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水水更健康#include <stdio.h> int main() { int n; while(scanf("%d",&n)>0){ bool h[3333]={0}; int t; bool k=1; for(int i=0;i<n;i++){ int T; scanf("%d",&T); if(!k)continue; if(i){ int c=((T-t)>>31)?t-T:T-t; if(!c||c>=n||h[c])k=0; else h[c]=1; } t=T; } printf(k?"Jolly\n":"Not jolly\n"); } return 0; } Followed by: Post your reply here: |
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