#include "bits/stdc++.h"
using namespace std;
string s, t;
int n;
const int inf = 1e9;
int mem[2][3][1000010];
int dp(int cur, int xr, int col) {
if(cur == n) return 0;
int &ans = mem[xr][col][cur];
if(ans != -1) return ans;
ans = inf;
for(int i = 0; i < 2; i++) {
for(int j = 0; j < 3; j++) {
int cost = 0;
if(xr != i && i > 0) ++cost;
if(col != j && j > 0) ++cost;
int c = (j > 0) ? (j - 1) : (t[cur] - '0');
c ^= i;
if(c == (s[cur] - '0')) {
ans = min(ans, dp(cur + 1, i, j) + cost);
}
}
}
return ans;
}
int main(int argc, char const *argv[])
{
memset(mem, -1, sizeof mem);
cin >> n >> t >> s;
cout << dp(0, 0, 0) << endl;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
22 ms |
23780 KB |
Output is correct |
| 7 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 8 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 9 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 10 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 11 |
Correct |
22 ms |
23800 KB |
Output is correct |
| 12 |
Correct |
23 ms |
23800 KB |
Output is correct |
| 13 |
Correct |
25 ms |
23800 KB |
Output is correct |
| 14 |
Correct |
21 ms |
23800 KB |
Output is correct |
| 15 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 16 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 17 |
Correct |
24 ms |
23936 KB |
Output is correct |
| 18 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 19 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 20 |
Correct |
23 ms |
23808 KB |
Output is correct |
| 21 |
Correct |
25 ms |
23808 KB |
Output is correct |
| 22 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 23 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 24 |
Correct |
23 ms |
23796 KB |
Output is correct |
| 25 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 26 |
Correct |
25 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 28 |
Correct |
23 ms |
23808 KB |
Output is correct |
| 29 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 30 |
Correct |
25 ms |
23780 KB |
Output is correct |
| 31 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 32 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 33 |
Correct |
23 ms |
23800 KB |
Output is correct |
| 34 |
Correct |
26 ms |
23808 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
22 ms |
23780 KB |
Output is correct |
| 7 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 8 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 9 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 10 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 11 |
Correct |
22 ms |
23800 KB |
Output is correct |
| 12 |
Correct |
23 ms |
23800 KB |
Output is correct |
| 13 |
Correct |
25 ms |
23800 KB |
Output is correct |
| 14 |
Correct |
21 ms |
23800 KB |
Output is correct |
| 15 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 16 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 17 |
Correct |
24 ms |
23936 KB |
Output is correct |
| 18 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 19 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 20 |
Correct |
23 ms |
23808 KB |
Output is correct |
| 21 |
Correct |
25 ms |
23808 KB |
Output is correct |
| 22 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 23 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 24 |
Correct |
23 ms |
23796 KB |
Output is correct |
| 25 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 26 |
Correct |
25 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 28 |
Correct |
23 ms |
23808 KB |
Output is correct |
| 29 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 30 |
Correct |
25 ms |
23780 KB |
Output is correct |
| 31 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 32 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 33 |
Correct |
23 ms |
23800 KB |
Output is correct |
| 34 |
Correct |
26 ms |
23808 KB |
Output is correct |
| 35 |
Correct |
25 ms |
23936 KB |
Output is correct |
| 36 |
Correct |
25 ms |
23948 KB |
Output is correct |
| 37 |
Correct |
22 ms |
24064 KB |
Output is correct |
| 38 |
Correct |
22 ms |
23928 KB |
Output is correct |
| 39 |
Correct |
27 ms |
24056 KB |
Output is correct |
| 40 |
Correct |
27 ms |
24064 KB |
Output is correct |
| 41 |
Correct |
25 ms |
24064 KB |
Output is correct |
| 42 |
Correct |
25 ms |
24064 KB |
Output is correct |
| 43 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 44 |
Correct |
23 ms |
24056 KB |
Output is correct |
| 45 |
Correct |
23 ms |
23936 KB |
Output is correct |
| 46 |
Correct |
24 ms |
24076 KB |
Output is correct |
| 47 |
Correct |
24 ms |
24064 KB |
Output is correct |
| 48 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 49 |
Correct |
26 ms |
23936 KB |
Output is correct |
| 50 |
Correct |
22 ms |
24064 KB |
Output is correct |
| 51 |
Correct |
22 ms |
24056 KB |
Output is correct |
| 52 |
Correct |
22 ms |
23936 KB |
Output is correct |
| 53 |
Correct |
24 ms |
23936 KB |
Output is correct |
| 54 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 55 |
Correct |
23 ms |
23936 KB |
Output is correct |
| 56 |
Correct |
25 ms |
24064 KB |
Output is correct |
| 57 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 58 |
Correct |
23 ms |
23936 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
21 ms |
23728 KB |
Output is correct |
| 2 |
Correct |
22 ms |
23780 KB |
Output is correct |
| 3 |
Correct |
25 ms |
23928 KB |
Output is correct |
| 4 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
23 ms |
23928 KB |
Output is correct |
| 6 |
Correct |
24 ms |
23816 KB |
Output is correct |
| 7 |
Correct |
311 ms |
120224 KB |
Output is correct |
| 8 |
Correct |
380 ms |
120164 KB |
Output is correct |
| 9 |
Correct |
335 ms |
120224 KB |
Output is correct |
| 10 |
Correct |
355 ms |
120168 KB |
Output is correct |
| 11 |
Correct |
328 ms |
120136 KB |
Output is correct |
| 12 |
Correct |
343 ms |
120036 KB |
Output is correct |
| 13 |
Correct |
297 ms |
120232 KB |
Output is correct |
| 14 |
Correct |
321 ms |
120168 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
22 ms |
23780 KB |
Output is correct |
| 7 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 8 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 9 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 10 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 11 |
Correct |
22 ms |
23800 KB |
Output is correct |
| 12 |
Correct |
23 ms |
23800 KB |
Output is correct |
| 13 |
Correct |
25 ms |
23800 KB |
Output is correct |
| 14 |
Correct |
21 ms |
23800 KB |
Output is correct |
| 15 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 16 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 17 |
Correct |
24 ms |
23936 KB |
Output is correct |
| 18 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 19 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 20 |
Correct |
23 ms |
23808 KB |
Output is correct |
| 21 |
Correct |
25 ms |
23808 KB |
Output is correct |
| 22 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 23 |
Correct |
24 ms |
23808 KB |
Output is correct |
| 24 |
Correct |
23 ms |
23796 KB |
Output is correct |
| 25 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 26 |
Correct |
25 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 28 |
Correct |
23 ms |
23808 KB |
Output is correct |
| 29 |
Correct |
21 ms |
23808 KB |
Output is correct |
| 30 |
Correct |
25 ms |
23780 KB |
Output is correct |
| 31 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 32 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 33 |
Correct |
23 ms |
23800 KB |
Output is correct |
| 34 |
Correct |
26 ms |
23808 KB |
Output is correct |
| 35 |
Correct |
25 ms |
23936 KB |
Output is correct |
| 36 |
Correct |
25 ms |
23948 KB |
Output is correct |
| 37 |
Correct |
22 ms |
24064 KB |
Output is correct |
| 38 |
Correct |
22 ms |
23928 KB |
Output is correct |
| 39 |
Correct |
27 ms |
24056 KB |
Output is correct |
| 40 |
Correct |
27 ms |
24064 KB |
Output is correct |
| 41 |
Correct |
25 ms |
24064 KB |
Output is correct |
| 42 |
Correct |
25 ms |
24064 KB |
Output is correct |
| 43 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 44 |
Correct |
23 ms |
24056 KB |
Output is correct |
| 45 |
Correct |
23 ms |
23936 KB |
Output is correct |
| 46 |
Correct |
24 ms |
24076 KB |
Output is correct |
| 47 |
Correct |
24 ms |
24064 KB |
Output is correct |
| 48 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 49 |
Correct |
26 ms |
23936 KB |
Output is correct |
| 50 |
Correct |
22 ms |
24064 KB |
Output is correct |
| 51 |
Correct |
22 ms |
24056 KB |
Output is correct |
| 52 |
Correct |
22 ms |
23936 KB |
Output is correct |
| 53 |
Correct |
24 ms |
23936 KB |
Output is correct |
| 54 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 55 |
Correct |
23 ms |
23936 KB |
Output is correct |
| 56 |
Correct |
25 ms |
24064 KB |
Output is correct |
| 57 |
Correct |
23 ms |
24064 KB |
Output is correct |
| 58 |
Correct |
23 ms |
23936 KB |
Output is correct |
| 59 |
Correct |
21 ms |
23728 KB |
Output is correct |
| 60 |
Correct |
22 ms |
23780 KB |
Output is correct |
| 61 |
Correct |
25 ms |
23928 KB |
Output is correct |
| 62 |
Correct |
22 ms |
23808 KB |
Output is correct |
| 63 |
Correct |
23 ms |
23928 KB |
Output is correct |
| 64 |
Correct |
24 ms |
23816 KB |
Output is correct |
| 65 |
Correct |
311 ms |
120224 KB |
Output is correct |
| 66 |
Correct |
380 ms |
120164 KB |
Output is correct |
| 67 |
Correct |
335 ms |
120224 KB |
Output is correct |
| 68 |
Correct |
355 ms |
120168 KB |
Output is correct |
| 69 |
Correct |
328 ms |
120136 KB |
Output is correct |
| 70 |
Correct |
343 ms |
120036 KB |
Output is correct |
| 71 |
Correct |
297 ms |
120232 KB |
Output is correct |
| 72 |
Correct |
321 ms |
120168 KB |
Output is correct |
| 73 |
Correct |
317 ms |
120160 KB |
Output is correct |
| 74 |
Correct |
305 ms |
120036 KB |
Output is correct |
| 75 |
Correct |
397 ms |
120044 KB |
Output is correct |
| 76 |
Correct |
316 ms |
120036 KB |
Output is correct |
| 77 |
Correct |
364 ms |
120120 KB |
Output is correct |
| 78 |
Correct |
336 ms |
120036 KB |
Output is correct |
| 79 |
Correct |
321 ms |
120012 KB |
Output is correct |
| 80 |
Correct |
371 ms |
120164 KB |
Output is correct |
| 81 |
Correct |
335 ms |
120236 KB |
Output is correct |
| 82 |
Correct |
338 ms |
120172 KB |
Output is correct |
| 83 |
Correct |
329 ms |
120340 KB |
Output is correct |
| 84 |
Correct |
310 ms |
120160 KB |
Output is correct |
| 85 |
Correct |
320 ms |
120164 KB |
Output is correct |
| 86 |
Correct |
284 ms |
120284 KB |
Output is correct |
| 87 |
Correct |
378 ms |
120232 KB |
Output is correct |
| 88 |
Correct |
318 ms |
120200 KB |
Output is correct |
| 89 |
Correct |
266 ms |
120100 KB |
Output is correct |
| 90 |
Correct |
272 ms |
120164 KB |
Output is correct |
| 91 |
Correct |
350 ms |
120040 KB |
Output is correct |
| 92 |
Correct |
332 ms |
120240 KB |
Output is correct |
| 93 |
Correct |
306 ms |
120136 KB |
Output is correct |
| 94 |
Correct |
328 ms |
120036 KB |
Output is correct |
| 95 |
Correct |
320 ms |
120128 KB |
Output is correct |
| 96 |
Correct |
313 ms |
120108 KB |
Output is correct |
| 97 |
Correct |
338 ms |
120172 KB |
Output is correct |
| 98 |
Correct |
294 ms |
120036 KB |
Output is correct |
| 99 |
Correct |
349 ms |
120168 KB |
Output is correct |
| 100 |
Correct |
418 ms |
120036 KB |
Output is correct |
| 101 |
Correct |
419 ms |
120164 KB |
Output is correct |
| 102 |
Correct |
318 ms |
120036 KB |
Output is correct |
