結果
| 問題 | No.1221 木 *= 3 |
| ユーザー |
 noimi
|
| 提出日時 | 2020-09-04 22:05:59 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 12,612 bytes |
| コンパイル時間 | 3,452 ms |
| コンパイル使用メモリ | 239,796 KB |
| 実行使用メモリ | 16,256 KB |
| 最終ジャッジ日時 | 2024-05-04 22:22:49 |
| 合計ジャッジ時間 | 5,554 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge2 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | AC | 2 ms
5,248 KB |
| testcase_01 | AC | 1 ms
5,376 KB |
| testcase_02 | AC | 2 ms
5,376 KB |
| testcase_03 | WA | - |
| testcase_04 | AC | 2 ms
5,376 KB |
| testcase_05 | AC | 1 ms
5,376 KB |
| testcase_06 | AC | 2 ms
5,376 KB |
| testcase_07 | WA | - |
| testcase_08 | AC | 58 ms
16,132 KB |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | AC | 50 ms
12,976 KB |
| testcase_15 | AC | 54 ms
13,104 KB |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | AC | 58 ms
12,748 KB |
| testcase_19 | WA | - |
| testcase_20 | WA | - |
| testcase_21 | WA | - |
コンパイルメッセージ
main.cpp:335:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
335 | main() {
| ^~~~
ソースコード
#pragma region Macros
#pragma GCC optimize("O3")
#pragma GCC target("avx2,avx")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define rep2(i, a, b) for(ll i = a; i <= b; ++i)
#define rep(i, n) for(ll i = 0; i < n; ++i)
#define rep3(i, a, b) for(ll i = a; i >= b; --i)
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define eb emplace_back
#define vi vector<int>
#define vll vector<ll>
#define vpi vector<pii>
#define vpll vector<pll>
#define overload2(_1, _2, name, ...) name
#define vec(type, name, ...) vector<type> name(__VA_ARGS__)
#define VEC(type, name, size) \
vector<type> name(size); \
IN(name)
#define vv(type, name, h, ...) vector<vector<type>> name(h, vector<type>(__VA_ARGS__))
#define VV(type, name, h, w) \
vector<vector<type>> name(h, vector<type>(w)); \
IN(name)
#define vvv(type, name, h, w, ...) vector<vector<vector<type>>> name(h, vector<vector<type>>(w, vector<type>(__VA_ARGS__)))
#define vvvv(type, name, a, b, c, ...) \
vector<vector<vector<vector<type>>>> name(a, vector<vector<vector<type>>>(b, vector<vector<type>>(c, vector<type>(__VA_ARGS__))))
#define fi first
#define se second
#define all(c) begin(c), end(c)
#define ios ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))
using namespace std;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
#define si(c) (int)(c).size()
#define INT(...) \
int __VA_ARGS__; \
IN(__VA_ARGS__)
#define LL(...) \
ll __VA_ARGS__; \
IN(__VA_ARGS__)
#define ULL(...) \
ull __VA_ARGS__; \
IN(__VA_ARGS__)
#define STR(...) \
string __VA_ARGS__; \
IN(__VA_ARGS__)
#define CHR(...) \
char __VA_ARGS__; \
IN(__VA_ARGS__)
#define DBL(...) \
double __VA_ARGS__; \
IN(__VA_ARGS__)
#define LD(...) \
ld __VA_ARGS__; \
IN(__VA_ARGS__)
int scan() { return getchar(); }
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(double &a) { cin >> a; }
void scan(long double &a) { cin >> a; }
void scan(string &a) { cin >> a; }
template <class T> void scan(vector<T> &);
template <class T> void scan(vector<T> &a) {
for(auto &i : a) scan(i);
}
template <class T> void scan(T &a) { cin >> a; }
void IN() {}
template <class Head, class... Tail> void IN(Head &head, Tail &... tail) {
scan(head);
IN(tail...);
}
string stin() {
string s;
cin >> s;
return s;
}
template <class T, class S> inline bool chmax(T &a, S b) {
if(a < b) {
a = b;
return 1;
}
return 0;
}
template <class T, class S> inline bool chmin(T &a, S b) {
if(a > b) {
a = b;
return 1;
}
return 0;
}
vi iota(int n) {
vi a(n);
iota(all(a), 0);
return a;
}
template <class T> void UNIQUE(vector<T> &x) {
sort(all(x));
x.erase(unique(all(x)), x.end());
}
int in() {
int x;
cin >> x;
return x;
}
ll lin() {
unsigned long long x;
cin >> x;
return x;
}
void print() { putchar(' '); }
void print(bool a) { cout << a; }
void print(int a) { cout << a; }
void print(long long a) { cout << a; }
void print(char a) { cout << a; }
void print(string &a) { cout << a; }
void print(double a) { cout << a; }
template <class T> void print(const vector<T> &);
template <class T, size_t size> void print(const array<T, size> &);
template <class T, class L> void print(const pair<T, L> &p);
template <class T, size_t size> void print(const T (&)[size]);
template <class T> void print(const vector<T> &a) {
if(a.empty()) return;
print(a[0]);
for(auto i = a.begin(); ++i != a.end();) {
cout << " ";
print(*i);
}
cout << endl;
}
template <class T> void print(const deque<T> &a) {
if(a.empty()) return;
print(a[0]);
for(auto i = a.begin(); ++i != a.end();) {
cout << " ";
print(*i);
}
}
template <class T, size_t size> void print(const array<T, size> &a) {
print(a[0]);
for(auto i = a.begin(); ++i != a.end();) {
cout << " ";
print(*i);
}
}
template <class T, class L> void print(const pair<T, L> &p) {
cout << '(';
print(p.first);
cout << ",";
print(p.second);
cout << ')';
}
template <class T> void print(set<T> &x) {
for(auto e : x) print(e), cout << " ";
cout << endl;
}
template <class T> void print(multiset<T> &x) {
for(auto e : x) print(e), cout << " ";
cout << endl;
}
template <class T, size_t size> void print(const T (&a)[size]) {
print(a[0]);
for(auto i = a; ++i != end(a);) {
cout << " ";
print(*i);
}
}
template <class T> void print(const T &a) { cout << a; }
int out() {
putchar('\n');
return 0;
}
template <class T> int out(const T &t) {
print(t);
putchar('\n');
return 0;
}
template <class Head, class... Tail> int out(const Head &head, const Tail &... tail) {
print(head);
putchar(' ');
out(tail...);
return 0;
}
ll gcd(ll a, ll b) {
while(b) {
ll c = b;
b = a % b;
a = c;
}
return a;
}
ll lcm(ll a, ll b) {
if(!a || !b) return 0;
return a * b / gcd(a, b);
}
vector<pll> factor(ll x) {
vector<pll> ans;
for(ll i = 2; i * i <= x; i++)
if(x % i == 0) {
ans.push_back({i, 1});
while((x /= i) % i == 0) ans.back().second++;
}
if(x != 1) ans.push_back({x, 1});
return ans;
}
template <class T> vector<T> divisor(T x) {
vector<T> ans;
for(T i = 1; i * i <= x; i++)
if(x % i == 0) {
ans.pb(i);
if(i * i != x) ans.pb(x / i);
}
return ans;
}
template <typename T> void zip(vector<T> &x) {
vector<T> y = x;
sort(all(y));
for(int i = 0; i < x.size(); ++i) { x[i] = lb(y, x[i]); }
}
int popcount(ll x) { return __builtin_popcountll(x); }
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int n) { return uniform_int_distribution<int>(0, n - 1)(rng); }
ll rndll(ll n) { return uniform_int_distribution<ll>(0, n - 1)(rng); }
template <typename T> void shuffle(vector<T> &v) {
rep3(i, v.size() - 1, 1) { swap(v[i], v[rnd(i)]); }
}
#define endl '\n'
vector<string> YES{"NO", "YES"};
vector<string> Yes{"No", "Yes"};
vector<string> yes{"no", "yes"};
#ifdef _LOCAL
#undef endl
#define debug(x) \
cout << #x << ": "; \
print(x); \
cout << endl;
void err() {}
template <class T> void err(const T &t) {
print(t);
cout << " ";
}
template <class Head, class... Tail> void err(const Head &head, const Tail &... tail) {
print(head);
putchar(' ');
out(tail...);
}
#else
#define debug(x)
template <class... T> void err(const T &...) {}
#endif
template <typename T> struct edge {
int from, to;
T cost;
int id;
edge(int to, T cost) : from(-1), to(to), cost(cost) {}
edge(int from, int to, T cost) : from(from), to(to), cost(cost) {}
edge(int from, int to, T cost, int id) : from(from), to(to), cost(cost), id(id) {}
edge &operator=(const int &x) {
to = x;
return *this;
}
operator int() const { return to; }
};
template <typename T> using Edges = vector<edge<T>>;
struct Graph : vector<vector<int>> {
using vector<vector<int>>::vector;
Graph(int n, int m) : vector(n) { read(m); }
inline void add(int a, int b, bool directed = false) {
(*this)[a].emplace_back(b);
if(!directed) (*this)[b].emplace_back(a);
}
void read(int n = -1, int offset = 1, bool directed = false) {
if(n == -1) n = this->size() - 1;
int a, b;
while(n--) {
cin >> a >> b;
Graph::add(a - offset, b - offset, directed);
}
}
};
template <typename T> struct WeightedGraph : vector<Edges<T>> {
using vector<Edges<T>>::vector;
inline void add(int a, int b, T c, bool directed = false) {
(*this)[a].emplace_back(b, c);
if(!directed) (*this)[b].emplace_back(a, c);
}
void read(int n = -1, int offset = 1) {
if(n == -1) n = this->size() - 1;
int a, b;
T c;
while(n--) {
cin >> a >> b >> c;
WeightedGraph::add(a - offset, b - offset, c);
}
}
};
struct Setup_io {
Setup_io() {
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cout << fixed << setprecision(15);
}
} setup_io;
#define i128 __int128_t
#define ull unsigned long long int
#define TEST \
INT(testcases); \
while(testcases--)
#pragma endregion
template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2;
// _________コーディングはここから！！___________
main() {
INT(n);
VEC(ll, a, n);
VEC(ll, b, n);
Graph g(n);
g.read();
vv(ll, dp, 2, n);
auto dfs = [&](auto &&f, int x, int p) -> void {
dp[0][x] = a[x];
for(auto e : g[x]) {
if(e == p) continue;
f(f, e, x);
dp[0][x] += max(dp[0][e], dp[1][e] + b[e]);
dp[1][x] += max(dp[0][e], dp[1][e] + b[e] + b[x]);
}
};
dfs(dfs, 0, -1);
cout << max(dp[0][0], dp[1][0]) << endl;
}