program c ******問題

for (int i=10;i>0;i--){ //created 10 lines start 0 - 10
for (int j=i;j<11;j++){ //number of stars each time and depends on the first loop num
printf("*"); // print the shape...
}
printf("\n"); // finish one print
}

i don't know how to use only 1 printf lol but i used two...