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审题要注意了,关键词是take on all the values 1 through n-1,差的绝对值要取到1到n-1的所有值看了2眼以为差不大于n,果真我以为的只是我以为的。弱到爆~~~ #include<iostream> #include<stdio.h> #include<math.h> #include<stdlib.h> #include<string> #include<string.h> #include<algorithm> #define N 3001 using namespace std; int s[N]; int main() { int n,a,b,tmp,i; while(scanf("%d",&n)!=EOF) { memset(s,0,sizeof(s)); b=0; for(i=0;i<n;i++) { scanf("%d",&a); tmp=abs(a-b); s[tmp]=1; b=a; } for(i=1;i<n;i++) if(!s[i])break; if(n==i) puts("Jolly"); else puts("Not jolly"); } return 0; } Followed by: Post your reply here: |
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