:30:74: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("domino.in","r",stdin),freopen("domino.out","w",stdout),scanf("%d\n",&n); ^ user.c:32:14: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(r,5,stdin),a[i]=r[0]-'0',b[i]=r[2]-'0',f[10*a[i]+b[i]]++; ^