Submission #895858

# Submission time Handle Problem Language Result Execution time Memory
895858 2023-12-31T00:20:10 Z egregious Lamps (JOI19_lamps) C++14
100 / 100
130 ms 67156 KB
// 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!
      |                                                        ~~~~~~~~~~~~^~~~~~~~~~~~~
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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