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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#675150#7184. Transport PlusesliaoydWA 0ms4020kbC++235.7kb2024-10-25 18:02:282024-10-25 18:02:29

Judging History

你现在查看的是最新测评结果

  • [2024-10-25 18:02:29]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:4020kb
  • [2024-10-25 18:02:28]
  • 提交

answer

#include <bits/stdc++.h>
#define x first
#define y second
#define int long long
#define double long double

using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef const double* (*p_fun)(const double*, int);
const LL N = 3e3 + 10, M = 2e3 + 10, mod = 1e9 + 7, LLF = 1e15,
null = 0x3f3f3f3f3f3f3f;

template <typename T>
bool chmax(T& a, const T& b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
template <typename T, typename... Args>
bool chmax(T& a, const T& b, const Args&... args) {
    bool updated = chmax(a, b);
    return chmax(a, args...) || updated;
}
template <typename T>
bool chmin(T& a, const T& b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template <typename T, typename... Args>
bool chmin(T& a, const T& b, const Args&... args) {
    bool updated = chmin(a, b);
    return chmin(a, args...) || updated;
}
class UnionFind {
public:
    vector<int> parent;
    vector<int> size;
    int n;
    // 当前连通分量数目
    int setCount;

public:
    UnionFind(int _n) : n(_n), setCount(_n), parent(_n), size(_n, 1) {
        iota(parent.begin(), parent.end(), 0);
    }

    int find(int x) { return parent[x] == x ? x : parent[x] = find(parent[x]); }

    bool merge(int x, int y) {
        x = find(x);
        y = find(y);
        if (x == y) return false;
        if (size[x] < size[y]) swap(x, y);
        parent[y] = x;
        size[x] += size[y];
        --setCount;
        return true;
    }

    bool connected(int x, int y) {
        x = find(x);
        y = find(y);
        return x == y;
    }
};
int qmi(int a, int b) {
    int res = 1;
    a %= mod;
    while (b) {
        if (b & 1) res = res * a % mod;
        a = a * a % mod;
        b >>= 1;
    }

    return res;
}
int sqrt(int x) {
    int l = 0, r = 3e9;  // LLONG_MAX
    while (l < r) {
        int mid = (l + r + 1) >> 1;
        if (mid * mid > x)
            r = mid - 1;  // 向下取整
        else
            l = mid;
    }
    return r;
}
struct node {
    int op;
    double x, y;
};

double dis(double& bgx, double& bgy, double& edx, double& edy) {
    return sqrt(pow(bgx - edx, 2) + pow(bgy - edy, 2));
}

static inline void solve() {
    int n;
    double t;
    cin >> n >> t;

    double bgx, bgy, edx, edy;
    cin >> bgx >> bgy >> edx >> edy;
    vector<pii> v(n + 1);
    for (int i = 1; i <= n; i++)
        cin >> v[i].x >> v[i].y;

    vector<vector<node>> ans(4);

    double s1 = dis(bgx, bgy, edx, edy);
    ans[1].push_back({ 0,edx,edy });

    node t1 = {}, t2 = {};
    int posj = 0, posy = 0, mnj = LLF, mny = LLF, mn2 = LLF;
    double x2 = LLF;
    int jl = 0;
    for (int i = 1; i <= n; i++) {
        double disx = abs(v[i].x - bgx), disy = abs(v[i].y - bgy);
        double s2 = min(disx, disy);
        double disxf = abs(v[i].x - edx), disyf = abs(v[i].y - edy);
        double s2f = min(disxf, disyf);
        x2 = min(x2, s2 + s2f + t);
        if (x2 == s2 + s2f + t) {
            jl = i;
        }
    }
    int z1, y1;
    double an1 = LLF, an2 = LLF;
    for (int i = 1; i <= n; i++) {
        double disx = abs(v[i].x - bgx), disy = abs(v[i].y - bgy);
        double s2 = min(disx, disy);
        double disxf = abs(v[i].x - edx), disyf = abs(v[i].y - edy);
        double s2f = min(disxf, disyf);
        an1 = min(an1, s2);
        an2 = min(an2, s2f);
        if (an1 == s2) { z1 = i; }
        if (an2 == s2f) { y1 = i; }
    }
    double ans3 = min(abs(v[z1].x - bgx) , abs(v[z1].y - bgy)) + min(abs(v[y1].x - edx) , abs(v[y1].y - edy)) + 2 * t;
    double aan = min({ ans3,s1,x2 });
    //cout << aan << "\n";
    cout << fixed << setprecision(5) << aan << endl;
    if (aan == s1) {

        cout << ans[1].size() << "\n";
        for (auto e : ans[1]) {
            cout << e.op << " " << e.first << " " << e.second << "\n";
        }
    }
    else if (aan == x2) {
        if (abs(v[jl].x - bgx) <= abs(v[jl].y - bgy)) {
            node ta = { 0,v[jl].x,bgy };
            ans[2].push_back(ta);
        }
        else {
            node ta = { 0,bgx,v[jl].y };
            ans[2].push_back(ta);
        }

        if (abs(v[jl].x - edx) <= abs(v[jl].y - edy)) {
            node ta = { jl,v[jl].x,edy };
            ans[2].push_back(ta);
        }
        else {
            node ta = { jl,edx,v[jl].y };
            ans[2].push_back(ta);
        }
        node ta = { 0,edx,edy };
        ans[2].push_back(ta);
        cout << ans[2].size() << "\n";
        for (auto e : ans[2]) {
            cout << e.op << " " << e.first << " " << e.second << "\n";
        }
    }
    else {
        if (abs(v[z1].x - bgx) <= abs(v[z1].y - bgy)) {
            node ta = { 0,v[z1].x,bgy };
            ans[3].push_back(ta);
        }
        else {
            node ta = { 0,bgx,v[z1].y };
            ans[3].push_back(ta);
        }
        node ta = { z1, v[z1].x,v[y1].y };
        ans[3].push_back({ ta });

        if (abs(v[y1].x - edx) <= abs(v[y1].y - edy)) {
            node ta = { y1,edx,v[y1].y };
            ans[3].push_back(ta);
        }
        else {
            node ta = { y1,v[y1].x,v[y1].y };
            ans[3].push_back(ta);
        }
        ta = { 0,edx,edy };
        ans[3].push_back(ta);
        cout << ans[3].size() << "\n";
        for (auto e : ans[3]) {
            cout << e.op << " " << e.first << " " << e.second << "\n";
        }
    }
}
signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cout << unitbuf;
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3884kb

input:

1 2
1 1
5 3
6 2

output:

4.00000
3
0 1.00000 2.00000
1 6.00000 3.00000
0 5.00000 3.00000

result:

ok correct

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 4020kb

input:

2 1
1 1
6 1
1 3
6 3

output:

2.00000
4
0 1.00000 1.00000
1 1.00000 3.00000
2 6.00000 3.00000
0 6.00000 1.00000

result:

wrong answer claimed 2.0000000000, actual 4.0000000000