답안 #959404

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
959404	2024-04-08T07:05:22 Z	Pring	Bigger segments (IZhO19_segments)	C++17	100 / 100	54 ms	18284 KB

segments

#pragma GCC optimize("O3","unroll-loops")
#pragma GCC target("avx2","popcnt","sse4","abm")
#include <bits/stdc++.h>
using namespace std;

#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif

// #define int long long
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
using ll = long long;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;

const int MXN = 500005;
int n, a[MXN];
int dp[MXN];
ll pre[MXN];
vector<pli> dq;
int ptr;

void DP(int id) {
    while (ptr < dq.size() && dq[ptr].fs <= pre[id]) ptr++;
    int l = dq[ptr - 1].sc;
    dp[id] = dp[l] + 1;
    pli now = mp(2 * pre[id] - pre[l], id);
    debug(now.fs, now.sc);
    while (dq.size() && dq.back().fs >= now.fs) dq.pop_back();
    dq.push_back(now);
}

void miku() {
    cin >> n;
    FOR(i, 1, n + 1) cin >> a[i];
    FOR(i, 1, n + 1) pre[i] = pre[i - 1] + a[i];
    dq.push_back(mp(0LL, 0));
    FOR(i, 1, n + 1) DP(i);
    cout << dp[n] << '\n';
}

int32_t main() {
    cin.tie(0) -> sync_with_stdio(false);
    cin.exceptions(cin.failbit);
    miku();
    return 0;
}

Compilation message

segments.cpp: In function 'void DP(int)':
segments.cpp:33:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     while (ptr < dq.size() && dq[ptr].fs <= pre[id]) ptr++;
      |            ~~~~^~~~~~~~~~~
segments.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
segments.cpp:37:5: note: in expansion of macro 'debug'
   37 |     debug(now.fs, now.sc);
      |     ^~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	2 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2512 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	2 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2512 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2512 KB	Output is correct
24	Correct	2 ms	2508 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	2 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2512 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2512 KB	Output is correct
24	Correct	2 ms	2508 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct
31	Correct	2 ms	2652 KB	Output is correct
32	Correct	1 ms	2524 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2652 KB	Output is correct
35	Correct	1 ms	2652 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2652 KB	Output is correct
38	Correct	2 ms	2396 KB	Output is correct
39	Correct	1 ms	2652 KB	Output is correct
40	Correct	2 ms	2652 KB	Output is correct
41	Correct	1 ms	2648 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	1 ms	2652 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	2 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2512 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2512 KB	Output is correct
24	Correct	2 ms	2508 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct
31	Correct	2 ms	2652 KB	Output is correct
32	Correct	1 ms	2524 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2652 KB	Output is correct
35	Correct	1 ms	2652 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2652 KB	Output is correct
38	Correct	2 ms	2396 KB	Output is correct
39	Correct	1 ms	2652 KB	Output is correct
40	Correct	2 ms	2652 KB	Output is correct
41	Correct	1 ms	2648 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	1 ms	2652 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct
46	Correct	8 ms	7124 KB	Output is correct
47	Correct	9 ms	7316 KB	Output is correct
48	Correct	9 ms	5212 KB	Output is correct
49	Correct	10 ms	6108 KB	Output is correct
50	Correct	15 ms	7008 KB	Output is correct
51	Correct	11 ms	7124 KB	Output is correct
52	Correct	7 ms	5852 KB	Output is correct
53	Correct	4 ms	5460 KB	Output is correct
54	Correct	8 ms	7128 KB	Output is correct
55	Correct	11 ms	7128 KB	Output is correct
56	Correct	9 ms	7124 KB	Output is correct
57	Correct	9 ms	7124 KB	Output is correct
58	Correct	8 ms	7128 KB	Output is correct
59	Correct	9 ms	7128 KB	Output is correct
60	Correct	10 ms	7128 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	2 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2512 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2512 KB	Output is correct
24	Correct	2 ms	2508 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct
31	Correct	2 ms	2652 KB	Output is correct
32	Correct	1 ms	2524 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2652 KB	Output is correct
35	Correct	1 ms	2652 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2652 KB	Output is correct
38	Correct	2 ms	2396 KB	Output is correct
39	Correct	1 ms	2652 KB	Output is correct
40	Correct	2 ms	2652 KB	Output is correct
41	Correct	1 ms	2648 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	1 ms	2652 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct
46	Correct	8 ms	7124 KB	Output is correct
47	Correct	9 ms	7316 KB	Output is correct
48	Correct	9 ms	5212 KB	Output is correct
49	Correct	10 ms	6108 KB	Output is correct
50	Correct	15 ms	7008 KB	Output is correct
51	Correct	11 ms	7124 KB	Output is correct
52	Correct	7 ms	5852 KB	Output is correct
53	Correct	4 ms	5460 KB	Output is correct
54	Correct	8 ms	7128 KB	Output is correct
55	Correct	11 ms	7128 KB	Output is correct
56	Correct	9 ms	7124 KB	Output is correct
57	Correct	9 ms	7124 KB	Output is correct
58	Correct	8 ms	7128 KB	Output is correct
59	Correct	9 ms	7128 KB	Output is correct
60	Correct	10 ms	7128 KB	Output is correct
61	Correct	41 ms	16708 KB	Output is correct
62	Correct	40 ms	16580 KB	Output is correct
63	Correct	37 ms	17876 KB	Output is correct
64	Correct	46 ms	10452 KB	Output is correct
65	Correct	54 ms	16448 KB	Output is correct
66	Correct	53 ms	16580 KB	Output is correct
67	Correct	43 ms	16072 KB	Output is correct
68	Correct	22 ms	10452 KB	Output is correct
69	Correct	39 ms	17172 KB	Output is correct
70	Correct	49 ms	17556 KB	Output is correct
71	Correct	33 ms	16604 KB	Output is correct
72	Correct	35 ms	17988 KB	Output is correct
73	Correct	39 ms	16584 KB	Output is correct
74	Correct	40 ms	18284 KB	Output is correct
75	Correct	40 ms	17392 KB	Output is correct

답안 #959404

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0