답안 #118253

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
118253	2019-06-18T12:53:27 Z	songc	Lamps (JOI19_lamps)	C++14	100 / 100	280 ms	29728 KB

lamp

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

int N;
int A[1010101];
int B[1010101];
int D[1010101][5], ans=1234567890;
int C[5][5] ={
    {0, 1, 1, 2, 2},
    {0, 0, 1, 1, 2},
    {0, 1, 0, 2, 1},
    {0, 0, 1, 0, 2},
    {0, 1, 0, 2, 0}
};

int tog(int p, int o){
    int x = A[p];
    if (o == 1 || o == 4) x = 0;
    else if (o == 2 || o == 3) x = 1;
    return (x != B[p]) ? 1 : 0;
}

int main(){
    scanf("%d", &N);
    for (int i=1; i<=N; i++) scanf("%1d", &A[i]);
    for (int i=1; i<=N; i++) scanf("%1d", &B[i]);
    memset(D, 1, sizeof D);
    D[0][0] = 0;
    for (int i=1; i<=N; i++) for (int j=0; j<5; j++) for (int k=0; k<5; k++) {
        D[i][k] = min(D[i][k], D[i-1][j] + C[j][k] + max(0, tog(i, k)-tog(i-1, j)));
    }
    for (int i=0; i<5; i++) ans = min(ans, D[N][i]);
    printf("%d\n", ans);
    return 0;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
lamp.cpp:25:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i=1; i<=N; i++) scanf("%1d", &A[i]);
                              ~~~~~^~~~~~~~~~~~~~
lamp.cpp:26:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i=1; i<=N; i++) scanf("%1d", &B[i]);
                              ~~~~~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	20096 KB	Output is correct
2	Correct	17 ms	20096 KB	Output is correct
3	Correct	16 ms	20088 KB	Output is correct
4	Correct	16 ms	20096 KB	Output is correct
5	Correct	17 ms	20096 KB	Output is correct
6	Correct	16 ms	20096 KB	Output is correct
7	Correct	18 ms	20224 KB	Output is correct
8	Correct	17 ms	20096 KB	Output is correct
9	Correct	18 ms	20096 KB	Output is correct
10	Correct	18 ms	20096 KB	Output is correct
11	Correct	17 ms	20096 KB	Output is correct
12	Correct	16 ms	20068 KB	Output is correct
13	Correct	17 ms	20096 KB	Output is correct
14	Correct	16 ms	20096 KB	Output is correct
15	Correct	16 ms	20096 KB	Output is correct
16	Correct	16 ms	20096 KB	Output is correct
17	Correct	16 ms	20096 KB	Output is correct
18	Correct	17 ms	20096 KB	Output is correct
19	Correct	16 ms	20096 KB	Output is correct
20	Correct	17 ms	20096 KB	Output is correct
21	Correct	16 ms	20096 KB	Output is correct
22	Correct	17 ms	20096 KB	Output is correct
23	Correct	16 ms	20096 KB	Output is correct
24	Correct	17 ms	20096 KB	Output is correct
25	Correct	16 ms	20104 KB	Output is correct
26	Correct	28 ms	20088 KB	Output is correct
27	Correct	18 ms	20144 KB	Output is correct
28	Correct	16 ms	20096 KB	Output is correct
29	Correct	16 ms	20096 KB	Output is correct
30	Correct	17 ms	20096 KB	Output is correct
31	Correct	18 ms	20096 KB	Output is correct
32	Correct	17 ms	20096 KB	Output is correct
33	Correct	17 ms	20096 KB	Output is correct
34	Correct	18 ms	20096 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	20096 KB	Output is correct
2	Correct	17 ms	20096 KB	Output is correct
3	Correct	16 ms	20088 KB	Output is correct
4	Correct	16 ms	20096 KB	Output is correct
5	Correct	17 ms	20096 KB	Output is correct
6	Correct	16 ms	20096 KB	Output is correct
7	Correct	18 ms	20224 KB	Output is correct
8	Correct	17 ms	20096 KB	Output is correct
9	Correct	18 ms	20096 KB	Output is correct
10	Correct	18 ms	20096 KB	Output is correct
11	Correct	17 ms	20096 KB	Output is correct
12	Correct	16 ms	20068 KB	Output is correct
13	Correct	17 ms	20096 KB	Output is correct
14	Correct	16 ms	20096 KB	Output is correct
15	Correct	16 ms	20096 KB	Output is correct
16	Correct	16 ms	20096 KB	Output is correct
17	Correct	16 ms	20096 KB	Output is correct
18	Correct	17 ms	20096 KB	Output is correct
19	Correct	16 ms	20096 KB	Output is correct
20	Correct	17 ms	20096 KB	Output is correct
21	Correct	16 ms	20096 KB	Output is correct
22	Correct	17 ms	20096 KB	Output is correct
23	Correct	16 ms	20096 KB	Output is correct
24	Correct	17 ms	20096 KB	Output is correct
25	Correct	16 ms	20104 KB	Output is correct
26	Correct	28 ms	20088 KB	Output is correct
27	Correct	18 ms	20144 KB	Output is correct
28	Correct	16 ms	20096 KB	Output is correct
29	Correct	16 ms	20096 KB	Output is correct
30	Correct	17 ms	20096 KB	Output is correct
31	Correct	18 ms	20096 KB	Output is correct
32	Correct	17 ms	20096 KB	Output is correct
33	Correct	17 ms	20096 KB	Output is correct
34	Correct	18 ms	20096 KB	Output is correct
35	Correct	18 ms	20096 KB	Output is correct
36	Correct	18 ms	20224 KB	Output is correct
37	Correct	18 ms	20068 KB	Output is correct
38	Correct	18 ms	20096 KB	Output is correct
39	Correct	18 ms	20096 KB	Output is correct
40	Correct	18 ms	20088 KB	Output is correct
41	Correct	18 ms	20096 KB	Output is correct
42	Correct	19 ms	20096 KB	Output is correct
43	Correct	16 ms	20096 KB	Output is correct
44	Correct	17 ms	20096 KB	Output is correct
45	Correct	18 ms	20060 KB	Output is correct
46	Correct	17 ms	20096 KB	Output is correct
47	Correct	17 ms	20224 KB	Output is correct
48	Correct	18 ms	20224 KB	Output is correct
49	Correct	17 ms	20068 KB	Output is correct
50	Correct	17 ms	20096 KB	Output is correct
51	Correct	17 ms	20096 KB	Output is correct
52	Correct	17 ms	20096 KB	Output is correct
53	Correct	17 ms	20092 KB	Output is correct
54	Correct	17 ms	20096 KB	Output is correct
55	Correct	18 ms	20096 KB	Output is correct
56	Correct	17 ms	20096 KB	Output is correct
57	Correct	17 ms	20216 KB	Output is correct
58	Correct	17 ms	20124 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	20140 KB	Output is correct
2	Correct	18 ms	20068 KB	Output is correct
3	Correct	18 ms	20096 KB	Output is correct
4	Correct	18 ms	20096 KB	Output is correct
5	Correct	17 ms	20096 KB	Output is correct
6	Correct	17 ms	20096 KB	Output is correct
7	Correct	280 ms	29668 KB	Output is correct
8	Correct	245 ms	29560 KB	Output is correct
9	Correct	244 ms	29688 KB	Output is correct
10	Correct	237 ms	29672 KB	Output is correct
11	Correct	238 ms	29560 KB	Output is correct
12	Correct	247 ms	29712 KB	Output is correct
13	Correct	248 ms	29496 KB	Output is correct
14	Correct	245 ms	29628 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	20096 KB	Output is correct
2	Correct	17 ms	20096 KB	Output is correct
3	Correct	16 ms	20088 KB	Output is correct
4	Correct	16 ms	20096 KB	Output is correct
5	Correct	17 ms	20096 KB	Output is correct
6	Correct	16 ms	20096 KB	Output is correct
7	Correct	18 ms	20224 KB	Output is correct
8	Correct	17 ms	20096 KB	Output is correct
9	Correct	18 ms	20096 KB	Output is correct
10	Correct	18 ms	20096 KB	Output is correct
11	Correct	17 ms	20096 KB	Output is correct
12	Correct	16 ms	20068 KB	Output is correct
13	Correct	17 ms	20096 KB	Output is correct
14	Correct	16 ms	20096 KB	Output is correct
15	Correct	16 ms	20096 KB	Output is correct
16	Correct	16 ms	20096 KB	Output is correct
17	Correct	16 ms	20096 KB	Output is correct
18	Correct	17 ms	20096 KB	Output is correct
19	Correct	16 ms	20096 KB	Output is correct
20	Correct	17 ms	20096 KB	Output is correct
21	Correct	16 ms	20096 KB	Output is correct
22	Correct	17 ms	20096 KB	Output is correct
23	Correct	16 ms	20096 KB	Output is correct
24	Correct	17 ms	20096 KB	Output is correct
25	Correct	16 ms	20104 KB	Output is correct
26	Correct	28 ms	20088 KB	Output is correct
27	Correct	18 ms	20144 KB	Output is correct
28	Correct	16 ms	20096 KB	Output is correct
29	Correct	16 ms	20096 KB	Output is correct
30	Correct	17 ms	20096 KB	Output is correct
31	Correct	18 ms	20096 KB	Output is correct
32	Correct	17 ms	20096 KB	Output is correct
33	Correct	17 ms	20096 KB	Output is correct
34	Correct	18 ms	20096 KB	Output is correct
35	Correct	18 ms	20096 KB	Output is correct
36	Correct	18 ms	20224 KB	Output is correct
37	Correct	18 ms	20068 KB	Output is correct
38	Correct	18 ms	20096 KB	Output is correct
39	Correct	18 ms	20096 KB	Output is correct
40	Correct	18 ms	20088 KB	Output is correct
41	Correct	18 ms	20096 KB	Output is correct
42	Correct	19 ms	20096 KB	Output is correct
43	Correct	16 ms	20096 KB	Output is correct
44	Correct	17 ms	20096 KB	Output is correct
45	Correct	18 ms	20060 KB	Output is correct
46	Correct	17 ms	20096 KB	Output is correct
47	Correct	17 ms	20224 KB	Output is correct
48	Correct	18 ms	20224 KB	Output is correct
49	Correct	17 ms	20068 KB	Output is correct
50	Correct	17 ms	20096 KB	Output is correct
51	Correct	17 ms	20096 KB	Output is correct
52	Correct	17 ms	20096 KB	Output is correct
53	Correct	17 ms	20092 KB	Output is correct
54	Correct	17 ms	20096 KB	Output is correct
55	Correct	18 ms	20096 KB	Output is correct
56	Correct	17 ms	20096 KB	Output is correct
57	Correct	17 ms	20216 KB	Output is correct
58	Correct	17 ms	20124 KB	Output is correct
59	Correct	19 ms	20140 KB	Output is correct
60	Correct	18 ms	20068 KB	Output is correct
61	Correct	18 ms	20096 KB	Output is correct
62	Correct	18 ms	20096 KB	Output is correct
63	Correct	17 ms	20096 KB	Output is correct
64	Correct	17 ms	20096 KB	Output is correct
65	Correct	280 ms	29668 KB	Output is correct
66	Correct	245 ms	29560 KB	Output is correct
67	Correct	244 ms	29688 KB	Output is correct
68	Correct	237 ms	29672 KB	Output is correct
69	Correct	238 ms	29560 KB	Output is correct
70	Correct	247 ms	29712 KB	Output is correct
71	Correct	248 ms	29496 KB	Output is correct
72	Correct	245 ms	29628 KB	Output is correct
73	Correct	245 ms	29688 KB	Output is correct
74	Correct	243 ms	29524 KB	Output is correct
75	Correct	243 ms	29532 KB	Output is correct
76	Correct	244 ms	29460 KB	Output is correct
77	Correct	243 ms	29560 KB	Output is correct
78	Correct	246 ms	29692 KB	Output is correct
79	Correct	246 ms	29648 KB	Output is correct
80	Correct	242 ms	29560 KB	Output is correct
81	Correct	258 ms	29688 KB	Output is correct
82	Correct	243 ms	29532 KB	Output is correct
83	Correct	248 ms	29560 KB	Output is correct
84	Correct	252 ms	29728 KB	Output is correct
85	Correct	259 ms	29620 KB	Output is correct
86	Correct	259 ms	29492 KB	Output is correct
87	Correct	246 ms	29552 KB	Output is correct
88	Correct	244 ms	29560 KB	Output is correct
89	Correct	251 ms	29640 KB	Output is correct
90	Correct	260 ms	29624 KB	Output is correct
91	Correct	249 ms	29560 KB	Output is correct
92	Correct	249 ms	29584 KB	Output is correct
93	Correct	246 ms	29688 KB	Output is correct
94	Correct	250 ms	29636 KB	Output is correct
95	Correct	244 ms	29684 KB	Output is correct
96	Correct	244 ms	29564 KB	Output is correct
97	Correct	243 ms	29560 KB	Output is correct
98	Correct	244 ms	29652 KB	Output is correct
99	Correct	244 ms	29560 KB	Output is correct
100	Correct	245 ms	29560 KB	Output is correct
101	Correct	245 ms	29676 KB	Output is correct
102	Correct	245 ms	29560 KB	Output is correct

답안 #118253

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 4.0 / 4.0

Subtask #4 49.0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
4.0 / 4.0

Subtask #4
49.0 / 49.0