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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#648234 | #6430. Monster Hunter | shabi666# | WA | 1ms | 5724kb | C++20 | 2.4kb | 2024-10-17 17:48:21 | 2024-10-17 17:48:21 |
Judging History
answer
#include <bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;
const int N = 2e3 + 5;
vector<int> edges[N];
int f[N][N][2], g[N];
int t[N][2];
int cnt[N];
int sz[N];
int hp[N];
void dfs0(int u) {
g[u] = hp[u];
sz[u] = 1;
for (int v : edges[u]) {
g[u] += hp[v];
}
for (int v : edges[u]) {
dfs0(v);
sz[u] += sz[v];
g[u] += g[v];
}
}
void dfs(int u, int n) {
cnt[u] = 1;
for (int i = 0; i <= n; i++) {
f[u][i][0] = f[u][i][1] = 1e2;
}
// f[u][0][0] = g[u];
// f[u][1][1] = g[u] - hp[u];
// f[u][sz[u]][1] = 0;
// f[u][sz[u] - 1][0] = hp[u];
f[u][0][0] = hp[u];
f[u][1][1] = 0;
for (int v : edges[u]) {
dfs(v, n);
for (int j = 0; j <= cnt[u] + cnt[v]; j++) {
t[j][0] = f[u][j][0];
t[j][1] = f[u][j][1];
}
for (int j = cnt[u] + cnt[v]; j >= 0; j--) {
for (int k = 0; k <= min(cnt[v], j); k++) {
if (k == 0) {
f[u][j][1] = f[u][j - k][1] + min(f[v][k][0], f[v][k][1]);
f[u][j][0] = f[u][j - k][0] + min(f[v][k][0] + hp[v], f[v][k][1]);
}
else {
f[u][j][1] = min(f[u][j][1], f[u][j - k][1] + min(f[v][k][0], f[v][k][1]));
f[u][j][0] = min(f[u][j][0], f[u][j - k][0] + min(f[v][k][0] + hp[v], f[v][k][1]));
}
}
}
// cout << u << " " << v << endl;
// for (int j = 0; j <= sz[u]; j++) {
// cout << f[u][j][0] << " " << f[u][j][1] << endl;
// }
cnt[u] += cnt[v];
}
}
void solve() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
edges[i].clear();
for (int j = 0; j <= n; j++) {
f[i][j][0] = f[i][j][1] = 0;
}
}
for (int i = 2; i <= n; i++) {
int p;
cin >> p;
edges[p].emplace_back(i);
}
for (int i = 1; i <= n; i++) {
cin >> hp[i];
}
dfs0(1);
dfs(1, n);
for (int i = 0; i <= n; i++) {
cout << min(f[1][i][0], f[1][i][1]) << " \n"[i == n];
}
}
signed main() {
ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int T = 1;
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: 5724kb
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: 0ms
memory: 3712kb
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: 1ms
memory: 3712kb
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:
1000 900 800 700 600 500 400 300 200 100 0 500 400 300 200 100 0 700 600 500 400 300 200 100 0 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 200 100 0 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 1600 1500 1400 1300 1200 1100 1000 900 ...
result:
wrong answer 1st words differ - expected: '11644969567', found: '1000'