QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#603664 | #6430. Monster Hunter | lonelywolf | WA | 2ms | 3696kb | C++20 | 1.6kb | 2024-10-01 18:14:06 | 2024-10-01 18:14:07 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
void solve() {
int n;
cin >> n;
vector<vector<int>> adj(n + 1);
for (int i = 2; i <= n; i++) {
int p;
cin >> p;
adj[p].push_back(i);
}
vector<int> v(n + 1);
for (int i = 1; i <= n; i++) {
cin >> v[i];
}
vector<int> sz(n + 1);
vector<vector<int>> ans;
vector dp(n + 1, vector(n + 1, vector<int>(2, 1e9)));
function<void(int)> dfs = [&](int x) {
sz[x] = 1;
for (auto y : adj[x]) {
dfs(y);
sz[x] += sz[y];
}
dp[x][0][0] = v[x];
dp[x][1][1] = 0;
int p = 1;
for (auto y : adj[x]) {
vector ndp(sz[x] + 1, vector<int>(2, 1e9));
for (int i = p; i >= 0; i--) {
for (int j = 0; j <= sz[y] && i + j <= sz[x]; j++) {
ndp[i + j][0] = min(ndp[i + j][0], dp[x][i][0] + min(dp[y][j][1], dp[y][j][0] + v[y]));
ndp[i + j][1] = min(ndp[i + j][1], dp[x][i][1] + min(dp[y][j][1], dp[y][j][0]));
}
}
dp[x] = ndp;
// for (int i = p; i >= 0; i--) {
// for (int j = 0; j <= sz[y] && i + j <= sz[x]; j++) {
// dp[x][i + j][0] = min(dp[x][i + j][0], dp[x][i][0] + min(dp[y][j][1], dp[y][j][0] + v[y]));
// dp[x][i + j][1] = min(dp[x][i + j][1], dp[x][i][1] + min(dp[y][j][1], dp[y][j][0]));
// }
// }
p += sz[x];
}
};
dfs(1);
for (int i = 0; i <= n; i++) {
cout << min(dp[1][i][0], dp[1][i][1]) << " \n"[i == n];
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3572kb
input:
3 5 1 2 3 4 1 2 3 4 5 9 1 2 3 4 3 4 6 6 8 4 9 4 4 5 2 4 1 12 1 2 2 4 5 3 4 3 8 10 11 9 1 3 5 10 10 7 3 7 9 4 9
output:
29 16 9 4 1 0 74 47 35 25 15 11 7 3 1 0 145 115 93 73 55 42 32 22 14 8 4 1 0
result:
ok 29 tokens
Test #2:
score: 0
Accepted
time: 2ms
memory: 3636kb
input:
179 20 1 1 1 4 5 5 7 7 9 9 11 12 13 14 5 16 17 16 19 3 9 3 2 7 7 2 8 5 7 5 4 7 4 2 4 9 2 7 9 19 1 1 3 4 3 6 7 6 6 10 10 12 13 13 12 16 16 18 8 8 3 6 10 1 1 1 2 2 3 3 3 10 5 5 7 10 5 2 1 10 4 2 1 2 7 14 1 1 3 4 4 6 4 8 9 10 11 8 13 4 4 6 6 10 8 9 5 7 1 4 7 9 8 6 1 2 3 3 5 2 7 5 6 1 6 11 1 2 3 3 5 6 6...
output:
209 182 159 137 117 99 81 65 56 47 39 32 25 19 15 11 8 6 4 2 0 178 151 129 108 89 74 64 54 44 36 29 23 18 13 10 7 5 2 1 0 18 4 0 16 2 0 172 137 111 93 78 63 49 39 31 23 16 10 5 1 0 52 33 21 9 3 1 0 109 72 53 39 29 22 16 10 5 2 1 0 105 69 47 35 25 17 12 7 3 0 156 133 113 97 82 68 56 44 33 26 19 14 10...
result:
ok 2178 tokens
Test #3:
score: -100
Wrong Answer
time: 2ms
memory: 3696kb
input:
177 10 1 2 3 3 3 6 7 8 3 750920741 600457069 885939487 614833472 917972842 716271451 234536309 280049219 394290544 802674020 5 1 2 2 4 381361244 652246733 111336853 652733347 864548837 7 1 2 2 4 4 4 374076965 100213690 316923584 132783452 321143617 617096325 590521323 14 1 1 3 4 4 6 6 6 4 10 11 10 1...
output:
1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 628826853 234536309 0 1000000000 1000000000 1000000000 492698097 111336853 0 1000000000 1000000000 1000000000 1000000000 823784001 365780594 100213690 0 1000000000 1000000000 1000000000 1000000000 1000000000 1000...
result:
wrong answer 1st words differ - expected: '11644969567', found: '1000000000'