답안 #345146

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
345146	2021-01-07T05:19:24 Z	Rakhmand	Bigger segments (IZhO19_segments)	C++14	100 / 100	281 ms	24932 KB

segments

//
//  A.cpp
//  torelax
//
//  Created by Rakhman on 1/5/21.
//

#include <cstring>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>
#include <iterator>

#define ios ios_base::sync_with_stdio(0), cout.tie(0), cin.tie(0);
#define S second
#define F first
#define pb push_back
#define nl '\n'
#define NL cout << '\n';
#define EX exit(0)
#define all(s) s.begin(), s.end()
#define no_answer {cout << "NO"; exit(0);}
#define FOR(i, start, finish, k) for(llong i = start; i <= finish; i += k)

const long long mxn = 1e6 + 110;
const long long mnn = 3e3 + 2;
const long long mod = 1e9 + 7;
const long long inf = 1e18;
const long long OO = 1e9 + 100;

typedef long long llong;
typedef unsigned long long ullong;

using namespace std;

llong n, b[mxn], pr[mxn], mx[mxn], dp[mxn];

int main() {
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> b[i];
        pr[i] = pr[i - 1] + b[i];
    }
    vector<pair<llong, int> > v;
    v.push_back({0, 0});
    for(int i = 1; i <= n; i++) {
        int x = upper_bound(v.begin(), v.end(), make_pair(pr[i], -1)) - v.begin();
        if(x == v.size() || v[x].F > pr[i]) x--;
        dp[i] = dp[v[x].S] + 1;
        while(v.size() > 0 && v.back().F >= 2 * pr[i] - pr[v[x].S]){
            v.pop_back();
        }
        v.push_back({2 * pr[i] - pr[v[x].S], i});
    }
    cout << dp[n];
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:65:14: 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]
   65 |         if(x == v.size() || v[x].F > pr[i]) x--;
      |            ~~^~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	2 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	2 ms	492 KB	Output is correct
34	Correct	2 ms	492 KB	Output is correct
35	Correct	2 ms	492 KB	Output is correct
36	Correct	3 ms	492 KB	Output is correct
37	Correct	2 ms	492 KB	Output is correct
38	Correct	2 ms	492 KB	Output is correct
39	Correct	2 ms	492 KB	Output is correct
40	Correct	3 ms	492 KB	Output is correct
41	Correct	1 ms	492 KB	Output is correct
42	Correct	2 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	2 ms	492 KB	Output is correct
45	Correct	2 ms	492 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	2 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	2 ms	492 KB	Output is correct
34	Correct	2 ms	492 KB	Output is correct
35	Correct	2 ms	492 KB	Output is correct
36	Correct	3 ms	492 KB	Output is correct
37	Correct	2 ms	492 KB	Output is correct
38	Correct	2 ms	492 KB	Output is correct
39	Correct	2 ms	492 KB	Output is correct
40	Correct	3 ms	492 KB	Output is correct
41	Correct	1 ms	492 KB	Output is correct
42	Correct	2 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	2 ms	492 KB	Output is correct
45	Correct	2 ms	492 KB	Output is correct
46	Correct	32 ms	4832 KB	Output is correct
47	Correct	34 ms	5260 KB	Output is correct
48	Correct	50 ms	3692 KB	Output is correct
49	Correct	56 ms	4576 KB	Output is correct
50	Correct	48 ms	5600 KB	Output is correct
51	Correct	50 ms	5728 KB	Output is correct
52	Correct	34 ms	3044 KB	Output is correct
53	Correct	21 ms	1896 KB	Output is correct
54	Correct	33 ms	4960 KB	Output is correct
55	Correct	49 ms	5600 KB	Output is correct
56	Correct	32 ms	5088 KB	Output is correct
57	Correct	43 ms	5088 KB	Output is correct
58	Correct	38 ms	5088 KB	Output is correct
59	Correct	47 ms	5216 KB	Output is correct
60	Correct	44 ms	5216 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	2 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	2 ms	492 KB	Output is correct
34	Correct	2 ms	492 KB	Output is correct
35	Correct	2 ms	492 KB	Output is correct
36	Correct	3 ms	492 KB	Output is correct
37	Correct	2 ms	492 KB	Output is correct
38	Correct	2 ms	492 KB	Output is correct
39	Correct	2 ms	492 KB	Output is correct
40	Correct	3 ms	492 KB	Output is correct
41	Correct	1 ms	492 KB	Output is correct
42	Correct	2 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	2 ms	492 KB	Output is correct
45	Correct	2 ms	492 KB	Output is correct
46	Correct	32 ms	4832 KB	Output is correct
47	Correct	34 ms	5260 KB	Output is correct
48	Correct	50 ms	3692 KB	Output is correct
49	Correct	56 ms	4576 KB	Output is correct
50	Correct	48 ms	5600 KB	Output is correct
51	Correct	50 ms	5728 KB	Output is correct
52	Correct	34 ms	3044 KB	Output is correct
53	Correct	21 ms	1896 KB	Output is correct
54	Correct	33 ms	4960 KB	Output is correct
55	Correct	49 ms	5600 KB	Output is correct
56	Correct	32 ms	5088 KB	Output is correct
57	Correct	43 ms	5088 KB	Output is correct
58	Correct	38 ms	5088 KB	Output is correct
59	Correct	47 ms	5216 KB	Output is correct
60	Correct	44 ms	5216 KB	Output is correct
61	Correct	144 ms	21972 KB	Output is correct
62	Correct	161 ms	21992 KB	Output is correct
63	Correct	169 ms	21080 KB	Output is correct
64	Correct	233 ms	18396 KB	Output is correct
65	Correct	258 ms	24932 KB	Output is correct
66	Correct	251 ms	23896 KB	Output is correct
67	Correct	211 ms	21460 KB	Output is correct
68	Correct	102 ms	10972 KB	Output is correct
69	Correct	129 ms	20440 KB	Output is correct
70	Correct	281 ms	24328 KB	Output is correct
71	Correct	183 ms	21968 KB	Output is correct
72	Correct	195 ms	20940 KB	Output is correct
73	Correct	181 ms	21840 KB	Output is correct
74	Correct	195 ms	23368 KB	Output is correct
75	Correct	206 ms	23348 KB	Output is correct

답안 #345146

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