結果
| 問題 |
No.1069 電柱 / Pole (Hard)
|
| コンテスト | |
| ユーザー |
👑  null
|
| 提出日時 | 2020-06-03 00:42:08 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,315 bytes |
| コンパイル時間 | 2,930 ms |
| コンパイル使用メモリ | 194,948 KB |
| 最終ジャッジ日時 | 2025-01-10 20:42:36 |
|
ジャッジサーバーID （参考情報） |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 4 |
| other | AC * 4 WA * 73 TLE * 2 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:50:27: warning: format ‘%lf’ expects argument of type ‘double’, but argument 2 has type ‘__gnu_cxx::__alloc_traits<std::allocator<long double>, long double>::value_type’ {aka ‘long double’} [-Wformat=]
50 | #define printdb(a) printf("%.50lf\n", a) //少数出力
| ^~~~~~~~~~
main.cpp:238:18: note: in expansion of macro ‘printdb’
238 | rep(i, k)printdb(ans[i]);
| ^~~~~~~
main.cpp:50:33: note: format string is defined here
50 | #define printdb(a) printf("%.50lf\n", a) //少数出力
| ~~~~~^
| |
| double
| %.50Lf
main.cpp: In function ‘void scans(std::string&)’:
main.cpp:81:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
81 | scanf("%c", &c);
| ~~~~~^~~~~~~~~~
main.cpp:82:28: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
82 | if (c == '\n')scanf("%c", &c);
| ~~~~~^~~~~~~~~~
main.cpp:85:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
85 | scanf("%c", &c);
| ~~~~~^~~~~~~~~~
main.cpp: In function ‘void scanc(char&)’:
main.cpp:91:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
91 | scanf("%c", &c);
| ~~~~~^~~~~~~~~~
main.cpp:94:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
94 | scanf("%c", &c);
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 */
#define inf numeric_limits<double>::infinity();
#define linf numeric_limits<long double>::infinity()
using ll = long long;
constexpr int INF = 1073741823;
constexpr int MINF = -1073741823;
constexpr ll LINF = ll(4661686018427387903);
constexpr ll MOD = 1e9+7;
constexpr long double eps = 1e-6;
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;
}
template<typename T>
void ksp(const vector<vector<pair<int, T>>>& graph, const int &n, const int &start, const int &goal, const int& k, vector<vector<int>>& path, vector<T>& ans, const T &Inf) {
set<vector<int>> routememo;
vector<T> res, anstmp;
vector<vector<bool>> deleted(n, vector<bool>(n));
ans.resize(k);
path.resize(k);
res = dijkstra<T>(graph, path[0], start, goal, n, Inf, deleted, {});
ans[0] = res[goal];
anstmp = res;
routememo.insert(path[0]);
auto func = [](const tuple<T, vector<int>, vector<T>>& a, const tuple<T, vector<int>, vector<T>>& 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<T, vector<int>, vector<T>>, vector<tuple<T, vector<int>, vector<T>>>, 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;
T 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<T>(graph, path[i + 1], path[i][j], goal, n, Inf, 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[goal] >= Inf)continue;
vector<int> tmp;
vector<T> 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] != goal; ++l) {
tmp2[path[i + 1][l]] = res[path[i + 1][l]];
tmp.push_back(path[i + 1][l]);
}
tmp.push_back(goal);
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[goal], tmp, tmp2));
}
if (priq.empty()) {
for (; i < k - 1; ++i)ans[i + 1] = -1;
break;
}
auto tmp = priq.top();
priq.pop();
while (routememo.find(get<1>(tmp)) != routememo.end() and !priq.empty()) {
tmp = priq.top();
priq.pop();
}
if (routememo.find(get<1>(tmp)) != routememo.end() and priq.empty()) {
for (; i < k - 1; ++i)ans[i + 1] = -1;
break;
}
path[i + 1] = get<1>(tmp);
ans[i + 1] = get<0>(tmp);
routememo.insert(path[i + 1]);
}
return;
}
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);
set<vector<int>> routememo;
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;
ksp<long double>(graph, n, x, y, k, path, ans, linf);
rep(i, k)printdb(ans[i]);
Please AC;
}