結果
問題 | No.1950 片道きゃっちぼーる |
ユーザー | Demystify |
提出日時 | 2022-05-20 23:05:31 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 349 ms / 3,000 ms |
コード長 | 7,085 bytes |
コンパイル時間 | 2,965 ms |
コンパイル使用メモリ | 235,260 KB |
実行使用メモリ | 85,968 KB |
最終ジャッジ日時 | 2024-09-20 09:29:32 |
合計ジャッジ時間 | 9,679 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 266 ms
85,968 KB |
testcase_04 | AC | 239 ms
61,232 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 260 ms
67,120 KB |
testcase_07 | AC | 184 ms
42,296 KB |
testcase_08 | AC | 192 ms
42,360 KB |
testcase_09 | AC | 221 ms
49,288 KB |
testcase_10 | AC | 223 ms
54,768 KB |
testcase_11 | AC | 266 ms
54,796 KB |
testcase_12 | AC | 228 ms
54,792 KB |
testcase_13 | AC | 265 ms
51,344 KB |
testcase_14 | AC | 246 ms
35,528 KB |
testcase_15 | AC | 349 ms
49,824 KB |
testcase_16 | AC | 253 ms
51,212 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 219 ms
47,712 KB |
testcase_19 | AC | 337 ms
49,888 KB |
testcase_20 | AC | 197 ms
42,260 KB |
testcase_21 | AC | 240 ms
37,676 KB |
testcase_22 | AC | 233 ms
36,284 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; // -------------------------------------------------------- #define FOR(i,l,r) for (ll i = (l); i < (r); ++i) #define RFOR(i,l,r) for (ll i = (r)-1; (l) <= i; --i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define SORT(c) sort(ALL(c)) #define RSORT(c) sort(RALL(c)) #define MIN(c) *min_element(ALL(c)) #define MAX(c) *max_element(ALL(c)) #define COUNT(c,v) count(ALL(c),(v)) #define SZ(c) ((ll)(c).size()) #define BIT(b,i) (((b)>>(i)) & 1) #define PCNT(b) __builtin_popcountll(b) #define P0(i) (((i) & 1) == 0) #define P1(i) (((i) & 1) == 1) #define LB(c,v) distance((c).begin(), lower_bound(ALL(c), (v))) #define UB(c,v) distance((c).begin(), upper_bound(ALL(c), (v))) #define UQ(c) SORT(c), (c).erase(unique(ALL(c)), (c).end()) #define elif else if #ifdef _LOCAL #define debug_bar cerr << "--------------------\n"; #define debug(x) cerr << "l." << __LINE__ << " : " << #x << " = " << (x) << '\n' #define debug_pair(x) cerr << "l." << __LINE__ << " : " << #x << " = (" << x.first << "," << x.second << ")\n"; template<class T> void debug_line(const vector<T>& ans, int l, int r, int L = 0) { cerr << "l." << L << " :"; for (int i = l; i < r; i++) { cerr << ' ' << ans[i]; } cerr << '\n'; } #else #define cerr if (false) cerr #define debug_bar #define debug(x) #define debug_pair(x) template<class T> void debug_line([[maybe_unused]] const vector<T>& ans, [[maybe_unused]] int l, [[maybe_unused]] int r, [[maybe_unused]] int L = 0) {} #endif template<class... T> void input(T&... a) { (cin >> ... >> a); } void print() { cout << '\n'; } template<class T> void print(const T& a) { cout << a << '\n'; } template<class T, class... Ts> void print(const T& a, const Ts&... b) { cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } template<class T> void cout_line(const vector<T>& ans, int l, int r) { for (int i = l; i < r; i++) { if (i != l) { cout << ' '; } cout << ans[i]; } cout << '\n'; } template<class T> bool chmin(T& a, const T b) { if (b < a) { a = b; return 1; } return 0; } template<class T> bool chmax(T& a, const T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> T SUM(const vector<T>& A) { return accumulate(ALL(A), T(0)); } template<class T> vector<T> cumsum(const vector<T>& A, bool offset = true) { int N = A.size(); vector<T> S(N+1, 0); for (int i = 0; i < N; i++) { S[i+1] = S[i] + A[i]; } if (not offset) { S.erase(S.begin()); } return S; } ll mod(ll x, ll m) { assert(m != 0); return (x % m + m) % m; } ll ceil(ll a, ll b) { if (b < 0) { return ceil(-a, -b); } assert(b > 0); return (a < 0 ? a / b : (a + b - 1) / b); } ll floor(ll a, ll b) { if (b < 0) { return floor(-a, -b); } assert(b > 0); return (a > 0 ? a / b : (a - b + 1) / b); } ll powint(ll x, ll n) { assert(n >= 0); if (n == 0) { return 1; }; ll res = powint(x, n>>1); res *= res; if (n & 1) { res *= x; } return res; } pair<ll,ll> divmod(ll a, ll b) { assert(b != 0); ll q = floor(a, b); return make_pair(q, a - q * b); } ll bitlen(ll b) { if (b <= 0) { return 0; } return (64LL - __builtin_clzll(b)); } ll digit_len(ll n) { assert(n >= 0); if (n == 0) { return 1; } ll sum = 0; while (n > 0) { sum++; n /= 10; } return sum; } ll digit_sum(ll n) { assert(n >= 0); ll sum = 0; while (n > 0) { sum += n % 10; n /= 10; } return sum; } ll digit_prod(ll n) { assert(n >= 0); if (n == 0) { return 0; } ll prod = 1; while (n > 0) { prod *= n % 10; n /= 10; } return prod; } ll xor_sum(ll x) { assert(0 <= x); switch (x % 4) { case 0: return x; case 1: return 1; case 2: return x ^ 1; case 3: return 0; } assert(false); } string toupper(const string& S) { string T(S); for (int i = 0; i < (int)T.size(); i++) { T[i] = toupper(T[i]); } return T; } string tolower(const string& S) { string T(S); for (int i = 0; i < (int)T.size(); i++) { T[i] = tolower(T[i]); } return T; } int a2i(const char& c) { assert(islower(c)); return (c - 'a'); } int A2i(const char& c) { assert(isupper(c)); return (c - 'A'); } int d2i(const char& d) { assert(isdigit(d)); return (d - '0'); } char i2a(const int& i) { assert(0 <= i && i < 26); return ('a' + i); } char i2A(const int& i) { assert(0 <= i && i < 26); return ('A' + i); } char i2d(const int& i) { assert(0 <= i && i <= 9); return ('0' + i); } using P = pair<ll,ll>; using VP = vector<P>; using VVP = vector<VP>; using VS = vector<string>; using VVS = vector<VS>; using VI = vector<int>; using VVI = vector<VI>; using VVVI = vector<VVI>; using VLL = vector<ll>; using VVLL = vector<VLL>; using VVVLL = vector<VVLL>; using VB = vector<bool>; using VVB = vector<VB>; using VVVB = vector<VVB>; using VD = vector<double>; using VVD = vector<VD>; using VVVD = vector<VVD>; using VLD = vector<ld>; using VVLD = vector<VLD>; using VVVLD = vector<VVLD>; const ld EPS = 1e-10; const ld PI = acosl(-1.0); constexpr ll MOD = 1000000007; // constexpr ll MOD = 998244353; constexpr int inf = (1 << 30) - 1; // 1073741824 - 1 constexpr ll INF = (1LL << 62) - 1; // 4611686018427387904 - 1 // -------------------------------------------------------- #include <atcoder/scc> using namespace atcoder; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); ll N; cin >> N; VLL X(N); REP(i,N) cin >> X[i]; VLL A(N); REP(i,N) cin >> A[i]; map<int,int> mp; // (X, i) REP(i,N) mp[X[i]] = i; VVLL G(N); scc_graph g(N); REP(u,N) { int x1 = X[u] + A[u]; int x2 = X[u] - A[u]; if (mp.count(x1)) { int v = mp[x1]; g.add_edge(u, v); G[u].push_back(v); } if (mp.count(x2)) { int v = mp[x2]; g.add_edge(u, v); G[u].push_back(v); } } // ※ 強連結成分はトポロジカルソートされる auto scc = g.scc(); // 強連結成分を一つの頂点に潰したグラフを構築 ll N_scc = SZ(scc); VVLL G_scc(N_scc); VLL belong(N); // belong[u] := (元のグラフの) 頂点 u が属している強連結成分の番号 REP(us,N_scc) for (auto u : scc[us]) belong[u] = us; REP(u,N) for (auto v : G[u]) { ll us = belong[u], vs = belong[v]; if (us < vs) { G_scc[us].push_back(vs); } // us -> vs if (us > vs) { G_scc[vs].push_back(us); } // us <- vs } // dp[us] := 強連結成分 us から出発した場合の最大値 VLL dp(N_scc,-INF); auto dfs = [&](auto&& self, ll us) -> void { if (dp[us] != -INF) return; for (auto u : scc[us]) { chmax(dp[us], X[u] + A[u]); } for (auto vs : G_scc[us]) { self(self, vs); chmax(dp[us], dp[vs]); } }; VLL ans(N,-INF); REP(us,N_scc) { dfs(dfs, us); for (auto u : scc[us]) { chmax(ans[u], A[u]); chmax(ans[u], (dp[us] - X[u])); } } REP(u,N) print(ans[u]); return 0; }