| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 895858 | 2023-12-31T00:20:10 Z | egregious | Lamps (JOI19_lamps) | C++14 | 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
| # | 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 |