답안 #202459

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
202459	2020-02-16T07:59:03 Z	Kastanda	Collecting Stamps 3 (JOI20_ho_t3)	C++11	100 / 100	168 ms	143356 KB

ho_t3

// In The Name Of The Queen
#include<bits/stdc++.h>
using namespace std;
const int N = 209;
int n, L, X[N], T[N];
long long dp[N][N][N][2];
inline void SMin(long long &a, long long b)
{
    a = min(a, b);
}
int main()
{
    scanf("%d%d", &n, &L);
    for (int i = 1; i <= n; i ++)
        scanf("%d", &X[i]);
    for (int i = 1; i <= n; i ++)
        scanf("%d", &T[i]);
    memset(dp, 63, sizeof(dp));
    dp[1][n + 1][X[1] <= T[1]][0] = X[1];
    dp[0][n][L - X[n] <= T[n]][1] = L - X[n];
    for (int len = n; len; len --)
        for (int l = 0, r = len; r <= n + 1; l ++, r ++)
            for (int c = 0; c <= l + n + 1 - r; c ++)
            {
                /// w = 0 : We're at l.
                // Increase l :
                SMin(dp[l + 1][r][c + (dp[l][r][c][0] + X[l + 1] - X[l] <= T[l + 1])][0], dp[l][r][c][0] + X[l + 1] - X[l]);
                // Decrease r :
                SMin(dp[l][r - 1][c + (dp[l][r][c][0] + L - X[r - 1] + X[l] <= T[r - 1])][1], dp[l][r][c][0] + L - X[r - 1] + X[l]);
                /// w = 1 : We're at r.
                // Increase l :
                SMin(dp[l + 1][r][c + (dp[l][r][c][1] + L - X[r] + X[l + 1] <= T[l + 1])][0], dp[l][r][c][1] + L - X[r] + X[l + 1]);
                // Decrease r :
                SMin(dp[l][r - 1][c + (dp[l][r][c][1] + X[r] - X[r - 1] <= T[r - 1])][1], dp[l][r][c][1] + X[r] - X[r - 1]);
            }
    int Mx = 0;
    for (int l = 0; l <= n; l ++)
        for (int c = 0; c <= n; c ++)
            for (int w = 0; w <= 1; w ++)
                if (dp[l][l + 1][c][w] <= 1LL * n * L)
                    Mx = max(Mx, c);
    return !printf("%d\n", Mx);
}

Compilation message

ho_t3.cpp: In function 'int main()':
ho_t3.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &L);
     ~~~~~^~~~~~~~~~~~~~~~
ho_t3.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &X[i]);
         ~~~~~^~~~~~~~~~~~~
ho_t3.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &T[i]);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	143224 KB	Output is correct
2	Correct	86 ms	143224 KB	Output is correct
3	Correct	85 ms	143224 KB	Output is correct
4	Correct	90 ms	143224 KB	Output is correct
5	Correct	94 ms	143224 KB	Output is correct
6	Correct	96 ms	143224 KB	Output is correct
7	Correct	88 ms	143272 KB	Output is correct
8	Correct	89 ms	143300 KB	Output is correct
9	Correct	86 ms	143164 KB	Output is correct
10	Correct	89 ms	143224 KB	Output is correct
11	Correct	97 ms	143228 KB	Output is correct
12	Correct	92 ms	143224 KB	Output is correct
13	Correct	87 ms	143224 KB	Output is correct
14	Correct	88 ms	143224 KB	Output is correct
15	Correct	87 ms	143224 KB	Output is correct
16	Correct	91 ms	143224 KB	Output is correct
17	Correct	86 ms	143224 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	143224 KB	Output is correct
2	Correct	86 ms	143224 KB	Output is correct
3	Correct	85 ms	143224 KB	Output is correct
4	Correct	90 ms	143224 KB	Output is correct
5	Correct	94 ms	143224 KB	Output is correct
6	Correct	96 ms	143224 KB	Output is correct
7	Correct	88 ms	143272 KB	Output is correct
8	Correct	89 ms	143300 KB	Output is correct
9	Correct	86 ms	143164 KB	Output is correct
10	Correct	89 ms	143224 KB	Output is correct
11	Correct	97 ms	143228 KB	Output is correct
12	Correct	92 ms	143224 KB	Output is correct
13	Correct	87 ms	143224 KB	Output is correct
14	Correct	88 ms	143224 KB	Output is correct
15	Correct	87 ms	143224 KB	Output is correct
16	Correct	91 ms	143224 KB	Output is correct
17	Correct	86 ms	143224 KB	Output is correct
18	Correct	87 ms	143224 KB	Output is correct
19	Correct	87 ms	143224 KB	Output is correct
20	Correct	86 ms	143224 KB	Output is correct
21	Correct	93 ms	143224 KB	Output is correct
22	Correct	84 ms	143224 KB	Output is correct
23	Correct	87 ms	143224 KB	Output is correct
24	Correct	85 ms	143224 KB	Output is correct
25	Correct	84 ms	143224 KB	Output is correct
26	Correct	88 ms	143224 KB	Output is correct
27	Correct	86 ms	143224 KB	Output is correct
28	Correct	83 ms	143248 KB	Output is correct
29	Correct	92 ms	143224 KB	Output is correct
30	Correct	87 ms	143180 KB	Output is correct
31	Correct	89 ms	143224 KB	Output is correct
32	Correct	89 ms	143224 KB	Output is correct
33	Correct	88 ms	143224 KB	Output is correct
34	Correct	85 ms	143224 KB	Output is correct
35	Correct	93 ms	143224 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	143224 KB	Output is correct
2	Correct	86 ms	143224 KB	Output is correct
3	Correct	85 ms	143224 KB	Output is correct
4	Correct	90 ms	143224 KB	Output is correct
5	Correct	94 ms	143224 KB	Output is correct
6	Correct	96 ms	143224 KB	Output is correct
7	Correct	88 ms	143272 KB	Output is correct
8	Correct	89 ms	143300 KB	Output is correct
9	Correct	86 ms	143164 KB	Output is correct
10	Correct	89 ms	143224 KB	Output is correct
11	Correct	97 ms	143228 KB	Output is correct
12	Correct	92 ms	143224 KB	Output is correct
13	Correct	87 ms	143224 KB	Output is correct
14	Correct	88 ms	143224 KB	Output is correct
15	Correct	87 ms	143224 KB	Output is correct
16	Correct	91 ms	143224 KB	Output is correct
17	Correct	86 ms	143224 KB	Output is correct
18	Correct	134 ms	143352 KB	Output is correct
19	Correct	111 ms	143224 KB	Output is correct
20	Correct	93 ms	143268 KB	Output is correct
21	Correct	112 ms	143224 KB	Output is correct
22	Correct	122 ms	143228 KB	Output is correct
23	Correct	94 ms	143224 KB	Output is correct
24	Correct	92 ms	143224 KB	Output is correct
25	Correct	100 ms	143224 KB	Output is correct
26	Correct	89 ms	143224 KB	Output is correct
27	Correct	92 ms	143224 KB	Output is correct
28	Correct	93 ms	143224 KB	Output is correct
29	Correct	93 ms	143224 KB	Output is correct
30	Correct	96 ms	143224 KB	Output is correct
31	Correct	97 ms	143312 KB	Output is correct
32	Correct	89 ms	143224 KB	Output is correct
33	Correct	96 ms	143224 KB	Output is correct
34	Correct	88 ms	143224 KB	Output is correct
35	Correct	94 ms	143352 KB	Output is correct
36	Correct	99 ms	143212 KB	Output is correct
37	Correct	96 ms	143224 KB	Output is correct
38	Correct	89 ms	143224 KB	Output is correct
39	Correct	95 ms	143224 KB	Output is correct
40	Correct	90 ms	143224 KB	Output is correct
41	Correct	151 ms	143352 KB	Output is correct
42	Correct	128 ms	143256 KB	Output is correct
43	Correct	154 ms	143224 KB	Output is correct
44	Correct	122 ms	143328 KB	Output is correct
45	Correct	157 ms	143224 KB	Output is correct
46	Correct	137 ms	143228 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	143224 KB	Output is correct
2	Correct	86 ms	143224 KB	Output is correct
3	Correct	85 ms	143224 KB	Output is correct
4	Correct	90 ms	143224 KB	Output is correct
5	Correct	94 ms	143224 KB	Output is correct
6	Correct	96 ms	143224 KB	Output is correct
7	Correct	88 ms	143272 KB	Output is correct
8	Correct	89 ms	143300 KB	Output is correct
9	Correct	86 ms	143164 KB	Output is correct
10	Correct	89 ms	143224 KB	Output is correct
11	Correct	97 ms	143228 KB	Output is correct
12	Correct	92 ms	143224 KB	Output is correct
13	Correct	87 ms	143224 KB	Output is correct
14	Correct	88 ms	143224 KB	Output is correct
15	Correct	87 ms	143224 KB	Output is correct
16	Correct	91 ms	143224 KB	Output is correct
17	Correct	86 ms	143224 KB	Output is correct
18	Correct	87 ms	143224 KB	Output is correct
19	Correct	87 ms	143224 KB	Output is correct
20	Correct	86 ms	143224 KB	Output is correct
21	Correct	93 ms	143224 KB	Output is correct
22	Correct	84 ms	143224 KB	Output is correct
23	Correct	87 ms	143224 KB	Output is correct
24	Correct	85 ms	143224 KB	Output is correct
25	Correct	84 ms	143224 KB	Output is correct
26	Correct	88 ms	143224 KB	Output is correct
27	Correct	86 ms	143224 KB	Output is correct
28	Correct	83 ms	143248 KB	Output is correct
29	Correct	92 ms	143224 KB	Output is correct
30	Correct	87 ms	143180 KB	Output is correct
31	Correct	89 ms	143224 KB	Output is correct
32	Correct	89 ms	143224 KB	Output is correct
33	Correct	88 ms	143224 KB	Output is correct
34	Correct	85 ms	143224 KB	Output is correct
35	Correct	93 ms	143224 KB	Output is correct
36	Correct	134 ms	143352 KB	Output is correct
37	Correct	111 ms	143224 KB	Output is correct
38	Correct	93 ms	143268 KB	Output is correct
39	Correct	112 ms	143224 KB	Output is correct
40	Correct	122 ms	143228 KB	Output is correct
41	Correct	94 ms	143224 KB	Output is correct
42	Correct	92 ms	143224 KB	Output is correct
43	Correct	100 ms	143224 KB	Output is correct
44	Correct	89 ms	143224 KB	Output is correct
45	Correct	92 ms	143224 KB	Output is correct
46	Correct	93 ms	143224 KB	Output is correct
47	Correct	93 ms	143224 KB	Output is correct
48	Correct	96 ms	143224 KB	Output is correct
49	Correct	97 ms	143312 KB	Output is correct
50	Correct	89 ms	143224 KB	Output is correct
51	Correct	96 ms	143224 KB	Output is correct
52	Correct	88 ms	143224 KB	Output is correct
53	Correct	94 ms	143352 KB	Output is correct
54	Correct	99 ms	143212 KB	Output is correct
55	Correct	96 ms	143224 KB	Output is correct
56	Correct	89 ms	143224 KB	Output is correct
57	Correct	95 ms	143224 KB	Output is correct
58	Correct	90 ms	143224 KB	Output is correct
59	Correct	151 ms	143352 KB	Output is correct
60	Correct	128 ms	143256 KB	Output is correct
61	Correct	154 ms	143224 KB	Output is correct
62	Correct	122 ms	143328 KB	Output is correct
63	Correct	157 ms	143224 KB	Output is correct
64	Correct	137 ms	143228 KB	Output is correct
65	Correct	149 ms	143224 KB	Output is correct
66	Correct	139 ms	143224 KB	Output is correct
67	Correct	141 ms	143352 KB	Output is correct
68	Correct	129 ms	143224 KB	Output is correct
69	Correct	152 ms	143212 KB	Output is correct
70	Correct	145 ms	143224 KB	Output is correct
71	Correct	144 ms	143224 KB	Output is correct
72	Correct	152 ms	143224 KB	Output is correct
73	Correct	146 ms	143352 KB	Output is correct
74	Correct	135 ms	143224 KB	Output is correct
75	Correct	145 ms	143224 KB	Output is correct
76	Correct	153 ms	143356 KB	Output is correct
77	Correct	161 ms	143348 KB	Output is correct
78	Correct	124 ms	143224 KB	Output is correct
79	Correct	136 ms	143224 KB	Output is correct
80	Correct	153 ms	143224 KB	Output is correct
81	Correct	136 ms	143224 KB	Output is correct
82	Correct	137 ms	143224 KB	Output is correct
83	Correct	157 ms	143228 KB	Output is correct
84	Correct	146 ms	143224 KB	Output is correct
85	Correct	152 ms	143168 KB	Output is correct
86	Correct	148 ms	143224 KB	Output is correct
87	Correct	140 ms	143228 KB	Output is correct
88	Correct	168 ms	143224 KB	Output is correct
89	Correct	160 ms	143304 KB	Output is correct
90	Correct	143 ms	143224 KB	Output is correct
91	Correct	161 ms	143352 KB	Output is correct
92	Correct	160 ms	143352 KB	Output is correct
93	Correct	157 ms	143224 KB	Output is correct

답안 #202459

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 75.0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
75.0 / 75.0