結果
問題 | No.1767 BLUE to RED |
ユーザー |
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提出日時 | 2021-11-26 23:07:59 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 596 ms / 2,000 ms |
コード長 | 1,693 bytes |
コンパイル時間 | 2,516 ms |
コンパイル使用メモリ | 217,636 KB |
最終ジャッジ日時 | 2025-01-26 01:47:07 |
ジャッジサーバーID (参考情報) |
judge1 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 |
ソースコード
#include <bits/stdc++.h>#include <atcoder/modint>using namespace std;using namespace atcoder;//using mint = modint998244353;using mint = modint1000000007;using ll = long long;using ld = long double;using pll = pair<ll, ll>;using tlll = tuple<ll, ll, ll>;constexpr ll INF = 1LL << 60;template<class T> bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;}template<class T> bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;}ll safemod(ll A, ll M) {return (A % M + M) % M;}ll divfloor(ll A, ll B) {if (B < 0) {return divfloor(-A, -B);} return (A - safemod(A, B)) / B;}ll divceil(ll A, ll B) {if (B < 0) {return divceil(-A, -B);} return divfloor(A + B - 1, B);}#define FINALANS(A) do {cout << (A) << '\n'; exit(0);} while (false)#include <atcoder/dsu>int main(){ll N, M;cin >> N >> M;vector<ll> A(N), B(M);for (ll i = 0; i < N; i++){cin >> A.at(i);}for (ll i = 0; i < M; i++){cin >> B.at(i);}dsu ds(N + M);for (ll i = 0; i < N - 1; i++){ds.merge(i, i + 1);}vector<pll> C(N + M);for (ll i = 0; i < N; i++){C.at(i) = make_pair(A.at(i), i);}for (ll i = 0; i < M; i++){C.at(N + i) = make_pair(B.at(i), N + i);}sort(C.begin(), C.end());vector<tlll> E;for (ll i = 0; i < N + M - 1; i++){ll u = C.at(i).second, v = C.at(i + 1).second;ll d = C.at(i + 1).first - C.at(i).first;if (!ds.same(u, v))E.push_back(make_tuple(d, u, v));}sort(E.begin(), E.end());ll ans = 0;for (auto e : E){auto [d, u, v] = e;if (!ds.same(u, v)){ds.merge(u, v);ans += d;}}cout << ans << endl;}