結果
問題 | No.953 席 |
ユーザー | Mayimg |
提出日時 | 2020-07-24 01:16:33 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,320 bytes |
コンパイル時間 | 3,370 ms |
コンパイル使用メモリ | 228,776 KB |
実行使用メモリ | 9,932 KB |
最終ジャッジ日時 | 2024-06-24 00:46:19 |
合計ジャッジ時間 | 7,393 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,812 KB |
testcase_02 | AC | 58 ms
6,940 KB |
testcase_03 | AC | 56 ms
6,940 KB |
testcase_04 | AC | 59 ms
6,940 KB |
testcase_05 | AC | 50 ms
6,940 KB |
testcase_06 | AC | 58 ms
6,940 KB |
testcase_07 | AC | 115 ms
9,636 KB |
testcase_08 | WA | - |
testcase_09 | AC | 106 ms
9,736 KB |
testcase_10 | AC | 30 ms
6,940 KB |
testcase_11 | AC | 77 ms
7,732 KB |
testcase_12 | AC | 77 ms
8,268 KB |
testcase_13 | AC | 112 ms
9,708 KB |
testcase_14 | AC | 82 ms
7,912 KB |
testcase_15 | AC | 77 ms
7,884 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 63 ms
7,040 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | AC | 39 ms
6,940 KB |
ソースコード
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; vector<int> order; struct Comp { bool operator() (const pair<int, int>& x, const pair<int, int>& y) const { if (x.first != y.first) return x.first < y.first; return order[x.second] < order[y.second]; } }; signed main() { ios::sync_with_stdio(false); cin.tie(0); int n, k1, k2; cin >> n >> k1 >> k2; order = vector<int>(n + 1); order[k1] = 0; order[k2] = 1; if (k2 > k1) { int c = 2; for (int i = k1 - 1; i >= 1; i--) { order[i] = c; c += 2; } c = 3; for (int i = k2 + 1; i <= n; i++) { order[i] = c; c += 2; } } else { int c = 2; for (int i = k1 + 1; i <= n; i++) { order[i] = c; c += 2; } c = 3; for (int i = k2 - 1; i >= 1; i--) { order[i] = c; c += 2; } } set<pair<int, int>, Comp> available; vector<bool> occupy(n + 5); auto whenCome = [&] (int idx) { occupy[idx] = true; available.erase(make_pair(0, idx)); available.erase(make_pair(1, idx)); if (idx - 1 >= 1 && !occupy[idx - 1]) { available.erase(make_pair(0, idx - 1)); available.insert(make_pair(1, idx - 1)); } if (idx + 1 <= n && !occupy[idx + 1]) { available.erase(make_pair(0, idx + 1)); available.insert(make_pair(1, idx + 1)); } }; auto whenLeave = [&] (int idx) { occupy[idx] = false; if (!occupy[idx - 1] && !occupy[idx + 1]) available.insert(make_pair(0, idx)); else available.insert(make_pair(1, idx)); if (!occupy[idx - 1]) { if (idx - 1 >= 1 && !occupy[idx - 2]) { available.erase(make_pair(1, idx - 1)); available.insert(make_pair(0, idx - 1)); } } if (!occupy[idx + 1]) { if (idx + 1 <= n && !occupy[idx + 2]) { available.erase(make_pair(1, idx + 1)); available.insert(make_pair(0, idx + 1)); } } }; auto come = [&] () { if (available.empty()) return -1; int idx = available.begin()->second; whenCome(idx); return idx; }; for (int i = 1; i <= n; i++) available.insert(make_pair(0, i)); int q; cin >> q; vector<long long> a(q), b(q); for (int i = 0; i < q; i++) cin >> a[i] >> b[i]; auto aa = a; { priority_queue<long long, vector<long long>, greater<long long>> que; for (int i = 0; i < q; i++) { if (i == 86515 || i == 86515 - 1) { //cerr << i << " " << a[i] << " " << que.size() << " " << (que.empty() ? -1LL : que.top()) << endl; while (!que.empty() && que.top() <= a[i]) que.pop(); //cerr << i << " " << a[i] << " " << que.size() << " " << (que.empty() ? -1LL : que.top()) << endl; if ((int) que.size() < n) { if (!que.empty() && que.top() > a[i]) { a[i] = a[i - 1]; } que.push(a[i] + b[i]); continue; } long long mx = que.top(); while (!que.empty() && que.top() <= mx) que.pop(); a[i] = mx; //cerr << a[i] << " " << a[i] + b[i] << endl; que.push(a[i] + b[i]); } else { while (!que.empty() && que.top() <= a[i]) que.pop(); //cout << i << " " << que.size() << " " << (que.empty() ? -1LL : que.top()) << endl; if ((int) que.size() < n) { que.push(a[i] + b[i]); continue; } long long mx = que.top(); while (!que.empty() && que.top() <= mx) que.pop(); a[i] = mx; que.push(a[i] + b[i]); } } } priority_queue<pair<long long, int>, vector<pair<long long, int>>, greater<pair<long long, int>>> que; vector<int> ans(q); for (int i = 0; i < q; i++) { while (!que.empty() && que.top().first <= a[i]) { int p = que.top().second; que.pop(); whenLeave(ans[p]); } int idx = come(); ans[i] = idx; que.emplace(a[i] + b[i], i); } for (int i = 1; i < q; i++) { // if (a[i - 1] > a[i]) cerr << i << endl; // assert(a[i - 1] <= a[i]); } // vector<int> c_ans(q); // for (int i = 0; i < q; i++) cin >> c_ans[i]; // for (int i = 0; i < q; i++) { // cout << ans[i] << " " << c_ans[i] << " " << " " << aa[i] << " " << a[i] << " " << a[i] + b[i] << " correct = " << (ans[i] == c_ans[i]) << '\n'; // } // return 0; for (auto& x : ans) cout << x << '\n'; return 0; }