main()#include"stdio.h"main(){floatpeven(),podd(),dcall();floatsum;intn;while(1){　scanf("%d",&n);　if(n>1)　　break;}if(n%2==0){　printf("Even=");　sum=dcall(peven,n);}else{　printf("Odd=");　sum=dcall(podd,n);}printf("%f",sum);}floatpeven(intn){floats;inti;s=1;for(i=