結果
問題 | No.5007 Steiner Space Travel |
ユーザー | fky_ |
提出日時 | 2022-07-30 14:38:38 |
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 | 5,123 bytes |
コンパイル時間 | 2,142 ms |
実行使用メモリ | 3,560 KB |
スコア | 6,057,324 |
最終ジャッジ日時 | 2022-07-30 14:38:42 |
合計ジャッジ時間 | 3,972 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge10 |
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 | 2 ms
3,556 KB |
testcase_01 | AC | 2 ms
3,400 KB |
testcase_02 | AC | 2 ms
3,548 KB |
testcase_03 | AC | 2 ms
3,472 KB |
testcase_04 | AC | 2 ms
3,400 KB |
testcase_05 | AC | 2 ms
3,556 KB |
testcase_06 | AC | 2 ms
3,472 KB |
testcase_07 | AC | 2 ms
3,472 KB |
testcase_08 | AC | 2 ms
3,404 KB |
testcase_09 | AC | 2 ms
3,472 KB |
testcase_10 | AC | 2 ms
3,536 KB |
testcase_11 | AC | 2 ms
3,404 KB |
testcase_12 | AC | 2 ms
3,552 KB |
testcase_13 | AC | 2 ms
3,404 KB |
testcase_14 | AC | 2 ms
3,400 KB |
testcase_15 | AC | 2 ms
3,552 KB |
testcase_16 | AC | 2 ms
3,508 KB |
testcase_17 | AC | 2 ms
3,508 KB |
testcase_18 | AC | 2 ms
3,524 KB |
testcase_19 | AC | 2 ms
3,456 KB |
testcase_20 | AC | 2 ms
3,424 KB |
testcase_21 | AC | 2 ms
3,404 KB |
testcase_22 | AC | 2 ms
3,472 KB |
testcase_23 | AC | 2 ms
3,456 KB |
testcase_24 | AC | 2 ms
3,500 KB |
testcase_25 | AC | 2 ms
3,408 KB |
testcase_26 | AC | 2 ms
3,524 KB |
testcase_27 | AC | 2 ms
3,556 KB |
testcase_28 | AC | 2 ms
3,560 KB |
testcase_29 | AC | 2 ms
3,500 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define FOR(i, a, b) for (int i = a; i < (b); i++) #define RFOR(i, a, b) for (int i = a; i >= (b); i--) #define range(a) a.begin(), a.end() #define endl "\n" #define Yes() cout << "Yes" << endl #define No() cout << "No" << endl #define MP make_pair int dx[4] = {-1, 0, 1, 0}; int dy[4] = {0, -1, 0, 1}; using P = pair<int, int>; const long long INF = 1LL<<60; void chmin(long long &a, long long b) { if (a > b) a = b; } void chmax(long long &a, long long b) { if (a < b) a = b; } struct xorshift128{ const unsigned int ini_x = 123456789, ini_y = 362436069, ini_z = 521288629, ini_w = 88675123; unsigned int x, y, z, w; xorshift128() {} // シードによってx,y,z,wを初期化 ... initialize x,y,z,w by seed void set_seed(unsigned int seed){ x = ini_x, y = ini_y, z = ini_z, w = ini_w ^ seed; } unsigned int randint(){ unsigned int t = x ^ (x << 11); x = y; y = z; z = w; return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)); } // [0,r)の範囲の整数で乱数発生 ... generate random integer in [0,r) unsigned int randint(unsigned int r){ assert(r != 0); return randint() % r; } // [l,r)の範囲の整数で乱数発生 ... generate random integer in [l,r) unsigned int randint(unsigned int l, unsigned int r){ assert(r > l); return l + randint(r-l); } // 長さnの順列をランダムに生成し、その前k個分を出力する ... generate a random permutation of size n, and return the first k vector<int> randperm(int n, int k){ assert(k >= 0 && k <= n); vector<int> ret(n); for(int i = 0; i < n; i++){ ret[i] = i; } for(int i = 0; i < k; i++){ swap(ret[i], ret[randint(i, n)]); } return vector<int>(ret.begin(), ret.begin() + k); } // [0,1]の範囲の実数で乱数発生 ... generate random real number in [0,1] double uniform(){ return double(randint()) * 2.3283064370807974e-10; } // [0,r]の範囲の実数で乱数発生 ... generate random real number in [0,r] double uniform(double r){ assert(r >= 0.0); return uniform() * r; } // [l,r]の範囲の実数で乱数発生 ... generate random real number in [l,r] double uniform(double l, double r){ assert(r >= l); return l + uniform(r - l); } }; xorshift128 Random; const int64_t CYCLES_PER_SEC = 2800000000; struct Timer { int64_t start; Timer() { reset(); } void reset() { start = getCycle(); } void plus(double a) { start -= (a * CYCLES_PER_SEC); } inline double get() { return (double)(getCycle() - start) / CYCLES_PER_SEC; } inline int64_t getCycle() { uint32_t low, high; __asm__ volatile ("rdtsc" : "=a" (low), "=d" (high)); return ((int64_t)low) | ((int64_t)high << 32); } }; Timer timer; ll get_dist(P a, P b){ return round(hypot(abs(a.first - b.first), abs(a.second - b.second))); } int N = 100, M = 8, alpha = 5; vector<pair<int, int>> planet(100); struct Game{ vector<pair<int, int>> station; vector<int> next; ll score; Game() { init(); } void init(){ cin >> N >> M; FOR(i,0,N){ cin >> planet[i].first >> planet[i].second; } station.resize(M, {-1, -1}); next.resize(N, -1); score = 0LL; } void first_route(){ // 初期化 next[0] = 1, next[1] = 0; score = 2 * get_dist(planet[0], planet[1]); // 挿入 FOR(s,2,N){ ll dlt_dis = INF, min_bdx = -1; int bdx = 0; while(bdx > 0 || min_bdx == -1){ // i, i + 1の間に挿入 int adx = next[bdx]; ll n_dis = get_dist(planet[bdx], planet[s]) + get_dist(planet[s], planet[adx]) - get_dist(planet[bdx], planet[adx]); if(n_dis < dlt_dis){ dlt_dis = n_dis; min_bdx = bdx; } // cerr << bdx << " " << n_dis << endl; bdx = next[bdx]; } // cerr << endl; next[s] = next[min_bdx], next[min_bdx] = s; } int now = 0; do{ score = pow(alpha, 2) * get_dist(planet[now], planet[next[now]]); now = next[now]; } while (now > 0); return; } void output(){ FOR(i,0,M){ cout << "0 0" << endl; } cout << N + 1 << endl; int now = 0; do{ cout << 1 << " " << now + 1 << endl; now = next[now]; } while (now > 0); cout << "1 1" << endl; } }; int main(void){ ios::sync_with_stdio(0); cin.tie(0); timer.reset(); double TIMELIMIT = 1.0; random_device rnd; // 非決定的な乱数生成器 unsigned long long sd = (unsigned long long)rnd(); Random.set_seed(sd); Game game; game.init(); game.first_route(); game.output(); return 0; }