include <stdio. h> #f include <stdio h> void maino void maino int k. m n: int k. m. n float fk, fm fn float fk. fm fn float fact(int n) scanf("%d%d%d",&m,&n,&k) scanf("%d%d%d",&m, &n, &k) fk=1: fm= fact(m) for(=1;i<=k;i++) in= fact(n fk= fk"i: fk= fact(k) fm=1: printf(%fn", fm/(fn+fk) for(=1;i<=m;++) fm fm*i float fact(int n) fn=1. for(i=1;i≤=n;i++) float f= 1 fn〓fn*i printf( %fin ", fm/(fn+fk) or(i=1;i<=n;i++) f=fi return f# include <stdio.h> void main() { int k, m, n; float fk, fm, fn; scanf("%d%d%d", &m, &n, &k); fk=1; for(i=1; i<=k; i++) fk = fk*i; fm=1; for(i=1; i<=m; i++) fm = fm*i; fn=1; for(i=1; i<=n; i++) fn = fn*i; printf("%f\n", fm/(fn+fk)); } # include <stdio.h> void main() { int k, m, n; float fk, fm, fn; float fact(int n); scanf("%d%d%d", &m, &n, &k); fm = fact(m); fn = fact(n); fk = fact(k); printf("%f\n", fm/(fn+fk)); } float fact(int n) { int i; float f=1; for(i=1; i<=n; i++) f=f*i; return f; }