0_0_22101960_26207\Main.java:1: 错误: 非法字符: '#'
#include <bits/stdc++.h>
^
0_0_22101960_26207\Main.java:1: 错误: 需要class, interface或enum
#include <bits/stdc++.h>
^
0_0_22101960_26207\Main.java:4: 错误: 需要class, interface或enum
typedef long long ll;
^
0_0_22101960_26207\Main.java:5: 错误: 需要class, interface或enum
const int INF = 0x3f3f3f3f;
^
0_0_22101960_26207\Main.java:6: 错误: 需要class, interface或enum
const int N = 1e5 + 5;
^
0_0_22101960_26207\Main.java:7: 错误: 需要class, interface或enum
const int M = 1e6 + 5;
^
0_0_22101960_26207\Main.java:9: 错误: 需要class, interface或enum
struct Edge
^
0_0_22101960_26207\Main.java:12: 错误: 需要class, interface或enum
void read()
^
0_0_22101960_26207\Main.java:15: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:19: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:22: 错误: 需要class, interface或enum
int head[N], fa[N], tot, n, m;
^
0_0_22101960_26207\Main.java:23: 错误: 需要class, interface或enum
int nxt[N * 2], to[N * 2], c[N * 2];
^
0_0_22101960_26207\Main.java:24: 错误: 需要class, interface或enum
ll ans;
^
0_0_22101960_26207\Main.java:26: 错误: 需要class, interface或enum
void init()
^
0_0_22101960_26207\Main.java:28: 错误: 需要class, interface或enum
for(int i = 1; i <= n; ++i)
^
0_0_22101960_26207\Main.java:28: 错误: 需要class, interface或enum
for(int i = 1; i <= n; ++i)
^
0_0_22101960_26207\Main.java:31: 错误: 需要class, interface或enum
fa[i] = i;
^
0_0_22101960_26207\Main.java:32: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:34: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:38: 错误: 需要class, interface或enum
to[tot] = v; nxt[tot] = head[u];
^
0_0_22101960_26207\Main.java:39: 错误: 需要class, interface或enum
c[tot] = w; head[u] = tot++;
^
0_0_22101960_26207\Main.java:39: 错误: 需要class, interface或enum
c[tot] = w; head[u] = tot++;
^
0_0_22101960_26207\Main.java:40: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:45: 错误: 需要class, interface或enum
for(int i = head[u]; ~i; i = nxt[i])
^
0_0_22101960_26207\Main.java:45: 错误: 需要class, interface或enum
for(int i = head[u]; ~i; i = nxt[i])
^
0_0_22101960_26207\Main.java:45: 错误: 需要class, interface或enum
for(int i = head[u]; ~i; i = nxt[i])
^
0_0_22101960_26207\Main.java:48: 错误: 需要class, interface或enum
if(v == fa) continue;
^
0_0_22101960_26207\Main.java:49: 错误: 需要class, interface或enum
int sum = dfs(v, u);
^
0_0_22101960_26207\Main.java:50: 错误: 需要class, interface或enum
son += sum;
^
0_0_22101960_26207\Main.java:51: 错误: 需要class, interface或enum
ans += 1LL * w * sum * (n - sum);
^
0_0_22101960_26207\Main.java:52: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:54: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:59: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:64: 错误: 需要class, interface或enum
if(u == v) return;
^
0_0_22101960_26207\Main.java:65: 错误: 需要class, interface或enum
fa[u] = v;
^
0_0_22101960_26207\Main.java:66: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:71: 错误: 需要class, interface或enum
scanf("%d", &T);
^
0_0_22101960_26207\Main.java:72: 错误: 需要class, interface或enum
while(T--)
^
0_0_22101960_26207\Main.java:75: 错误: 需要class, interface或enum
init();
^
0_0_22101960_26207\Main.java:76: 错误: 需要class, interface或enum
for(int i = 0; i < m; ++i)
^
0_0_22101960_26207\Main.java:76: 错误: 需要class, interface或enum
for(int i = 0; i < m; ++i)
^
0_0_22101960_26207\Main.java:76: 错误: 需要class, interface或enum
for(int i = 0; i < m; ++i)
^
0_0_22101960_26207\Main.java:78: 错误: 需要class, interface或enum
sort(edge, edge + m);
^
0_0_22101960_26207\Main.java:79: 错误: 需要class, interface或enum
ll cost = 0;
^
0_0_22101960_26207\Main.java:80: 错误: 需要class, interface或enum
for(int i = 0; i < m; ++i)
^
0_0_22101960_26207\Main.java:80: 错误: 需要class, interface或enum
for(int i = 0; i < m; ++i)
^
0_0_22101960_26207\Main.java:80: 错误: 需要class, interface或enum
for(int i = 0; i < m; ++i)
^
0_0_22101960_26207\Main.java:83: 错误: 需要class, interface或enum
if(Find(u) != Find(v))
^
0_0_22101960_26207\Main.java:86: 错误: 需要class, interface或enum
cost += edge[i].w;
^
0_0_22101960_26207\Main.java:87: 错误: 需要class, interface或enum
add_edge(u, v, edge[i].w);
^
0_0_22101960_26207\Main.java:88: 错误: 需要class, interface或enum
add_edge(v, u, edge[i].w);
^
0_0_22101960_26207\Main.java:89: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:92: 错误: 需要class, interface或enum
printf("%lld %.2lf\n", cost, 2.0 * ans / n / (n - 1));
^
0_0_22101960_26207\Main.java:93: 错误: 需要class, interface或enum
}
^
0_0_22101960_26207\Main.java:95: 错误: 需要class, interface或enum
}
^
55 个错误
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