QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #572127 | #8948. 报复社会 | dieselhuang | 0 | 10ms | 9748kb | C++14 | 934b | 2024-09-18 12:16:31 | 2024-09-18 12:16:32 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define GC() getchar()
#define PC(x) putchar(x)
int n, a[500010], fa[500010], hd[500010], nxt[500010];
struct A{
int fl, x;
};
int read(){
int res = 0;
char c;
do c = GC();
while(c < '0' || c > '9');
while(c >= '0' && c <= '9'){
res = (res << 3) + (res << 1) + c - '0';
c = GC();
}
return res;
}
int dfs(int u){
int v, x = 0;
if(hd[u] == 0) return 1 - (a[u] << 1);
for(v = hd[u]; v > 0; v = nxt[v]){
x += dfs(v);
}
if(x < 0 || n & 1) x--;
else x++;
return x;
}
void solve(){
int i;
A ans;
n = read();
for(i = 1; i <= n; i++) hd[i] = 0;
for(i = 2; i <= n; i++){
fa[i] = read();
nxt[i] = hd[fa[i]]; hd[fa[i]] = i;
}
for(i = 1; i <= n; i++) a[i] = read();
if(dfs(1) > 0){ PC('y'); PC('e'); PC('s'); }
else{ PC('n'); PC('o'); }
PC('\n');
}
int main()
{
int t;
t = read();
while(t--) solve();
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 9684kb
input:
1 19 1 2 3 3 2 6 7 7 6 6 6 2 2 2 1 1 1 1 0 0 0 0 0 0 0 1 1 0 0 1 1 1 1 0 0 0 0
output:
no
result:
wrong answer 1st words differ - expected: 'Bob', found: 'no'
Subtask #2:
score: 0
Wrong Answer
Test #50:
score: 0
Wrong Answer
time: 8ms
memory: 9748kb
input:
10000 49 1 2 2 1 5 5 5 5 5 5 1 12 12 12 12 12 12 1 19 19 19 19 19 19 19 1 27 27 1 1 31 1 33 33 33 33 33 33 33 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 1 1 1 1 1 1 1 1 1 1 50 1 2 2 2 2 2 1 8 8 8 1 12 1 1 15 15 15 15 1 1 21 21 21 21 1 26 1 1 29 29...
output:
no yes yes no no yes no no yes no no yes no no yes yes no no yes no no yes no yes no no no yes no no yes no no no yes yes no no yes no no no no yes no no yes no no no yes no no no no no yes no yes no yes no no no no no no yes no no no yes no no no no no yes yes no no no no no yes no no yes no no yes...
result:
wrong answer 1st words differ - expected: 'Bob', found: 'no'
Subtask #3:
score: 0
Wrong Answer
Test #73:
score: 0
Wrong Answer
time: 10ms
memory: 9744kb
input:
10000 50 1 2 1 4 5 6 5 4 9 4 11 4 1 14 15 16 16 16 15 14 21 21 21 14 14 14 14 14 1 30 30 30 30 30 1 36 37 37 37 36 41 41 41 36 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 1 1 1 1 1 1 1 1 0 1 0 1 0 1 0 0 0 0 1 0 0 0 0 1 1 0 1 0 1 50 1 2 3 4 5 4 7 8 7 4 11 12 11 14 11 16 11 18 11 4 21 4 4 4 3 ...
output:
yes yes yes yes no no yes no yes yes no no no yes no yes yes no no no no no yes no no no yes yes no no yes yes no no yes yes yes yes no yes no yes yes yes no no yes no no no no yes no yes no yes no no yes no yes yes yes no no no no no no yes no no yes no no yes yes no no no yes no no yes yes no no n...
result:
wrong answer 1st words differ - expected: 'Alice', found: 'yes'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%