답안 #965105

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
965105	2024-04-18T06:49:58 Z	weakweakweak	역사적 조사 (JOI14_historical)	C++17	100 / 100	316 ms	25044 KB

historic

//回滾莫隊 裸題
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int,int>;

#define fs first
#define sc second

int n, q, a[510000], cnt[510000] = {0};
long long nowans, ans[510000];
vector <int> b;
int B;
vector <pair<pii,int>> qs[510000];

void add (int x) {
    cnt[x]++;
    nowans = max(nowans, b[x] * 1LL * cnt[x]);
}

int main () {
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> q;
    B = sqrt((n + q + 1) / 2);
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        b.push_back(a[i]);
    }
    sort (b.begin(), b.end());
    b.erase(unique(b.begin(), b.end()), b.end());
    for (int i = 1; i <= n; i++) a[i] = lower_bound(b.begin(), b.end(), a[i]) - b.begin();

    for (int i = 1; i <= q; i++) {
        pii p;
        cin >> p.fs >> p.sc;
        int lb = p.fs / B, rb = p.sc / B;
        if (lb == rb) { // 特判塊太小
            for (int j = p.fs; j <= p.sc; j++) cnt[a[j]] = 0;
            nowans = 0;
            for (int j = p.fs; j <= p.sc; j++) add(a[j]);
            ans[i] = nowans;
            continue;
        }
        qs[p.fs / B] . push_back({p, i}); 
    }

    for (int i = 1 / B; i <= n / B; i++) {
        sort(qs[i].begin(), qs[i].end(), [](pair<pii,int>a, pair<pii,int>b){return a.fs.sc < b.fs.sc;} );
        int RB = min(i * B + B, n), R = RB - 1;
        nowans = 0;
        memset(cnt, 0, sizeof(cnt));
        for (auto qq : qs[i]) {
            while (R < qq.fs.sc) {
                R++;
                add(a[R]);
            }
            long long oldans = nowans;
            vector <pii> old;
            for (int j = RB - 1; j >= qq.fs.fs; j--) old.push_back({a[j], cnt[a[j]]});
            for (int j = RB - 1; j >= qq.fs.fs; j--) add(a[j]);
            ans[qq.sc] = nowans;
            nowans = oldans;
            for (pii p : old) cnt[p.fs] = p.sc;
        }
    }

    for (int i = 1; i <= q; i++) cout << ans[i] << '\n';
return 0;}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	16984 KB	Output is correct
2	Correct	7 ms	17044 KB	Output is correct
3	Correct	4 ms	16984 KB	Output is correct
4	Correct	4 ms	16984 KB	Output is correct
5	Correct	5 ms	16988 KB	Output is correct
6	Correct	4 ms	16988 KB	Output is correct
7	Correct	4 ms	16988 KB	Output is correct
8	Correct	4 ms	16988 KB	Output is correct
9	Correct	4 ms	16988 KB	Output is correct
10	Correct	4 ms	16984 KB	Output is correct
11	Correct	4 ms	17048 KB	Output is correct
12	Correct	4 ms	16988 KB	Output is correct
13	Correct	4 ms	17052 KB	Output is correct
14	Correct	4 ms	16988 KB	Output is correct
15	Correct	4 ms	16988 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	16984 KB	Output is correct
2	Correct	7 ms	17044 KB	Output is correct
3	Correct	4 ms	16984 KB	Output is correct
4	Correct	4 ms	16984 KB	Output is correct
5	Correct	5 ms	16988 KB	Output is correct
6	Correct	4 ms	16988 KB	Output is correct
7	Correct	4 ms	16988 KB	Output is correct
8	Correct	4 ms	16988 KB	Output is correct
9	Correct	4 ms	16988 KB	Output is correct
10	Correct	4 ms	16984 KB	Output is correct
11	Correct	4 ms	17048 KB	Output is correct
12	Correct	4 ms	16988 KB	Output is correct
13	Correct	4 ms	17052 KB	Output is correct
14	Correct	4 ms	16988 KB	Output is correct
15	Correct	4 ms	16988 KB	Output is correct
16	Correct	5 ms	17048 KB	Output is correct
17	Correct	5 ms	16988 KB	Output is correct
18	Correct	5 ms	16984 KB	Output is correct
19	Correct	6 ms	16988 KB	Output is correct
20	Correct	10 ms	16984 KB	Output is correct
21	Correct	11 ms	17244 KB	Output is correct
22	Correct	13 ms	17244 KB	Output is correct
23	Correct	11 ms	17240 KB	Output is correct
24	Correct	10 ms	17244 KB	Output is correct
25	Correct	11 ms	17268 KB	Output is correct
26	Correct	11 ms	17280 KB	Output is correct
27	Correct	11 ms	17240 KB	Output is correct
28	Correct	11 ms	17244 KB	Output is correct
29	Correct	10 ms	17244 KB	Output is correct
30	Correct	10 ms	17244 KB	Output is correct
31	Correct	10 ms	17164 KB	Output is correct
32	Correct	11 ms	17244 KB	Output is correct
33	Correct	14 ms	17240 KB	Output is correct
34	Correct	12 ms	17244 KB	Output is correct
35	Correct	11 ms	17244 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	17052 KB	Output is correct
2	Correct	4 ms	16988 KB	Output is correct
3	Correct	5 ms	16988 KB	Output is correct
4	Correct	5 ms	17240 KB	Output is correct
5	Correct	5 ms	16984 KB	Output is correct
6	Correct	7 ms	16988 KB	Output is correct
7	Correct	8 ms	16988 KB	Output is correct
8	Correct	12 ms	17240 KB	Output is correct
9	Correct	17 ms	17500 KB	Output is correct
10	Correct	23 ms	17632 KB	Output is correct
11	Correct	71 ms	21972 KB	Output is correct
12	Correct	34 ms	18128 KB	Output is correct
13	Correct	77 ms	18872 KB	Output is correct
14	Correct	95 ms	20192 KB	Output is correct
15	Correct	56 ms	22584 KB	Output is correct
16	Correct	146 ms	20604 KB	Output is correct
17	Correct	86 ms	18428 KB	Output is correct
18	Correct	159 ms	23248 KB	Output is correct
19	Correct	182 ms	23780 KB	Output is correct
20	Correct	66 ms	18892 KB	Output is correct

Subtask #4
60.0 / 60.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	16984 KB	Output is correct
2	Correct	7 ms	17044 KB	Output is correct
3	Correct	4 ms	16984 KB	Output is correct
4	Correct	4 ms	16984 KB	Output is correct
5	Correct	5 ms	16988 KB	Output is correct
6	Correct	4 ms	16988 KB	Output is correct
7	Correct	4 ms	16988 KB	Output is correct
8	Correct	4 ms	16988 KB	Output is correct
9	Correct	4 ms	16988 KB	Output is correct
10	Correct	4 ms	16984 KB	Output is correct
11	Correct	4 ms	17048 KB	Output is correct
12	Correct	4 ms	16988 KB	Output is correct
13	Correct	4 ms	17052 KB	Output is correct
14	Correct	4 ms	16988 KB	Output is correct
15	Correct	4 ms	16988 KB	Output is correct
16	Correct	5 ms	17048 KB	Output is correct
17	Correct	5 ms	16988 KB	Output is correct
18	Correct	5 ms	16984 KB	Output is correct
19	Correct	6 ms	16988 KB	Output is correct
20	Correct	10 ms	16984 KB	Output is correct
21	Correct	11 ms	17244 KB	Output is correct
22	Correct	13 ms	17244 KB	Output is correct
23	Correct	11 ms	17240 KB	Output is correct
24	Correct	10 ms	17244 KB	Output is correct
25	Correct	11 ms	17268 KB	Output is correct
26	Correct	11 ms	17280 KB	Output is correct
27	Correct	11 ms	17240 KB	Output is correct
28	Correct	11 ms	17244 KB	Output is correct
29	Correct	10 ms	17244 KB	Output is correct
30	Correct	10 ms	17244 KB	Output is correct
31	Correct	10 ms	17164 KB	Output is correct
32	Correct	11 ms	17244 KB	Output is correct
33	Correct	14 ms	17240 KB	Output is correct
34	Correct	12 ms	17244 KB	Output is correct
35	Correct	11 ms	17244 KB	Output is correct
36	Correct	5 ms	17052 KB	Output is correct
37	Correct	4 ms	16988 KB	Output is correct
38	Correct	5 ms	16988 KB	Output is correct
39	Correct	5 ms	17240 KB	Output is correct
40	Correct	5 ms	16984 KB	Output is correct
41	Correct	7 ms	16988 KB	Output is correct
42	Correct	8 ms	16988 KB	Output is correct
43	Correct	12 ms	17240 KB	Output is correct
44	Correct	17 ms	17500 KB	Output is correct
45	Correct	23 ms	17632 KB	Output is correct
46	Correct	71 ms	21972 KB	Output is correct
47	Correct	34 ms	18128 KB	Output is correct
48	Correct	77 ms	18872 KB	Output is correct
49	Correct	95 ms	20192 KB	Output is correct
50	Correct	56 ms	22584 KB	Output is correct
51	Correct	146 ms	20604 KB	Output is correct
52	Correct	86 ms	18428 KB	Output is correct
53	Correct	159 ms	23248 KB	Output is correct
54	Correct	182 ms	23780 KB	Output is correct
55	Correct	66 ms	18892 KB	Output is correct
56	Correct	17 ms	17492 KB	Output is correct
57	Correct	38 ms	18008 KB	Output is correct
58	Correct	59 ms	18340 KB	Output is correct
59	Correct	91 ms	18900 KB	Output is correct
60	Correct	121 ms	19416 KB	Output is correct
61	Correct	137 ms	20116 KB	Output is correct
62	Correct	148 ms	22832 KB	Output is correct
63	Correct	189 ms	23624 KB	Output is correct
64	Correct	203 ms	24016 KB	Output is correct
65	Correct	281 ms	24208 KB	Output is correct
66	Correct	272 ms	24272 KB	Output is correct
67	Correct	253 ms	24456 KB	Output is correct
68	Correct	261 ms	24360 KB	Output is correct
69	Correct	268 ms	24336 KB	Output is correct
70	Correct	304 ms	24592 KB	Output is correct
71	Correct	279 ms	24616 KB	Output is correct
72	Correct	284 ms	24628 KB	Output is correct
73	Correct	283 ms	24616 KB	Output is correct
74	Correct	316 ms	24532 KB	Output is correct
75	Correct	283 ms	24532 KB	Output is correct
76	Correct	296 ms	24592 KB	Output is correct
77	Correct	271 ms	24688 KB	Output is correct
78	Correct	284 ms	24568 KB	Output is correct
79	Correct	265 ms	24504 KB	Output is correct
80	Correct	275 ms	25044 KB	Output is correct

답안 #965105

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 25.0 / 25.0

Subtask #4 60.0 / 60.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
25.0 / 25.0

Subtask #4
60.0 / 60.0