답안 #895858

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
895858	2023-12-31T00:20:10 Z	egregious	Lamps (JOI19_lamps)	C++14	100 / 100	130 ms	67156 KB

lamp

// https://oj.uz/problem/view/JOI19_lamps
#include <iostream>
using namespace std;
#define int long long
const int inf = 1e18;
const int N = 1e6 + 1;
int n, dp[N][8];
string s, t;
int smin(int& a, int b) { return a = min(a, b); }
signed main() {
  cin.tie(0)->sync_with_stdio(0);
  cin >> n;
  cin >> s >> t;
  for (int i = 0; i <= n; i++) for (int j = 0; j < 8; j++) dp[i][j] = inf;
  for (int i = 0; i < 8; i++) dp[0][i] = __builtin_popcount(i);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < 8; j++) {
      if ((j & 0b110 ? (j & 0b010) > 0 : s[i] - '0') ^ (j & 0b001) == t[i] - '0') { // can transition!
        for (int k = 0; k < 8; k++) smin(dp[i + 1][k], dp[i][j] + __builtin_popcount(j ^ k));
      }
    }
  }
  cout << dp[n][0] / 2 << endl;
  return 0;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:18:68: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   18 |       if ((j & 0b110 ? (j & 0b010) > 0 : s[i] - '0') ^ (j & 0b001) == t[i] - '0') { // can transition!
      |                                                        ~~~~~~~~~~~~^~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	464 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	468 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	464 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	464 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	468 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	464 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	1 ms	344 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	600 KB	Output is correct
40	Correct	1 ms	464 KB	Output is correct
41	Correct	1 ms	344 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	1 ms	348 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	1 ms	344 KB	Output is correct
49	Correct	1 ms	344 KB	Output is correct
50	Correct	1 ms	464 KB	Output is correct
51	Correct	1 ms	460 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	596 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	468 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	118 ms	67156 KB	Output is correct
8	Correct	104 ms	66984 KB	Output is correct
9	Correct	105 ms	67104 KB	Output is correct
10	Correct	104 ms	66980 KB	Output is correct
11	Correct	120 ms	66984 KB	Output is correct
12	Correct	116 ms	66980 KB	Output is correct
13	Correct	104 ms	66988 KB	Output is correct
14	Correct	105 ms	67120 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	464 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	468 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	464 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	1 ms	344 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	600 KB	Output is correct
40	Correct	1 ms	464 KB	Output is correct
41	Correct	1 ms	344 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	1 ms	348 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	1 ms	344 KB	Output is correct
49	Correct	1 ms	344 KB	Output is correct
50	Correct	1 ms	464 KB	Output is correct
51	Correct	1 ms	460 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	596 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	0 ms	468 KB	Output is correct
64	Correct	0 ms	344 KB	Output is correct
65	Correct	118 ms	67156 KB	Output is correct
66	Correct	104 ms	66984 KB	Output is correct
67	Correct	105 ms	67104 KB	Output is correct
68	Correct	104 ms	66980 KB	Output is correct
69	Correct	120 ms	66984 KB	Output is correct
70	Correct	116 ms	66980 KB	Output is correct
71	Correct	104 ms	66988 KB	Output is correct
72	Correct	105 ms	67120 KB	Output is correct
73	Correct	125 ms	66944 KB	Output is correct
74	Correct	104 ms	66988 KB	Output is correct
75	Correct	105 ms	66872 KB	Output is correct
76	Correct	104 ms	66988 KB	Output is correct
77	Correct	113 ms	67120 KB	Output is correct
78	Correct	104 ms	67116 KB	Output is correct
79	Correct	103 ms	67120 KB	Output is correct
80	Correct	105 ms	67116 KB	Output is correct
81	Correct	105 ms	67116 KB	Output is correct
82	Correct	103 ms	66984 KB	Output is correct
83	Correct	111 ms	66976 KB	Output is correct
84	Correct	109 ms	67112 KB	Output is correct
85	Correct	112 ms	67100 KB	Output is correct
86	Correct	110 ms	66984 KB	Output is correct
87	Correct	109 ms	67112 KB	Output is correct
88	Correct	111 ms	67112 KB	Output is correct
89	Correct	116 ms	67064 KB	Output is correct
90	Correct	108 ms	66980 KB	Output is correct
91	Correct	111 ms	66988 KB	Output is correct
92	Correct	112 ms	67112 KB	Output is correct
93	Correct	114 ms	66976 KB	Output is correct
94	Correct	113 ms	67116 KB	Output is correct
95	Correct	113 ms	67112 KB	Output is correct
96	Correct	130 ms	66980 KB	Output is correct
97	Correct	113 ms	67116 KB	Output is correct
98	Correct	114 ms	66988 KB	Output is correct
99	Correct	113 ms	67112 KB	Output is correct
100	Correct	114 ms	67112 KB	Output is correct
101	Correct	114 ms	67112 KB	Output is correct
102	Correct	121 ms	67120 KB	Output is correct

답안 #895858

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