Hdu--2515 (规律)

2014-07-08 21:52:31

详情:黑书

 1 #include <cstdio>
 2 #include <cstring>
 3 #include <iostream>
 4 #include <algorithm>
 5 using namespace std;
 6 int main(){
 7     int tmp,n,sum,s[5000],hash[10005],num[55],cnt = 0;
 8     memset(hash,0,sizeof(hash));
 9     scanf("%d",&n);
10     sum = n * (n - 1) / 2;
11     for(int i = 0; i < sum; ++i){
12         scanf("%d",&s[i]);
13         hash[s[i]] = 1;
14     }
15     sort(s,s + sum);
16     for(int i = 2; i < sum; ++i){
17         tmp = s[0] + s[1] - s[i];
18         if((int)(1.0 * tmp) / 2 == tmp / 2){
19             int a = tmp / 2;
20             while(cnt < n){
21                 for(int j = 0; j < cnt; ++j)    hash[a + num[j]] = 0;
22                 num[cnt++] = a;
23                 for(int j = 0; j < sum; ++j)
24                     if(hash[s[j]]){
25                         a = s[j] - num[0];
26                         break;
27                     }
28             }
29             break;
30         }
31     }
32     for(int i = 0; i < cnt; ++i)
33         printf("%d\n",num[i]);
34     return 0;
35 }

 

posted @ 2014-07-08 21:53  Naturain  阅读(141)  评论(0编辑  收藏  举报