답안 #288124

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
288124	2020-09-01T08:54:51 Z	SomeoneUnknown	Bigger segments (IZhO19_segments)	C++14	100 / 100	149 ms	13816 KB

segments

#include <bits/stdc++.h>
using namespace std;

int main(){
    int n;
    scanf("%d", &n);
    long long pfs[n+1];
    int segs[n+1];
    long long hval[n+1];
    segs[0] = 0;
    hval[0] = 1;
    for(int i = 1; i <= n; ++i){
        scanf("%lld", &pfs[i]);
        pfs[i] += pfs[i-1];
        segs[i] = 0;
        hval[i] = (long long)n*1000000009;
    }
    for(int i = 0; i < n; ++i){
        segs[i+1] = max(segs[i], segs[i+1]);
        hval[i+1] = min(pfs[i+1]-pfs[i]+hval[i], hval[i+1]);
        int lo = 0;
        int hi = n+1;
        while(hi-lo>1){
            int mid = (hi+lo)/2;
            if(pfs[mid] >= pfs[i] + hval[i]){
                hi = mid;
            }else{
                lo = mid;
            }
        }
        if(hi <= n){
            segs[hi] = segs[i]+1;
            hval[hi] = min(pfs[hi]-pfs[i], hval[hi]);
            //printf("Updating %d to %d ", hi, hval[hi]);
        }
        //printf("%d %d\n", segs[i], hval[i]);
    }
    printf("%d", segs[n]);
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
segments.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |         scanf("%lld", &pfs[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	1 ms	372 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	1 ms	372 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	376 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	256 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	256 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	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	1 ms	372 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	376 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	256 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	256 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	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	1 ms	372 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	376 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	256 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	256 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	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	19 ms	2688 KB	Output is correct
47	Correct	29 ms	2688 KB	Output is correct
48	Correct	34 ms	3072 KB	Output is correct
49	Correct	28 ms	3200 KB	Output is correct
50	Correct	36 ms	3280 KB	Output is correct
51	Correct	30 ms	3200 KB	Output is correct
52	Correct	15 ms	1792 KB	Output is correct
53	Correct	9 ms	1152 KB	Output is correct
54	Correct	21 ms	2536 KB	Output is correct
55	Correct	27 ms	3200 KB	Output is correct
56	Correct	32 ms	2688 KB	Output is correct
57	Correct	26 ms	2664 KB	Output is correct
58	Correct	22 ms	2688 KB	Output is correct
59	Correct	24 ms	2816 KB	Output is correct
60	Correct	23 ms	2816 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	0 ms	256 KB	Output is correct
8	Correct	0 ms	256 KB	Output is correct
9	Correct	1 ms	372 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	376 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	256 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	256 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	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	19 ms	2688 KB	Output is correct
47	Correct	29 ms	2688 KB	Output is correct
48	Correct	34 ms	3072 KB	Output is correct
49	Correct	28 ms	3200 KB	Output is correct
50	Correct	36 ms	3280 KB	Output is correct
51	Correct	30 ms	3200 KB	Output is correct
52	Correct	15 ms	1792 KB	Output is correct
53	Correct	9 ms	1152 KB	Output is correct
54	Correct	21 ms	2536 KB	Output is correct
55	Correct	27 ms	3200 KB	Output is correct
56	Correct	32 ms	2688 KB	Output is correct
57	Correct	26 ms	2664 KB	Output is correct
58	Correct	22 ms	2688 KB	Output is correct
59	Correct	24 ms	2816 KB	Output is correct
60	Correct	23 ms	2816 KB	Output is correct
61	Correct	113 ms	12308 KB	Output is correct
62	Correct	103 ms	12024 KB	Output is correct
63	Correct	110 ms	12408 KB	Output is correct
64	Correct	149 ms	13816 KB	Output is correct
65	Correct	130 ms	13816 KB	Output is correct
66	Correct	148 ms	13816 KB	Output is correct
67	Correct	119 ms	11256 KB	Output is correct
68	Correct	59 ms	6136 KB	Output is correct
69	Correct	107 ms	11128 KB	Output is correct
70	Correct	137 ms	13816 KB	Output is correct
71	Correct	111 ms	12024 KB	Output is correct
72	Correct	116 ms	12408 KB	Output is correct
73	Correct	120 ms	13176 KB	Output is correct
74	Correct	121 ms	13048 KB	Output is correct
75	Correct	121 ms	13048 KB	Output is correct

답안 #288124

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