답안 #308807

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
308807	2020-10-02T01:00:49 Z	nikatamliani	Bigger segments (IZhO19_segments)	C++14	100 / 100	449 ms	17024 KB

segments

#include <bits/stdc++.h>
#define f first
#define s second 
#define ll long long 
using namespace std;
const int N = 5e5 + 10;
pair < int, ll > dp[N];
ll sum[N], p[N], n;
int main() {
    cin >> n;
    for(int i = 1; i <= n; ++i) cin >> sum[i], sum[i] += sum[i - 1];
    for(int i = 0; i <= n; ++i) {
        if(i && dp[i].f == dp[i - 1].f) {
            dp[i].s = min(dp[i].s, dp[i - 1].s + sum[i] - sum[i - 1]);
        }
        if(i && dp[i].f < dp[i - 1].f) {
            dp[i].f = dp[i - 1].f;
            dp[i].s = dp[i - 1].s + sum[i] - sum[i - 1];
        }
        int l = i + 1, r = n, ans = -1;
        while(r >= l) {
            int m = l + r >> 1;
            if(sum[m] - sum[i] >= dp[i].s) {
                r = m - 1;
                ans = m;
            } else {
                l = m + 1;
            }
        }
        if(~ans && dp[ans].f == dp[i].f + 1) {
            dp[ans].s = min(dp[ans].s, sum[ans] - sum[i]);
        }
        if(~ans && dp[ans].f < dp[i].f + 1) {
            dp[ans].f = dp[i].f + 1;
            dp[ans].s = sum[ans] - sum[i];
        }
    }
    cout << dp[n].f << '\n';
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:22:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   22 |             int m = l + r >> 1;
      |                     ~~^~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 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	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 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	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	3 ms	384 KB	Output is correct
34	Correct	3 ms	384 KB	Output is correct
35	Correct	3 ms	384 KB	Output is correct
36	Correct	3 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct
38	Correct	2 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	3 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	2 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	2 ms	384 KB	Output is correct
45	Correct	2 ms	384 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	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	3 ms	384 KB	Output is correct
34	Correct	3 ms	384 KB	Output is correct
35	Correct	3 ms	384 KB	Output is correct
36	Correct	3 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct
38	Correct	2 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	3 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	2 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	2 ms	384 KB	Output is correct
45	Correct	2 ms	384 KB	Output is correct
46	Correct	45 ms	2680 KB	Output is correct
47	Correct	55 ms	3192 KB	Output is correct
48	Correct	80 ms	3660 KB	Output is correct
49	Correct	85 ms	3576 KB	Output is correct
50	Correct	88 ms	3704 KB	Output is correct
51	Correct	91 ms	3704 KB	Output is correct
52	Correct	46 ms	2040 KB	Output is correct
53	Correct	28 ms	1272 KB	Output is correct
54	Correct	34 ms	2936 KB	Output is correct
55	Correct	90 ms	3704 KB	Output is correct
56	Correct	50 ms	3320 KB	Output is correct
57	Correct	47 ms	3064 KB	Output is correct
58	Correct	50 ms	3192 KB	Output is correct
59	Correct	59 ms	3320 KB	Output is correct
60	Correct	61 ms	3320 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	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	3 ms	384 KB	Output is correct
34	Correct	3 ms	384 KB	Output is correct
35	Correct	3 ms	384 KB	Output is correct
36	Correct	3 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct
38	Correct	2 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	3 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	2 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	2 ms	384 KB	Output is correct
45	Correct	2 ms	384 KB	Output is correct
46	Correct	45 ms	2680 KB	Output is correct
47	Correct	55 ms	3192 KB	Output is correct
48	Correct	80 ms	3660 KB	Output is correct
49	Correct	85 ms	3576 KB	Output is correct
50	Correct	88 ms	3704 KB	Output is correct
51	Correct	91 ms	3704 KB	Output is correct
52	Correct	46 ms	2040 KB	Output is correct
53	Correct	28 ms	1272 KB	Output is correct
54	Correct	34 ms	2936 KB	Output is correct
55	Correct	90 ms	3704 KB	Output is correct
56	Correct	50 ms	3320 KB	Output is correct
57	Correct	47 ms	3064 KB	Output is correct
58	Correct	50 ms	3192 KB	Output is correct
59	Correct	59 ms	3320 KB	Output is correct
60	Correct	61 ms	3320 KB	Output is correct
61	Correct	227 ms	14072 KB	Output is correct
62	Correct	236 ms	14072 KB	Output is correct
63	Correct	274 ms	14588 KB	Output is correct
64	Correct	422 ms	16632 KB	Output is correct
65	Correct	445 ms	17024 KB	Output is correct
66	Correct	449 ms	17016 KB	Output is correct
67	Correct	357 ms	13560 KB	Output is correct
68	Correct	180 ms	7032 KB	Output is correct
69	Correct	172 ms	13048 KB	Output is correct
70	Correct	447 ms	17016 KB	Output is correct
71	Correct	226 ms	14200 KB	Output is correct
72	Correct	268 ms	14456 KB	Output is correct
73	Correct	319 ms	14968 KB	Output is correct
74	Correct	342 ms	15352 KB	Output is correct
75	Correct	325 ms	15352 KB	Output is correct

답안 #308807

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