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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#220464#5202. Dominoessuibian_xiaozhaoWA 1ms3476kbC++202.3kb2023-10-20 13:54:382023-10-20 13:54:38

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你现在查看的是最新测评结果

  • [2023-10-20 13:54:38]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3476kb
  • [2023-10-20 13:54:38]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using vint = vector<int>;
constexpr int N = 1e3 + 5;
int n, k, p[N], fa[N];
void solve(vector<vint> dat, int ff) {
    int m = dat[0].size();
    if(m == 1) return fa[dat[0][0]] = ff, void();
    vector<vint> pos(k, vint(n + 1));
    for(int i = 0; i < k; i++)
        for(int j = 0; j < m; j++)
            pos[i][dat[i][j]] = j;
    auto split = [&](int u, vint arr, vint &a, vint &b) {
        bool find = 0;
        for(int it : arr)
            if(it == u) find = 1;
            else if(find) b.push_back(it);
            else a.push_back(it);
    };
    auto check = [&](int u) {
        int x = -1, y = -1;
        for(int i = 0, sz; i < k; i++) {
            sz = pos[i][u];
            if(!sz) return false;
            if(x == -1 || x == sz) x = sz;
            else if(y == -1 || y == sz) y = sz;
            else return false;
            sz = m - 1 - sz;
            if(!sz) return false;
            if(x == -1 || x == sz) x = sz;
            else if(y == -1 || y == sz) y = sz;
            else return false;
        }
        vint c, d;
        for(auto &arr : dat) {
            vint a, b;
            split(u, arr, a, b);
            sort(a.begin(), a.end());
            sort(b.begin(), b.end());
            if(c.empty() || c == a) c = a;
            else if(d.empty() || d == a) d = a;
            else return false;
            if(c.empty() || c == b) c = b;
            else if(d.empty() || d == b) d = b;
            else return false;
        }
        return true;
    };
    for(int id : dat[0]) {
        if(!check(id)) continue;
        fa[id] = ff;
        int beg = dat[0][0];
        vector<vint> ldat, rdat;
        for(auto arr : dat) {
            vint a, b;
            split(id, arr, a, b);
            if(find(a.begin(), a.end(), beg) == a.end()) a.swap(b);
            ldat.push_back(a), rdat.push_back(b);
        }
        solve(ldat, id), solve(rdat, id);
    }
}
int main() {
    cin >> n >> k;
    vector<vector<int>> dat;
    for(int _ = 1; _ <= k; _++) {
        vector<int> arr(n, 0);
        for(int i = 0; i < n; i++) cin >> arr[i];
        dat.push_back(arr);
    }
    solve(dat, -1);
    for(int i = 1; i <= n; i++) cout << fa[i] << (i == n ? '\n' : ' ');
    return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3476kb

input:

3 6
...#..
......
#...##

output:

0 0 0

result:

wrong answer 1st numbers differ - expected: '52', found: '0'