Submission #1103590

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103590		fve5	Mars (APIO22_mars)	C++17	14 / 100	16 ms	3264 KiB

mars

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

#define SIZE 100

string collect(const vector<vector<string>> &a, int k) {
	string ans;
	for (int i = 0; i < 2 * k + 3; i++) {
		if (i < 2 * k + 1) {
			ans += a[0][0].substr(i * (2 * k + 1), 2 * k + 1) + a[0][1][i * (2 * k + 1) + 2 * k] + a[0][2][i * (2 * k + 1) + 2 * k];
		} else {
			int j = i - 2 * k;
			ans += a[j][0].substr((2 * k) * (2 * k + 1), 2 * k + 1) + a[j][1][(2 * k) * (2 * k + 1) + 2 * k] + a[j][2][(2 * k) * (2 * k + 1) + 2 * k];
		}
	}
	
	return ans + string(SIZE - ans.size(), '0');
}

string cc(const vector<vector<string>> &a, int n) {
	string grid = collect(a, n - 1);
	int m = 2 * n + 1;
	auto get = [&](int i, int j) { return grid[m * i + j] == '1'; };
	
	vector<vector<bool>> vis(m, vector<bool>(m));

	int cnt = 0;
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < m; j++) {
			if (vis[i][j] || !get(i, j)) continue;

			cnt++;
			queue<pair<int, int>> q;
			q.emplace(i, j);

			while (!q.empty()) {
				auto [x, y] = q.front(); q.pop();
				if (vis[x][y] || !get(x, y)) continue;
				vis[x][y] = true;

				if (x > 0)
					q.emplace(x - 1, y);
				if (x < m - 1)
					q.emplace(x + 1, y);
				if (y > 0)
					q.emplace(x, y - 1);
				if (y < m - 1)
					q.emplace(x, y + 1);
			}
		}
	}

	string ans(SIZE, '0');
	for (int i = 0; i < SIZE; i++) {
		if (cnt & 1)
			ans[i] = '1';
		cnt >>= 1;
	}
	return ans;
}

string process(vector<vector<string>> a, int i, int j, int k, int n) {
	if (k == n - 1)
		return cc(a, n);
	if (k <= 3)
		return collect(a, k);
	
	assert(false);
}

• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 0 / 7
• Subtask 4: 0 / 8
• Subtask 5: 0 / 7
• Subtask 6: 0 / 8
• Subtask 7: 0 / 10
• Subtask 8: 0 / 24
• Subtask 9: 0 / 11
• Subtask 10: 0 / 11