| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 604113 |
2022-07-24T18:23:43 Z |
jhnah917 |
Lamps (JOI19_lamps) |
C++14 |
|
68 ms |
33728 KB |
#include <bits/stdc++.h>
using namespace std;
int N, A[1010101], B[1010101], C[1010101][3], D[1010101][3];
int SetCost(int idx, int prv, int now){ return now != 2 && prv != now; }
int FlipCost(int idx, int prv, int now){ return C[idx-1][prv] == 0 && C[idx][now] == 1; }
int main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr);
cin >> N;
for(int i=1; i<=N; i++){ char c; cin >> c; A[i] = c - '0'; }
for(int i=1; i<=N; i++){ char c; cin >> c; B[i] = c - '0'; }
for(int i=1; i<=N; i++) C[i][0] = B[i] != 0, C[i][1] = B[i] != 1, C[i][2] = A[i] != B[i];
memset(D, 0x3f, sizeof D);
D[1][0] = 1 + C[1][0]; D[1][1] = 1 + C[1][1]; D[1][2] = C[1][2];
for(int i=2; i<=N; i++){
for(int now=0; now<3; now++) for(int prv=0; prv<3; prv++) D[i][now] = min(D[i][now], D[i-1][prv] + SetCost(i, prv, now) + FlipCost(i, prv, now));
}
cout << *min_element(D[N], D[N]+3);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
12108 KB |
Output is correct |
| 2 |
Correct |
5 ms |
12104 KB |
Output is correct |
| 3 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 4 |
Correct |
6 ms |
12108 KB |
Output is correct |
| 5 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 6 |
Correct |
5 ms |
12204 KB |
Output is correct |
| 7 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 8 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 9 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 10 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 11 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 12 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 13 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 14 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 15 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 16 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 17 |
Correct |
5 ms |
12100 KB |
Output is correct |
| 18 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 19 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 20 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 21 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 22 |
Correct |
6 ms |
12208 KB |
Output is correct |
| 23 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 24 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 25 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 26 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 27 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 28 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 29 |
Correct |
5 ms |
12128 KB |
Output is correct |
| 30 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 31 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 32 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 33 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 34 |
Correct |
5 ms |
12116 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
12108 KB |
Output is correct |
| 2 |
Correct |
5 ms |
12104 KB |
Output is correct |
| 3 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 4 |
Correct |
6 ms |
12108 KB |
Output is correct |
| 5 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 6 |
Correct |
5 ms |
12204 KB |
Output is correct |
| 7 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 8 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 9 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 10 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 11 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 12 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 13 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 14 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 15 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 16 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 17 |
Correct |
5 ms |
12100 KB |
Output is correct |
| 18 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 19 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 20 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 21 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 22 |
Correct |
6 ms |
12208 KB |
Output is correct |
| 23 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 24 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 25 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 26 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 27 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 28 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 29 |
Correct |
5 ms |
12128 KB |
Output is correct |
| 30 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 31 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 32 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 33 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 34 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 35 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 36 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 37 |
Correct |
5 ms |
12236 KB |
Output is correct |
| 38 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 39 |
Correct |
5 ms |
12180 KB |
Output is correct |
| 40 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 41 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 42 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 43 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 44 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 45 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 46 |
Correct |
5 ms |
12240 KB |
Output is correct |
| 47 |
Correct |
6 ms |
12256 KB |
Output is correct |
| 48 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 49 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 50 |
Correct |
5 ms |
12132 KB |
Output is correct |
| 51 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 52 |
Correct |
5 ms |
12236 KB |
Output is correct |
| 53 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 54 |
Correct |
5 ms |
12236 KB |
Output is correct |
| 55 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 56 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 57 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 58 |
Correct |
7 ms |
12240 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
12104 KB |
Output is correct |
| 2 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 3 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 4 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 5 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 6 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 7 |
Correct |
53 ms |
33680 KB |
Output is correct |
| 8 |
Correct |
54 ms |
33696 KB |
Output is correct |
| 9 |
Correct |
55 ms |
33612 KB |
Output is correct |
| 10 |
Correct |
54 ms |
33620 KB |
Output is correct |
| 11 |
Correct |
62 ms |
33696 KB |
Output is correct |
| 12 |
Correct |
54 ms |
33608 KB |
Output is correct |
| 13 |
Correct |
54 ms |
33684 KB |
Output is correct |
| 14 |
Correct |
51 ms |
33692 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
12108 KB |
Output is correct |
| 2 |
Correct |
5 ms |
12104 KB |
Output is correct |
| 3 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 4 |
Correct |
6 ms |
12108 KB |
Output is correct |
| 5 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 6 |
Correct |
5 ms |
12204 KB |
Output is correct |
| 7 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 8 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 9 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 10 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 11 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 12 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 13 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 14 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 15 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 16 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 17 |
Correct |
5 ms |
12100 KB |
Output is correct |
| 18 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 19 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 20 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 21 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 22 |
Correct |
6 ms |
12208 KB |
Output is correct |
| 23 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 24 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 25 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 26 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 27 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 28 |
Correct |
5 ms |
12108 KB |
Output is correct |
| 29 |
Correct |
5 ms |
12128 KB |
Output is correct |
| 30 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 31 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 32 |
Correct |
6 ms |
12116 KB |
Output is correct |
| 33 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 34 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 35 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 36 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 37 |
Correct |
5 ms |
12236 KB |
Output is correct |
| 38 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 39 |
Correct |
5 ms |
12180 KB |
Output is correct |
| 40 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 41 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 42 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 43 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 44 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 45 |
Correct |
6 ms |
12244 KB |
Output is correct |
| 46 |
Correct |
5 ms |
12240 KB |
Output is correct |
| 47 |
Correct |
6 ms |
12256 KB |
Output is correct |
| 48 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 49 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 50 |
Correct |
5 ms |
12132 KB |
Output is correct |
| 51 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 52 |
Correct |
5 ms |
12236 KB |
Output is correct |
| 53 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 54 |
Correct |
5 ms |
12236 KB |
Output is correct |
| 55 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 56 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 57 |
Correct |
5 ms |
12244 KB |
Output is correct |
| 58 |
Correct |
7 ms |
12240 KB |
Output is correct |
| 59 |
Correct |
5 ms |
12104 KB |
Output is correct |
| 60 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 61 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 62 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 63 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 64 |
Correct |
5 ms |
12116 KB |
Output is correct |
| 65 |
Correct |
53 ms |
33680 KB |
Output is correct |
| 66 |
Correct |
54 ms |
33696 KB |
Output is correct |
| 67 |
Correct |
55 ms |
33612 KB |
Output is correct |
| 68 |
Correct |
54 ms |
33620 KB |
Output is correct |
| 69 |
Correct |
62 ms |
33696 KB |
Output is correct |
| 70 |
Correct |
54 ms |
33608 KB |
Output is correct |
| 71 |
Correct |
54 ms |
33684 KB |
Output is correct |
| 72 |
Correct |
51 ms |
33692 KB |
Output is correct |
| 73 |
Correct |
56 ms |
33640 KB |
Output is correct |
| 74 |
Correct |
53 ms |
33704 KB |
Output is correct |
| 75 |
Correct |
51 ms |
33644 KB |
Output is correct |
| 76 |
Correct |
54 ms |
33720 KB |
Output is correct |
| 77 |
Correct |
52 ms |
33648 KB |
Output is correct |
| 78 |
Correct |
54 ms |
33616 KB |
Output is correct |
| 79 |
Correct |
51 ms |
33700 KB |
Output is correct |
| 80 |
Correct |
52 ms |
33620 KB |
Output is correct |
| 81 |
Correct |
53 ms |
33632 KB |
Output is correct |
| 82 |
Correct |
54 ms |
33616 KB |
Output is correct |
| 83 |
Correct |
60 ms |
33612 KB |
Output is correct |
| 84 |
Correct |
59 ms |
33704 KB |
Output is correct |
| 85 |
Correct |
55 ms |
33632 KB |
Output is correct |
| 86 |
Correct |
56 ms |
33716 KB |
Output is correct |
| 87 |
Correct |
55 ms |
33592 KB |
Output is correct |
| 88 |
Correct |
56 ms |
33636 KB |
Output is correct |
| 89 |
Correct |
59 ms |
33696 KB |
Output is correct |
| 90 |
Correct |
58 ms |
33616 KB |
Output is correct |
| 91 |
Correct |
58 ms |
33648 KB |
Output is correct |
| 92 |
Correct |
58 ms |
33636 KB |
Output is correct |
| 93 |
Correct |
59 ms |
33716 KB |
Output is correct |
| 94 |
Correct |
62 ms |
33656 KB |
Output is correct |
| 95 |
Correct |
59 ms |
33704 KB |
Output is correct |
| 96 |
Correct |
59 ms |
33648 KB |
Output is correct |
| 97 |
Correct |
59 ms |
33680 KB |
Output is correct |
| 98 |
Correct |
61 ms |
33712 KB |
Output is correct |
| 99 |
Correct |
62 ms |
33604 KB |
Output is correct |
| 100 |
Correct |
68 ms |
33728 KB |
Output is correct |
| 101 |
Correct |
60 ms |
33632 KB |
Output is correct |
| 102 |
Correct |
60 ms |
33664 KB |
Output is correct |
