比赛 |
不平凡的世界 |
评测结果 |
EAAAAETTTT |
题目名称 |
不平凡的许愿树 |
最终得分 |
40 |
用户昵称 |
Binary10 |
运行时间 |
25.065 s |
代码语言 |
C++ |
内存使用 |
97.88 MiB |
提交时间 |
2015-11-05 11:52:28 |
显示代码纯文本
#include<cstdio>
#include<iostream>
#include<cstring>
using namespace std;
const int MOD = 338;
const int maxn = 5010;
int a[maxn][maxn], n;
int main()
{
freopen("hopetree.in", "r", stdin);
freopen("hopetree.out", "w", stdout);
scanf("%d", &n);
memset(a, -1, sizeof(a));
int u, v;
for(int i = 1; i <= n - 1; i++){
scanf("%d%d", &u, &v);
a[u][v] = a[v][u] = 1;
}
for(int i = 1; i <= n; i++)
a[i][i] = 0;
for(int k = 1; k <= n; k++)
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
if(a[i][k] != -1 && a[k][j] != -1)
if(a[i][j] == -1) a[i][j] = a[i][k] + a[k][j];
else a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
int cnt = 0;
for(int i = 1; i <= n - 2; i++)
for(int j = i + 1; j <= n - 1; j++)
for(int k = j + 1; k <= n; k++)
if(a[i][j] == a[i][k] && a[i][j] == a[j][k])
cnt = (cnt + 1) % MOD;
printf("%d %d\n", cnt + 1, (cnt + 233) % MOD + 1);
return 0;
}