| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 755155 |
2023-06-09T12:52:39 Z |
Dan4Life |
Lamps (JOI19_lamps) |
C++17 |
|
32 ms |
23976 KB |
#include <bits/stdc++.h>
using namespace std;
const int mxN = (int)1e6+10;
string s, ss;
int n, a[mxN], b[mxN], dp[mxN][3];
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> s >> ss; int ans = mxN;
for(int i = 0; i < n; i++)
a[i+1] = s[i]=='1', b[i+1] = ss[i]=='1';
memset(dp,63,sizeof(dp)); dp[0][2] = 0;
for(int i = 1; i <= n; i++){
for(int j = 0; j < 3; j++){
bool eq = ((j==2 and a[i]==b[i]) or j==b[i]);
dp[i][j] = min(dp[i][j], dp[i-1][0]+!b[i-1]*!eq+(j==1));
dp[i][j] = min(dp[i][j], dp[i-1][1]+b[i-1]*!eq+(j==0));
dp[i][j] = min(dp[i][j], dp[i-1][2]+!eq*(a[i-1]==b[i-1])+(j!=2));
if(i==n) ans = min(ans, dp[i][j]);
}
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
5 ms |
11996 KB |
Output is correct |
| 3 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 5 |
Correct |
6 ms |
11976 KB |
Output is correct |
| 6 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 7 |
Correct |
8 ms |
11996 KB |
Output is correct |
| 8 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 9 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 10 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 11 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 12 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 13 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 14 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 15 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 16 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 17 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 18 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 19 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 20 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 21 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 22 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 23 |
Correct |
6 ms |
12072 KB |
Output is correct |
| 24 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 25 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 26 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 27 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 28 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 29 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 30 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 31 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 32 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 33 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 34 |
Correct |
5 ms |
11988 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
5 ms |
11996 KB |
Output is correct |
| 3 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 5 |
Correct |
6 ms |
11976 KB |
Output is correct |
| 6 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 7 |
Correct |
8 ms |
11996 KB |
Output is correct |
| 8 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 9 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 10 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 11 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 12 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 13 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 14 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 15 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 16 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 17 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 18 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 19 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 20 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 21 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 22 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 23 |
Correct |
6 ms |
12072 KB |
Output is correct |
| 24 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 25 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 26 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 27 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 28 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 29 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 30 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 31 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 32 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 33 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 34 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 35 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 36 |
Correct |
6 ms |
12016 KB |
Output is correct |
| 37 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 38 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 39 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 40 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 41 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 42 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 43 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 44 |
Correct |
6 ms |
12004 KB |
Output is correct |
| 45 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 46 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 47 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 48 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 49 |
Correct |
6 ms |
12064 KB |
Output is correct |
| 50 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 51 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 52 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 53 |
Correct |
6 ms |
11996 KB |
Output is correct |
| 54 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 55 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 56 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 57 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 58 |
Correct |
5 ms |
11988 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 3 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 5 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 6 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 7 |
Correct |
27 ms |
21908 KB |
Output is correct |
| 8 |
Correct |
29 ms |
23976 KB |
Output is correct |
| 9 |
Correct |
27 ms |
23872 KB |
Output is correct |
| 10 |
Correct |
27 ms |
23820 KB |
Output is correct |
| 11 |
Correct |
28 ms |
23936 KB |
Output is correct |
| 12 |
Correct |
26 ms |
23856 KB |
Output is correct |
| 13 |
Correct |
27 ms |
23940 KB |
Output is correct |
| 14 |
Correct |
27 ms |
23908 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 2 |
Correct |
5 ms |
11996 KB |
Output is correct |
| 3 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 5 |
Correct |
6 ms |
11976 KB |
Output is correct |
| 6 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 7 |
Correct |
8 ms |
11996 KB |
Output is correct |
| 8 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 9 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 10 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 11 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 12 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 13 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 14 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 15 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 16 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 17 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 18 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 19 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 20 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 21 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 22 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 23 |
Correct |
6 ms |
12072 KB |
Output is correct |
| 24 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 25 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 26 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 27 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 28 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 29 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 30 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 31 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 32 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 33 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 34 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 35 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 36 |
Correct |
6 ms |
12016 KB |
Output is correct |
| 37 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 38 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 39 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 40 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 41 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 42 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 43 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 44 |
Correct |
6 ms |
12004 KB |
Output is correct |
| 45 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 46 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 47 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 48 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 49 |
Correct |
6 ms |
12064 KB |
Output is correct |
| 50 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 51 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 52 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 53 |
Correct |
6 ms |
11996 KB |
Output is correct |
| 54 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 55 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 56 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 57 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 58 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 59 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 60 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 61 |
Correct |
6 ms |
11988 KB |
Output is correct |
| 62 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 63 |
Correct |
5 ms |
11988 KB |
Output is correct |
| 64 |
Correct |
7 ms |
11988 KB |
Output is correct |
| 65 |
Correct |
27 ms |
21908 KB |
Output is correct |
| 66 |
Correct |
29 ms |
23976 KB |
Output is correct |
| 67 |
Correct |
27 ms |
23872 KB |
Output is correct |
| 68 |
Correct |
27 ms |
23820 KB |
Output is correct |
| 69 |
Correct |
28 ms |
23936 KB |
Output is correct |
| 70 |
Correct |
26 ms |
23856 KB |
Output is correct |
| 71 |
Correct |
27 ms |
23940 KB |
Output is correct |
| 72 |
Correct |
27 ms |
23908 KB |
Output is correct |
| 73 |
Correct |
27 ms |
23836 KB |
Output is correct |
| 74 |
Correct |
27 ms |
23908 KB |
Output is correct |
| 75 |
Correct |
27 ms |
23928 KB |
Output is correct |
| 76 |
Correct |
27 ms |
23832 KB |
Output is correct |
| 77 |
Correct |
26 ms |
23936 KB |
Output is correct |
| 78 |
Correct |
28 ms |
23908 KB |
Output is correct |
| 79 |
Correct |
27 ms |
23936 KB |
Output is correct |
| 80 |
Correct |
26 ms |
23912 KB |
Output is correct |
| 81 |
Correct |
27 ms |
23972 KB |
Output is correct |
| 82 |
Correct |
26 ms |
23888 KB |
Output is correct |
| 83 |
Correct |
30 ms |
23940 KB |
Output is correct |
| 84 |
Correct |
31 ms |
23976 KB |
Output is correct |
| 85 |
Correct |
29 ms |
23964 KB |
Output is correct |
| 86 |
Correct |
30 ms |
23936 KB |
Output is correct |
| 87 |
Correct |
32 ms |
23836 KB |
Output is correct |
| 88 |
Correct |
29 ms |
23852 KB |
Output is correct |
| 89 |
Correct |
29 ms |
23852 KB |
Output is correct |
| 90 |
Correct |
31 ms |
23836 KB |
Output is correct |
| 91 |
Correct |
30 ms |
23940 KB |
Output is correct |
| 92 |
Correct |
29 ms |
23940 KB |
Output is correct |
| 93 |
Correct |
30 ms |
23936 KB |
Output is correct |
| 94 |
Correct |
29 ms |
23856 KB |
Output is correct |
| 95 |
Correct |
28 ms |
23844 KB |
Output is correct |
| 96 |
Correct |
31 ms |
23832 KB |
Output is correct |
| 97 |
Correct |
29 ms |
23836 KB |
Output is correct |
| 98 |
Correct |
29 ms |
23932 KB |
Output is correct |
| 99 |
Correct |
29 ms |
23972 KB |
Output is correct |
| 100 |
Correct |
29 ms |
23892 KB |
Output is correct |
| 101 |
Correct |
30 ms |
23880 KB |
Output is correct |
| 102 |
Correct |
30 ms |
23916 KB |
Output is correct |
