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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
#512828#9170. Cycle Gameucup-team055#WA 0ms3816kbC++202.1kb2024-08-10 15:58:542024-08-10 15:58:54

Judging History

你现在查看的是最新测评结果

  • [2024-08-10 15:58:54]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3816kb
  • [2024-08-10 15:58:54]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
using ll = long long;
#define all(p) p.begin(), p.end()

struct UF{
    int n;
    vector<int> par;
    UF(int n_):n(n_){
        par.resize(n, -1);
    }
    int root(int a){
        if (par[a] < 0) return a;
        return par[a] = root(par[a]);
    }
    int unite(int a, int b){
        a = root(a);
        b = root(b);
        if (a == b) return 0;
        if (par[a] > par[b]) swap(a, b);
        par[a] += par[b];
        par[b] = a;
        return 1;
    }
};

void solve(){
    int N, M, K;
    cin >> N >> M >> K;
    UF T((N + 1) * (M + 1));
    int S = 0, I = 0, B = 0, C = 0;
    vector seen(N + 2, vector<int>(M + 2));
    vector<int> dx = {0, 0, 1, -1, 1, 1, -1, -1}, dy = {1, -1, 0, 0, 1, -1, 1, -1};
    rep(i, 0, K){
        int x, y;
        cin >> x >> y;
        set<int> s;
        rep(k, 0, 4){
            int a = dx[k] + x, b = dy[k] + y;
            if (a < 0 || b < 0 || a > N || b > M) continue;
            if (seen[a][b] == 0) continue;
            s.insert(T.root(a * (M + 1) + b));
        }
        int nS = S + 1;
        int nC = C + 1 - s.size();
        int nB = B;
        int nI = I;
        rep(k, 4, 8){
            if (seen[x + dx[k]][y] == 0 && seen[x][y + dy[k]] == 0) nB += 1;
            if (seen[x + dx[k]][y] == 1 && seen[x][y + dy[k]] == 1){
                nB -= 1;
                if (seen[x + dx[k]][y + dy[k]]){
                    nI += 1;
                }
            }
        }
        if (nS == nI + nB / 2 - nC){
            seen[x][y] = 1;
            S = nS, I = nI, B = nB, C = nC;
            for (auto z : s) T.unite(z, x * (M + 1) + y);
            cout << "1";
        }
        else{
            cout << "0";
        }
    }
    cout << "\n";
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1;
    // cin >> t;
    while (t--) solve();
}
/*
4 3 7
2 1
2 2
2 3
3 1
3 2
4 1
4 2

3 3 8
1 1
1 2
1 3
2 3
3 3
3 2
3 1
2 1
*/

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3616kb

input:

4 3 7
2 1
2 2
2 3
3 1
3 2
4 1
4 2

output:

1111111

result:

ok "1111111"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

3 3 8
1 1
1 2
1 3
2 3
3 3
3 2
3 1
2 1

output:

11111110

result:

ok "11111110"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

10 10 7
9 1
6 6
3 8
8 7
5 10
1 7
1 2

output:

1111111

result:

ok "1111111"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3532kb

input:

9 10 50
1 9
1 6
2 3
3 1
7 4
9 4
1 3
2 5
9 2
7 9
5 6
8 10
9 5
5 5
4 10
9 7
5 9
3 2
4 5
1 1
4 7
3 6
2 8
4 3
8 6
5 10
4 8
5 4
7 2
9 6
4 2
7 8
5 2
3 5
9 1
6 1
1 5
9 9
5 8
6 3
8 8
8 4
7 7
7 1
3 7
2 2
3 10
6 9
8 3
7 6

output:

11111111111111111111111111111111111111111111111111

result:

ok "11111111111111111111111111111111111111111111111111"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3540kb

input:

3 5 11
1 5
2 4
1 2
1 3
3 3
3 1
3 4
2 3
1 4
2 1
2 5

output:

11111111111

result:

ok "11111111111"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

7 9 12
7 3
2 3
6 2
2 2
4 2
2 8
5 7
4 4
6 8
2 7
7 2
1 9

output:

111111111111

result:

ok "111111111111"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

1 4 1
1 2

output:

1

result:

ok "1"

Test #8:

score: -100
Wrong Answer
time: 0ms
memory: 3600kb

input:

9 8 67
5 5
8 3
9 5
7 4
5 1
9 3
4 2
2 5
1 7
7 8
7 2
8 5
6 1
8 8
4 4
5 4
1 5
3 4
6 7
2 3
3 7
5 7
2 4
2 7
1 3
7 3
2 8
6 6
6 2
6 3
7 5
9 6
7 6
3 6
1 1
6 4
3 1
5 3
8 7
2 1
4 1
8 4
8 6
3 5
5 8
1 6
1 2
4 6
9 4
1 4
3 3
4 8
8 1
4 7
9 8
3 8
6 5
6 8
3 2
2 2
7 1
9 2
4 3
1 8
4 5
8 2
7 7

output:

1111111111111111111111111111111111111111111110011111101010001101111

result:

wrong answer 1st words differ - expected: '111111111111111111111111111111...1111111110010101101000101101101', found: '111111111111111111111111111111...1111111110011111101010001101111'