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为什么WA阿#include<stdio.h> int a[15]; void di(int n) { int t,i; if(n==0){ printf("NO\n"); return; } for(i=10;i>=0;i--)if(a[i]<=n)break; t=i; while(n>0) { n-=a[t]; t--; if(t<0)break; } if(n==0)printf("YES\n"); else printf("NO\n"); return; } int main() { int n,i; a[0]=1; for(i=1;i<=10;i++)a[i]=a[i-1]*i; scanf("%d",&n); while(n>=0) { di(n); scanf("%d",&n); } return 0; } Followed by: Post your reply here: |
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