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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
#588398#9319. Bull FarmyouthpaulWA 50ms3844kbC++203.1kb2024-09-25 10:29:552024-09-25 10:29:57

Judging History

你现在查看的是最新测评结果

  • [2024-09-25 10:29:57]
  • 评测
  • 测评结果:WA
  • 用时:50ms
  • 内存:3844kb
  • [2024-09-25 10:29:55]
  • 提交

answer

#include<bits/stdc++.h>
#define fore(i,l,r)	for(int i=(int)(l);i<(int)(r);++i)
#define fi first
#define se second
#define endl '\n'
#define ull unsigned long long
#define ALL(v) v.begin(), v.end()
#define Debug(x, ed) std::cerr << #x << " = " << x << ed;

const int INF=0x3f3f3f3f;
const long long INFLL=1e18;

typedef long long ll;

struct Edge{
    int u;
    int v;
    int w;
};

const int N = 2005;

int fa[N];

int find(int x){
    if(x == fa[x]) return x;
    return fa[x] = find(fa[x]);
}

int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    int t;
    std::cin >> t;
    while(t--){
        int n, l, q;
        std::cin >> n >> l >> q;
        std::vector<Edge> e;
        fore(i, 1, n + 1) fa[i] = i;

        fore(w, 1, l + 1){
            std::string s;
            std::cin >> s;
            std::vector<int> in(n + 1);
            std::vector<int> to(n + 1);
            int cnt = 0;
            for(int i = 0; i < s.size(); i += 2){
                int u = i / 2 + 1, v = 50 * (s[i] - '0') + (s[i + 1] - '0');
                to[u] = v;
                if(!in[v]) ++cnt;
                ++in[v];
            }
            if(cnt <= n - 2) continue;
            if(cnt == n){
                fore(u, 1, n + 1){
                    int v = to[u];
                    int fau = find(u), fav = find(v);
                    if(fau == fav) continue;
                    e.push_back({u, v, w});
                    e.push_back({v, u, w});
                    fa[fau] = fav;
                }
            }
            else{
                int x0 = 0, y = 0;
                fore(i, 1, n + 1){
                    if(!in[i]) x0 = i;
                    else if(in[i] == 2) y = i;
                }
                fore(u, 1, n + 1)
                    if(to[u] == y)
                        e.push_back({u, x0, w});
            }
        }

        std::vector<std::vector<int>> f(n + 1, std::vector<int>(n + 1, l + 5));
        std::vector<std::vector<std::pair<int, int>>> g(n + 1);
        fore(i, 1, n + 1) f[i][i] = 0;
        

        fore(i, 1, n + 1){
            fore(u, 1, n + 1) g[u].clear();
            for(auto [u, v, w] : e){
                std::queue<int> q;
                g[u].push_back({v, w});
                if(f[i][v] > w && f[i][u] <= w){
                    f[i][v] = w;
                    q.push(v);
                }
                while(!q.empty()){
                    int u = q.front();
                    q.pop();
                    for(auto [v, w] : g[u])
                        if(f[i][v] > w){
                            f[i][v] = w;
                            q.push(v);
                        }
                }
            }
        }

        while (q--){
            std::string s;
            std::cin >> s;
            std::array<int, 3> arr;
            for(int i = 0; i < s.size(); i += 2) arr[i / 2] = 50 * (s[i] - '0') + (s[i + 1] - '0');
            auto [a, b, c] = arr;
            std::cout << (f[a][b] <= c);
        }
        std::cout << endl;
    }
    
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3836kb

input:

2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401

output:

1011
0100

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202

output:

010101

result:

ok single line: '010101'

Test #3:

score: -100
Wrong Answer
time: 50ms
memory: 3844kb

input:

200
10 10 5000
01060:04020305080709
0103070:060204050908
09070503080401060:02
050308010204090:0607
03010502040607080:09
03080109020504060:07
06050:09040302080107
07080305010409060:02
030809010:0204060507
0:060908070201050304
060700
090:03
09080:
070405
010703
0:0100
080601
030600
070206
0:0:09
08040...

output:

011110101101111111111111111111111111111111110111111111111111111011010111111111111111111101111111111110111111110111111111111111111111111111111111111111111111110001110111111111111111111111111011101111111111111111111111111111111111111111111011110100111111111111111111111100111111101110111111111101111110...

result:

wrong answer 1st lines differ - expected: '011110001101101111111111111111...1111111111111111101111111111111', found: '011110101101111111111111111111...1111111111111111101111111111111'