Submission #831575

#	Time	Username	Problem	Language	Result	Execution time	Memory
831575		GordonRemzi007	Game (eJOI20_game)	C++17	20 / 100	1 ms	320 KiB

game

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

	int n, m, cnt;
    pair<int,int> temp;
    queue<pair<int,int>> q;
    cin >> n >> m;
    vector<int> c;
    vector<string> h(n+1), v(n);
    vector<vector<bool>> visited(n, vector<bool>(m, false));
    for(int i = 0; i <= n; i++) cin >> h[i];
    for(int i = 0; i < n; i++) cin >> v[i];
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            if(!visited[i][j] && (h[i][j] == '0' || h[i+1][j] == '0' || v[i][j] == '0' || v[i][j+1] == '0')) {
                cnt = 0;
                q.push({i, j});
                visited[i][j] = true;
                while(q.size()) {
                    cnt++;
                    temp = q.front();
                    q.pop();
                    if(temp.first != 0 && h[temp.first][temp.second] == '0' && !visited[temp.first-1][temp.second]) {
                        visited[temp.first-1][temp.second] = true;
                        q.push({temp.first-1, temp.second});
                    }
                    if(temp.first != n-1 && h[temp.first+1][temp.second] == '0' && !visited[temp.first+1][temp.second]) {
                        visited[temp.first+1][temp.second] = true;
                        q.push({temp.first+1, temp.second});
                    }
                    if(temp.second != 0 && v[temp.first][temp.second] == '0' && !visited[temp.first][temp.second-1]) {
                        visited[temp.first][temp.second-1] = true;
                        q.push({temp.first, temp.second-1});
                    }
                    if(temp.second != m-1 && v[temp.first][temp.second+1] == '0'  && !visited[temp.first][temp.second+1]) {
                        visited[temp.first][temp.second+1] = true;
                        q.push({temp.first, temp.second+1});
                    }
                }
                c.push_back(cnt);
            }
        }
    }
    sort(c.begin(), c.end());
    //for(auto i : c) cout << i << "\n";
    cout << c[1]-c[0] << "\n";

}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20