結果
| 問題 |
No.1069 電柱 / Pole (Hard)
|
| コンテスト | |
| ユーザー |
👑  null
|
| 提出日時 | 2020-05-03 14:20:26 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 4,167 bytes |
| コンパイル時間 | 2,512 ms |
| コンパイル使用メモリ | 158,296 KB |
| 最終ジャッジ日時 | 2025-01-10 06:12:40 |
|
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 | AC * 4 |
| other | AC * 21 RE * 57 TLE * 1 |
コンパイルメッセージ
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);
| ~~~~~^~~~~~~~~~
main.cpp: In function ‘int main()’:
main.cpp:124:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
124 | scanf("%d%d%d%d%d", &n, &m, &k, &x, &y);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
main.cpp:128:37: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
128 | for (auto& [p, q] : pq)scanf("%d%d", &p, &q);
| ~~~~~^~~~~~~~~~~~~~~~
main.cpp:132:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
132 | sca
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 = 1000000007;
constexpr long double eps = 1e-9;
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-----------------------------------------*/
void dfs(const vector<vector<pair<int, double>>>& graph, const int& now, set<int>& bef, const double& cost, vector<int>& route, const int &end, set<vector<int>>& m, vector<double> &ans) {
route.push_back(now);
bef.insert(now);
if (now == end) {
if(m.find(route) == m.end())ans.emplace_back(cost);
m.insert(route);
}
for (const auto& [to, c] : graph[now]) {
if (bef.find(to) == bef.end()) dfs(graph, to, bef, cost + c, route, end, m, ans);
}
bef.erase(now);
route.pop_back();
}
int main() {
int n, m, k, x, y;
scanf("%d%d%d%d%d", &n, &m, &k, &x, &y);
assert(n <= 25);
--x, --y;
vector<pair<int, int>> pq(n);
for (auto& [p, q] : pq)scanf("%d%d", &p, &q);
vector<vector<pair<int, double>>> graph(n);
int p, q;
rep(i, m) {
scanf("%d%d", &p, &q);
--p, --q;
double a = pq[p].first, b = pq[p].second, c = pq[q].first, d = pq[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)) });
}
set<vector<int>> ma;
vector<int> route;
set<int> bef;
vector<double> ans;
dfs(graph, x, bef, 0.0, route, y, ma, ans);
int cnt = 0;
sort(all(ans));
int siz = ans.size();
rep(i, min(siz, k))printdb(ans[i]);
rep(i, k - siz)puts("-1");
Please AC;
}