Compilare: user.c: In function ‘main’: user.c:20:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘char *’ [-Wformat=] fscanf(fin, "%d", &v[i]); ^ user.c:24:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[v[st]]==0){ ^ user.c:31:5: warning: array subscript has type ‘char’ [-Wchar-subscripts] while((dr+1<n)&&(c[v[dr+1]]==1)){ ^ user.c:38:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(c[v[i-1]]==0){ ^ user.c:41:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] while((dr+1<n)&&(c[v[dr+1]]==1)){ ^ user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^ user.c:20:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^