結果

問題 No.953 席
ユーザー 👑 hitonanodehitonanode
提出日時 2019-12-16 02:18:05
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 348 ms / 2,000 ms
コード長 3,266 bytes
コンパイル時間 2,062 ms
コンパイル使用メモリ 189,428 KB
実行使用メモリ 30,668 KB
最終ジャッジ日時 2023-09-15 16:32:16
合計ジャッジ時間 9,902 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
このコードへのチャレンジ
(要ログイン)

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 1 ms
4,380 KB
testcase_01 AC 2 ms
4,380 KB
testcase_02 AC 183 ms
25,936 KB
testcase_03 AC 171 ms
25,716 KB
testcase_04 AC 180 ms
25,932 KB
testcase_05 AC 147 ms
25,384 KB
testcase_06 AC 189 ms
26,064 KB
testcase_07 AC 303 ms
24,348 KB
testcase_08 AC 332 ms
29,004 KB
testcase_09 AC 271 ms
22,980 KB
testcase_10 AC 79 ms
10,604 KB
testcase_11 AC 250 ms
22,444 KB
testcase_12 AC 309 ms
28,600 KB
testcase_13 AC 332 ms
30,096 KB
testcase_14 AC 277 ms
27,968 KB
testcase_15 AC 264 ms
27,696 KB
testcase_16 AC 271 ms
27,760 KB
testcase_17 AC 203 ms
26,020 KB
testcase_18 AC 191 ms
26,024 KB
testcase_19 AC 245 ms
26,736 KB
testcase_20 AC 191 ms
25,620 KB
testcase_21 AC 156 ms
25,844 KB
testcase_22 AC 286 ms
29,164 KB
testcase_23 AC 214 ms
26,912 KB
testcase_24 AC 214 ms
26,852 KB
testcase_25 AC 348 ms
30,668 KB
testcase_26 AC 127 ms
25,572 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
using namespace std;
using lint = long long int;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define REP(i, n) FOR(i,0,n)
template<typename T> istream &operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; }
///// This part below is only for debug, not used /////
template<typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; }
template<typename T> ostream &operator<<(ostream &os, const set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; }
template<typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; }
#define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl;
///// END /////

int main()
{
    int N, K, K2;
    cin >> N >> K >> K2;
    vector<int> yusen(N + 2);

    int i = K, j = K2, pr = 0;
    if (K2 < K) {
        i = K2, j = K + 1, pr = 1;
    }
    while (true) {
        if (i <= 0 and j > N) break;
        if (i > 0) yusen[i--] = pr++;
        if (j <= N) yusen[j++] = pr++;
    }
    auto f = [&](int l, int r) { return yusen[l] < yusen[r]; };
    set<int, function<bool(int l, int r)>> aki(f), aki_pri(f);
    FOR(i, 1, N + 1) aki.insert(i), aki_pri.insert(i);
    map<lint, vector<plint>> kyaku;
    int Q;
    cin >> Q;
    REP(q, Q) {
        lint a, b;
        cin >> a >> b;
        kyaku[a].emplace_back(q, b);  // hito, duration
    }
    lint t = -1;
    vector<int> ret(Q);
    queue<plint> waiting;
    vector<int> state(N + 2);
    while (true)
    {
        auto p = kyaku.upper_bound(t);
        if (p == kyaku.end()) break;
        t = p->first;
        for (auto pa : p->second) {
            lint q = pa.first, T = pa.second;
            if (q >= 0) waiting.emplace(q, T);
            if (q < 0) {
                aki.insert(T);
                state[T] = 0;
                FOR(d, -1, 2) if (T + d > 0 and T + d <= N and !state[T + d - 1] and !state[T + d] and !state[T + d + 1]) aki_pri.insert(T + d);
            }
        }
        while (aki.size() and waiting.size()) {
            lint q = waiting.front().first, T = waiting.front().second;
            int v;
            if (aki_pri.size())
            {
                v = *aki_pri.begin();
            }
            else
            {
                v = *aki.begin();
            }
            kyaku[t + T].emplace_back(-1, v);
            aki_pri.erase(v);
            aki_pri.erase(v - 1);
            aki_pri.erase(v + 1);
            aki.erase(v);
            state[v] = 1;
            ret[q] = v;
            waiting.pop();
        }
    }

    if (aki.size() != N or aki_pri.size() != N) exit(8);

    for (auto q : ret)
    {
        if (q <= 0 or q > N) exit(8);
        printf("%d\n", q);
    }
}
0