結果
問題 | No.1154 シュークリームゲーム(Hard) |
ユーザー | noimi |
提出日時 | 2020-07-08 23:30:20 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 12,811 bytes |
コンパイル時間 | 3,434 ms |
コンパイル使用メモリ | 237,760 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-05 02:41:25 |
合計ジャッジ時間 | 4,981 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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
6,820 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,816 KB |
testcase_16 | AC | 2 ms
6,816 KB |
testcase_17 | AC | 3 ms
6,820 KB |
testcase_18 | AC | 3 ms
6,816 KB |
testcase_19 | AC | 3 ms
6,820 KB |
testcase_20 | AC | 3 ms
6,816 KB |
testcase_21 | AC | 3 ms
6,816 KB |
testcase_22 | AC | 3 ms
6,820 KB |
testcase_23 | AC | 3 ms
6,816 KB |
testcase_24 | AC | 3 ms
6,820 KB |
testcase_25 | AC | 3 ms
6,820 KB |
testcase_26 | AC | 3 ms
6,820 KB |
testcase_27 | AC | 3 ms
6,820 KB |
testcase_28 | AC | 3 ms
6,816 KB |
testcase_29 | AC | 3 ms
6,816 KB |
testcase_30 | AC | 3 ms
6,816 KB |
testcase_31 | AC | 3 ms
6,820 KB |
testcase_32 | AC | 3 ms
6,820 KB |
testcase_33 | AC | 3 ms
6,816 KB |
testcase_34 | AC | 3 ms
6,820 KB |
testcase_35 | AC | 3 ms
6,820 KB |
testcase_36 | AC | 3 ms
6,816 KB |
testcase_37 | AC | 3 ms
6,820 KB |
testcase_38 | AC | 2 ms
6,816 KB |
testcase_39 | AC | 2 ms
6,820 KB |
testcase_40 | AC | 3 ms
6,816 KB |
testcase_41 | AC | 3 ms
6,816 KB |
コンパイルメッセージ
main.cpp:327:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 327 | main() { | ^~~~
ソースコード
#pragma region Macros #pragma GCC optimize("O3") #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 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 Size(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(); } template <class T> void scan(T a) { cin >> a; } 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(char a[]) { scanf("%s", a); } void scan(string &a) { cin >> a; } template <class T> void scan(vector<T> &); template <class T, size_t size> void scan(array<T, size> &); template <class T, class L> void scan(pair<T, L> &); template <class T, size_t size> void scan(T (&)[size]); template <class T> void scan(vector<T> &a) { for(auto &i : a) scan(i); } template <class T> void scan(deque<T> &a) { for(auto &i : a) scan(i); } template <class T, size_t size> void scan(array<T, size> &a) { for(auto &i : a) scan(i); } template <class T, class L> void scan(pair<T, L> &p) { scan(p.first); scan(p.second); } template <class T, size_t size> void scan(T (&a)[size]) { 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; } vector<int> divisor(int x) { vector<int> ans; for(int 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); } 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; 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) { if(n == -1) n = this->size() - 1; int a, b; while(n--) { cin >> a >> b; Graph::add(a - offset, b - offset); } } }; 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; while(n--) { cin >> a >> b; Graph::add(a - offset, b - offset); } } }; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(15); } } setup_io; #pragma endregion // _________コーディングはここから!!___________ main() { INT(n); VEC(ll, a, n); Graph g(n); g.read(); ll ans = 0; auto dfs = [&](auto &&f, int x, int p) -> set<ll> { set<ll> v; for(auto e : g[x]) if(e != p) { auto nxt = f(f, e, x); if(nxt.size() > v.size()) swap(nxt, v); v.merge(nxt); } ll now = a[x]; bool turn = true; while(!v.empty()) { if(turn) { if(*v.rbegin() < now) break; now -= *v.rbegin(); turn = false; } else { now += *v.rbegin(); turn = true; } v.erase(*(--v.end())); } if(!turn) { if(n & 1) ans -= now; else ans += now; return set<ll>(); } else { v.emplace(now); return v; } }; auto res = dfs(dfs, 0, -1); ll t = 1; for(auto it = res.rbegin(); it != res.rend(); it++) { ans += t * (*it); t *= -1; } cout << ans << endl; }