0_0_21646097_31920\Main.java:1: 错误: 非法字符: '#'
#include <bits/stdc++.h>
^
0_0_21646097_31920\Main.java:1: 错误: 需要class, interface或enum
#include <bits/stdc++.h>
^
0_0_21646097_31920\Main.java:4: 错误: 需要class, interface或enum
const int MAXN = 200000 + 7;
^
0_0_21646097_31920\Main.java:5: 错误: 需要class, interface或enum
int fa[MAXN], sz[MAXN];
^
0_0_21646097_31920\Main.java:7: 错误: 需要class, interface或enum
int main() {
^
0_0_21646097_31920\Main.java:9: 错误: 需要class, interface或enum
scanf("%d", &T);
^
0_0_21646097_31920\Main.java:10: 错误: 需要class, interface或enum
while(T--) {
^
0_0_21646097_31920\Main.java:12: 错误: 需要class, interface或enum
for(int i = 1; i <= n; ++i) { sz[i] = 1; }
^
0_0_21646097_31920\Main.java:12: 错误: 需要class, interface或enum
for(int i = 1; i <= n; ++i) { sz[i] = 1; }
^
0_0_21646097_31920\Main.java:12: 错误: 需要class, interface或enum
for(int i = 1; i <= n; ++i) { sz[i] = 1; }
^
0_0_21646097_31920\Main.java:12: 错误: 需要class, interface或enum
for(int i = 1; i <= n; ++i) { sz[i] = 1; }
^
0_0_21646097_31920\Main.java:13: 错误: 需要class, interface或enum
for(int i = 2; i <= n; ++i) {
^
0_0_21646097_31920\Main.java:13: 错误: 需要class, interface或enum
for(int i = 2; i <= n; ++i) {
^
0_0_21646097_31920\Main.java:15: 错误: 需要class, interface或enum
}
^
0_0_21646097_31920\Main.java:17: 错误: 需要class, interface或enum
for(int i = n; i >= 1; --i) {
^
0_0_21646097_31920\Main.java:17: 错误: 需要class, interface或enum
for(int i = n; i >= 1; --i) {
^
0_0_21646097_31920\Main.java:17: 错误: 需要class, interface或enum
for(int i = n; i >= 1; --i) {
^
0_0_21646097_31920\Main.java:19: 错误: 需要class, interface或enum
sz[fa[i]] += sz[i] & 1;
^
0_0_21646097_31920\Main.java:20: 错误: 需要class, interface或enum
}
^
0_0_21646097_31920\Main.java:22: 错误: 需要class, interface或enum
}
^
0_0_21646097_31920\Main.java:24: 错误: 需要class, interface或enum
}
^
21 个错误
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