結果
| 問題 | No.1069 電柱 / Pole (Hard) |
| ユーザー |
 null
|
| 提出日時 | 2020-04-26 20:11:19 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 6,747 bytes |
| コンパイル時間 | 2,819 ms |
| コンパイル使用メモリ | 193,976 KB |
| 実行使用メモリ | 13,768 KB |
| 最終ジャッジ日時 | 2024-11-06 12:02:35 |
| 合計ジャッジ時間 | 6,493 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge4 |
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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
13,764 KB |
| testcase_01 | AC | 2 ms
6,816 KB |
| testcase_02 | AC | 2 ms
6,816 KB |
| testcase_03 | AC | 2 ms
6,816 KB |
| testcase_04 | TLE | - |
| testcase_05 | -- | - |
| testcase_06 | -- | - |
| testcase_07 | -- | - |
| testcase_08 | -- | - |
| testcase_09 | -- | - |
| testcase_10 | -- | - |
| testcase_11 | -- | - |
| testcase_12 | -- | - |
| testcase_13 | -- | - |
| testcase_14 | -- | - |
| testcase_15 | -- | - |
| testcase_16 | -- | - |
| testcase_17 | -- | - |
| testcase_18 | -- | - |
| testcase_19 | -- | - |
| testcase_20 | -- | - |
| testcase_21 | -- | - |
| testcase_22 | -- | - |
| testcase_23 | -- | - |
| testcase_24 | -- | - |
| testcase_25 | -- | - |
| testcase_26 | -- | - |
| testcase_27 | -- | - |
| testcase_28 | -- | - |
| testcase_29 | -- | - |
| testcase_30 | -- | - |
| testcase_31 | -- | - |
| testcase_32 | -- | - |
| testcase_33 | -- | - |
| testcase_34 | -- | - |
| testcase_35 | -- | - |
| testcase_36 | -- | - |
| testcase_37 | -- | - |
| testcase_38 | -- | - |
| testcase_39 | -- | - |
| testcase_40 | -- | - |
| testcase_41 | -- | - |
| testcase_42 | -- | - |
| testcase_43 | -- | - |
| testcase_44 | -- | - |
| testcase_45 | -- | - |
| testcase_46 | -- | - |
| testcase_47 | -- | - |
| testcase_48 | -- | - |
| testcase_49 | -- | - |
| testcase_50 | -- | - |
| testcase_51 | -- | - |
| testcase_52 | -- | - |
| testcase_53 | -- | - |
| testcase_54 | -- | - |
| testcase_55 | -- | - |
| testcase_56 | -- | - |
| testcase_57 | -- | - |
| testcase_58 | -- | - |
| testcase_59 | -- | - |
| testcase_60 | -- | - |
| testcase_61 | -- | - |
| testcase_62 | -- | - |
| testcase_63 | -- | - |
| testcase_64 | -- | - |
| testcase_65 | -- | - |
| testcase_66 | -- | - |
| testcase_67 | -- | - |
| testcase_68 | -- | - |
| testcase_69 | -- | - |
| testcase_70 | -- | - |
| testcase_71 | -- | - |
| testcase_72 | -- | - |
| testcase_73 | -- | - |
| testcase_74 | -- | - |
| testcase_75 | -- | - |
| testcase_76 | -- | - |
| testcase_77 | -- | - |
| testcase_78 | -- | - |
| testcase_79 | -- | - |
| testcase_80 | -- | - |
| testcase_81 | -- | - |
| testcase_82 | -- | - |
ソースコード
/*
このコード、と～おれ!
Be accepted!
∧＿∧
（｡･ω･｡)つ━☆・*。
⊂ ノ ・゜+.
しーＪ °。+ *´¨)
.· ´¸.·*´¨) ¸.·*¨)
(¸.·´ (¸.·'* ☆
*/
#include <cstdio>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <numeric>
#include <iostream>
#include <random>
#include <map>
#include <unordered_map>
#include <queue>
#include <regex>
#include <functional>
#include <complex>
#include <list>
#include <cassert>
#include <iomanip>
#include <set>
#include <stack>
#include <bitset>
/*多倍長整数/cpp_intで宣言
#include <boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;
*/
//#pragma gcc target ("avx2")
//#pragma gcc optimization ("o3")
//#pragma gcc optimization ("unroll-loops")
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define rep1(i, n) for(int i = 1; i <= (n); ++i)
#define rep2(i, n) for(int i = 2; i < (n); ++i)
#define repr(i, n) for(int i = n; i >= 0; --i)
#define reprm(i, n) for(int i = n - 1; i >= 0; --i)
#define printynl(a) printf(a ? "yes\n" : "no\n")
#define printyn(a) printf(a ? "Yes\n" : "No\n")
#define printYN(a) printf(a ? "YES\n" : "NO\n")
#define printim(a) printf(a ? "possible\n" : "imposible\n")
#define printdb(a) printf("%.50lf\n", a) //少数出力
#define printLdb(a) printf("%.50Lf\n", a) //少数出力
#define printdbd(a) printf("%.16lf\n", a) //少数出力(桁少なめ)
#define prints(s) printf("%s\n", s.c_str()) //string出力
#define all(x) (x).begin(), (x).end()
#define allsum(a, b, c) ((a + b) * c / 2LL) //等差数列の和、初項,末項,項数
#define pb push_back
#define rpriq priq<int, vector<int>, greater<int>>
#define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI)
#define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L)
#define Please return
#define AC 0
#define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d)) /*(a, b) から (c, d) のマンハッタン距離 */
using ll = long long;
constexpr int INF = 1073741823;
constexpr int MINF = -1073741823;
constexpr ll LINF = ll(4661686018427387903);
constexpr ll MOD = 1000000007;
const long double PI = acosl(-1.0L);
using namespace std;
void scans(string& str) {
char c;
str = "";
scanf("%c", &c);
if (c == '\n')scanf("%c", &c);
while (c != '\n' && c != -1 && c != ' ') {
str += c;
scanf("%c", &c);
}
}
void scanc(char& str) {
char c;
scanf("%c", &c);
if (c == -1)return;
while (c == '\n') {
scanf("%c", &c);
}
str = c;
}
double acot(double x) {
return PI / 2 - atan(x);
}
ll LSB(ll n) { return (n & (-n)); }
/*-----------------------------------------ここからコード-----------------------------------------*/
template<typename T>
vector<T> dijkstra(const vector<vector<pair<int, T>>>& graph, vector<int>& path, const int& v, const int& g, const int& n, const T inf, const vector<vector<bool>>& deleted, set<int> r) {
priority_queue<pair<T, int>, vector<pair<T, int>>, greater<pair<T, int>>> priq;
vector<T> res(n);
vector<int> prev(n);
fill(all(prev), -1);
fill(all(res), inf);
priq.push({ 0, v });
res[v] = 0;
int top;
while (!priq.empty()) {
top = priq.top().second;
priq.pop();
for (const auto& aa : graph[top]) {
if (res[top] + aa.second >= res[aa.first] or deleted[top][aa.first] or r.find(aa.first) != r.end())continue;
res[aa.first] = aa.second + res[top];
prev[aa.first] = top;
priq.push({ res[aa.first], aa.first });
}
}
for (int i = g; i != -1; i = prev[i])path.push_back(i);
reverse(all(path));
return res;
}
int main() {
int n, m, k, x, y;
scanf("%d%d%d%d%d", &n, &m, &k, &x, &y);
--x; --y;
vector<vector<pair<int, long double>>> graph(n);
vector<pair<int, int>> xy(n);
int p, q;
rep(i, n) {
scanf("%d%d", &p, &q);
xy[i] = { p, q };
}
rep(i, m) {
scanf("%d%d", &p, &q);
--p; --q;
long double a = xy[p].first, b = xy[p].second, c = xy[q].first, d = xy[q].second;
graph[p].push_back({ q, sqrt((c - a) * (c - a) + (d - b) * (d - b)) });
graph[q].push_back({ p, sqrt((c - a) * (c - a) + (d - b) * (d - b)) });
}
vector<vector<int>> path(k);
vector<long double> ans(k), res, anstmp;
vector<vector<bool>> deleted(n, vector<bool>(n));
res = dijkstra<long double>(graph, path[0], x, y, n, numeric_limits<long double>::infinity(), deleted, {});
ans[0] = res[y];
anstmp = res;
auto func = [](const tuple<long double, vector<int>, vector<long double>>& a, const tuple<long double, vector<int>, vector<long double>>& b) -> bool {
if (get<0>(a) != get<0>(b))return get<0>(a) > get<0>(b);
else if (get<1>(a) != get<1>(b))return get<1>(a) > get<1>(b);
else return get<2>(a) > get<2>(b);
};
priority_queue<tuple<long double, vector<int>, vector<long double>>, vector<tuple<long double, vector<int>, vector<long double>>>, decltype(func)> priq{ func };
map<vector<int>, vector<int>> spurnode;
rep(i, k - 1) {
int siz = path[i].size();
vector<int> route;
set<int> r;
long double cost = 0;
rep(j, siz - 1) {
route.push_back(path[i][j]);
r.insert(path[i][j]);
spurnode[route].push_back(path[i][j + 1]);
if (j != 0) {
for (const auto& aa : graph[path[i][j - 1]]) {
if (aa.first == path[i][j]) {
cost += aa.second;
break;
}
}
}
for (const auto& aa : spurnode[route])deleted[path[i][j]][aa] = deleted[aa][path[i][j]] = true;
if (j > 0)deleted[path[i][j - 1]][path[i][j]] = deleted[path[i][j]][path[i][j - 1]] = true;
res = dijkstra<long double>(graph, path[i + 1], path[i][j], y, n, numeric_limits<long double>::infinity(), deleted, r);
if (j > 0)deleted[path[i][j - 1]][path[i][j]] = deleted[path[i][j]][path[i][j - 1]] = false;
for (const auto& aa : spurnode[route])deleted[path[i][j]][aa] = deleted[aa][path[i][j]] = false;
if (res[y] == numeric_limits<long double>::infinity())continue;
vector<int> tmp;
vector<long double> tmp2(n);
for (int l = 0; l <= j; ++l) {
tmp2[path[i][l]] = anstmp[path[i][l]];
}
int l = 0;
for (; path[i][l] != path[i][j]; ++l) {
tmp2[path[i][l]] = anstmp[path[i][l]];
tmp.push_back(path[i][l]);
}
for (l = 0; path[i + 1][l] != y; ++l) {
tmp2[path[i + 1][l]] = res[path[i + 1][l]];
tmp.push_back(path[i + 1][l]);
}
tmp.push_back(y);
int siz2 = path[i + 1].size();
for (int l = 1; l < siz2; ++l) tmp2[path[i + 1][l]] = res[path[i + 1][l]] + anstmp[path[i][j]];
priq.push(make_tuple(cost + res[y], tmp, tmp2));
}
if (priq.empty()) {
for (; i < k - 1; ++i)ans[i + 1] = -1;
break;
}
auto tmp = priq.top();
priq.pop();
path[i + 1] = get<1>(tmp);
ans[i + 1] = get<0>(tmp);
//anstmp = get<2>(tmp);
}
rep(i, k)printLdb(ans[i]);
Please AC;
}