Additional code:

# include & ltstdio.h & gt

int main()

{

int a，b，c，d，e，s = 0；

{ for(a = 0； a & lt=9; a++)

for(b = 0； b & lt= 19; b++)

for(c = 0； c & lt=99; c++)

for(d = 0； d & lt= 199; d++)

for(e = 0； e & lt=999; e++)

{

if((a * 100+b * 50+c * 10+d * 5+e = = 999)& amp； & amp(a+b+c+d+e==99))

{printf("%d %d %d %d %d \n "，a，b，c，d，e)；

s+= 1； }

}}

printf("%d "，s)；

}

Additional operation result:

***5 13 solution

Temporary compilation, there may be some omissions, please adopt it.