結果
問題 | No.5007 Steiner Space Travel |
ユーザー | ronnya |
提出日時 | 2022-07-30 16:03:39 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 1,000 ms |
コード長 | 5,200 bytes |
コンパイル時間 | 2,152 ms |
実行使用メモリ | 3,612 KB |
スコア | 3,914,005 |
最終ジャッジ日時 | 2022-07-30 16:03:44 |
合計ジャッジ時間 | 3,630 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge13 |
純コード判定しない問題か言語 |
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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 | 1 ms
3,440 KB |
testcase_01 | AC | 2 ms
3,584 KB |
testcase_02 | AC | 1 ms
3,440 KB |
testcase_03 | AC | 2 ms
3,560 KB |
testcase_04 | AC | 1 ms
3,540 KB |
testcase_05 | AC | 2 ms
3,556 KB |
testcase_06 | AC | 2 ms
3,440 KB |
testcase_07 | AC | 2 ms
3,612 KB |
testcase_08 | AC | 1 ms
3,540 KB |
testcase_09 | AC | 1 ms
3,540 KB |
testcase_10 | AC | 1 ms
3,604 KB |
testcase_11 | AC | 1 ms
3,556 KB |
testcase_12 | AC | 1 ms
3,500 KB |
testcase_13 | AC | 1 ms
3,560 KB |
testcase_14 | AC | 1 ms
3,552 KB |
testcase_15 | AC | 1 ms
3,552 KB |
testcase_16 | AC | 1 ms
3,528 KB |
testcase_17 | AC | 1 ms
3,440 KB |
testcase_18 | AC | 1 ms
3,528 KB |
testcase_19 | AC | 1 ms
3,492 KB |
testcase_20 | AC | 2 ms
3,564 KB |
testcase_21 | AC | 1 ms
3,588 KB |
testcase_22 | AC | 1 ms
3,508 KB |
testcase_23 | AC | 1 ms
3,600 KB |
testcase_24 | AC | 1 ms
3,588 KB |
testcase_25 | AC | 1 ms
3,440 KB |
testcase_26 | AC | 1 ms
3,504 KB |
testcase_27 | AC | 2 ms
3,604 KB |
testcase_28 | AC | 1 ms
3,572 KB |
testcase_29 | AC | 1 ms
3,492 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pld = pair<ld, ld>; using vll = vector<ll>; using vld = vector<ld>; using vpll = vector<pll>; using vpld = vector<pld>; using vvll = vector<vll>; using vvld = vector<vld>; template<class T> using min_queue = priority_queue<T, vector<T>, greater<T>>; template<class T> using max_queue = priority_queue<T, vector<T>, less<T>>; #define rep(i, a, b) for(ll i = (ll)a; i < (ll)b; i++) #define irep(i, v) for(auto i = (v).begin(); i != (v).end(); i++) #define SZ(v) (ll)(v).size() #define ALL(v) (v).begin(), (v).end() #define SHIFT(a) (1LL << (ll)a) #define endl '\n' const ll INF = 1e18; const ll MOD = 1e9 + 7; const ld EPS = 1e-10; const ld PI = M_PI; ll power(ll x, ll y){ ll res = 1; while(y > 0){ if(y & 1){ res *= x; } x *= x; y >>= 1; } return res; } bool in_grid(ll x, ll y, ll h, ll w){ return (0 <= x && x < h && 0 <= y && y < w); } template<class T> void pvec(vector<T> &vec){ for(ll i = 0; i < (ll)vec.size(); i++){ if(i){ cout << " "; } cout << vec[i]; } cout << endl; } template<class T> void pvvec(vector<vector<T>> &vec){ for(ll i = 0; i < (ll)vec.size(); i++){ for(ll j = 0; j < (ll)vec[i].size(); j++){ if(j){ cout << " "; } cout << vec[i][j]; } cout << endl; } } template<class T> void asort(vector<T> &vec){ sort(ALL(vec)); } template<class T> void rsort(vector<T> &vec){ sort(ALL(vec)); reverse(ALL(vec)); } void pr(pll p){ cout << p.first << " " << p.second << endl; } using ppll = pair<pll, pll>; bool comp1(ppll &p1, ppll &p2){ return (p1.first.first < p2.first.first); } bool comp2(ppll &p1, ppll &p2){ return (p1.first.first > p2.first.first); } ll dis(pll &p1, pll &p2){ ll res = (p1.first - p2.first) * (p1.first - p2.first) + (p1.second - p2.second) * (p1.second - p2.second); return res; } //using mint = modint<MOD>; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); srand((unsigned)time(NULL)); cout << fixed << setprecision(20); ll n, m; cin >> n >> m; vpll vec(n); rep(i, 0, n) cin >> vec[i].first >> vec[i].second; vector<ppll> vec1, vec2, vec3, vec4; ll x = vec[0].first, y = vec[0].second; rep(i, 1, n){ ll xp = vec[i].first, yp = vec[i].second; if(xp >= x && yp < y) vec1.push_back({vec[i], {1, i + 1}}); if(xp > x && yp >= y) vec2.push_back({vec[i], {1, i + 1}}); if(xp <= x && yp > y) vec3.push_back({vec[i], {1, i + 1}}); if(xp < x && yp <= y) vec4.push_back({vec[i], {1, i + 1}}); } vpll sta(m); /* rep(i, 0, m){ sta[i] = {rand() % 1000, rand() % 1000}; pr(sta[i]); } rep(i, 0, m){ ll xp = sta[i].first, yp = sta[i].second; if(xp >= x && yp < y) vec1.push_back({sta[i], {2, i + 1}}); if(xp > x && yp >= y) vec2.push_back({sta[i], {2, i + 1}}); if(xp <= x && yp > y) vec3.push_back({sta[i], {2, i + 1}}); if(xp < x && yp <= y) vec4.push_back({sta[i], {2, i + 1}}); } */ sort(ALL(vec1), comp1); sort(ALL(vec2), comp2); sort(ALL(vec3), comp2); sort(ALL(vec4), comp1); vll points = {0}; rep(i, 0, SZ(vec1)) points.push_back(vec1[i].second.second - 1); rep(i, 0, SZ(vec2)) points.push_back(vec2[i].second.second - 1); rep(i, 0, SZ(vec3)) points.push_back(vec3[i].second.second - 1); rep(i, 0, SZ(vec4)) points.push_back(vec4[i].second.second - 1); points.push_back(0); max_queue<pair<ll, pll>> que; rep(i, 0, SZ(points) - 1){ ll x1 = vec[points[i]].first, y1 = vec[points[i]].second; ll x2 = vec[points[i + 1]].first, y2 = vec[points[i + 1]].second; ll d = (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2); que.push({d, {points[i], points[i + 1]}}); } rep(i, 0, m){ auto tmp = que.top().second; que.pop(); pll p1 = vec[tmp.first], p2 = vec[tmp.second]; sta[i] = {(p1.first + p2.first) / 2, (p1.second + p2.second) / 2}; //sta[i] = {rand() % 1000, rand() % 1000}; } rep(i, 0, m){ pr(sta[i]); ll xp = sta[i].first, yp = sta[i].second; if(xp >= x && yp < y) vec1.push_back({sta[i], {2, i + 1}}); if(xp > x && yp >= y) vec2.push_back({sta[i], {2, i + 1}}); if(xp <= x && yp > y) vec3.push_back({sta[i], {2, i + 1}}); if(xp < x && yp <= y) vec4.push_back({sta[i], {2, i + 1}}); } sort(ALL(vec1), comp1); sort(ALL(vec2), comp2); sort(ALL(vec3), comp2); sort(ALL(vec4), comp1); vpll ans = {{1, 1}}; rep(i, 0, SZ(vec1)) ans.push_back(vec1[i].second); rep(i, 0, SZ(vec2)) ans.push_back(vec2[i].second); rep(i, 0, SZ(vec3)) ans.push_back(vec3[i].second); rep(i, 0, SZ(vec4)) ans.push_back(vec4[i].second); ans.push_back({1, 1}); vpll res; rep(i, 0, SZ(ans) - 1){ res.push_back(ans[i]); pll p1 = vec[ans[i].second - 1]; pll p2 = vec[ans[i + 1].second - 1]; ll d1 = dis(p1, p2); if(ans[i].first == 1 && ans[i + 1].first == 1){ rep(j, 0, m){ pll p3 = sta[j]; ld d2 = dis(p1, p3); ld d3 = dis(p3, p2); if(5.0 * d2 + 5.0 * d3 < 25 * d1){ res.push_back({2, j + 1}); continue; } } } } res.push_back({1, 1}); cout << SZ(res) << endl; rep(i, 0, SZ(res)) pr(res[i]); return 0; }