Submission #957160

#TimeUsernameProblemLanguageResultExecution timeMemory
957160duckindogAliens (IOI16_aliens)C++17
4 / 100
1 ms600 KiB
#include <bits/stdc++.h> using namespace std; #ifndef LOCAL #include "aliens.h" #endif long long take_photos(int n, int m, int k, vector<int> r, vector<int> c) { using pii = pair<int, int>; vector<pii> p(n); vector<vector<long long>> f(k + 1, vector<long long>(n + 1, 1e15)); for (int i = 0; i < n; ++i) p[i] = {r[i], c[i]}; if (n <= 50 && m <= 100 && k == n) { vector<vector<bool>> mk(m, vector<bool>(m)); for (int i = 0; i < n; ++i) { auto [x, y] = p[i]; if (x > y) swap(x, y); for (int i = x; i <= y; ++i) { for (int j = x; j <= y; ++j) mk[i][j] = true; } } int answer = 0; for (int i = 0; i < m; ++i) for (int j = 0; j < m; ++j) answer += mk[i][j]; return answer; } auto dis = [&](pii a) { return abs(a.first - a.second) + 1; }; sort(p.begin(), p.end(), [&](const auto& a, const auto& b) { return make_pair(a.first, dis(a)) < make_pair(b.first, dis(b)); }); return 0; } #ifdef LOCAL int32_t main() { cin.tie(0)->sync_with_stdio(0); int n, m, k; cin >> n >> m >> k; vector<int> r(n), c(n); for (int i = 0; i < n; ++i) cin >> r[i] >> c[i]; cout << take_photos(n, m, k, r, c) << "\n"; } #endif
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