#include<bits/stdc++.h>
using namespace std;
const int N = 3e5+10;
int n;
string a,b;
int dp[N][6];
int ans = 1e9;
void Input();
void Dp();
int C(int);
int Esh(int,int);
bool F(char,char,int);
void Output();
int main(){
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
Input();
Dp();
Output();
}
void Input(){
cin >> n >> a >> b;
}
void Dp(){
//base
for(int i = 0;i < 6;i++)
if(F(a[0], b[0], i))
dp[0][i] = C(i);
else
dp[0][i] = -1;
//dp
for(int i = 1;i < n;i++)
for(int j = 0;j < 6;j++)
if(F(a[i], b[i], j)){
dp[i][j] = n;
for(int k = 0;k < 6;k++)
if(dp[i-1][k] != -1)
dp[i][j] = min(dp[i][j], dp[i-1][k] + C(j) - Esh(k, j));
}else
dp[i][j] = -1;
}
int C(int x){
int res = 0;
if(x > 1) res++;
if(x % 2) res++;
return res;
}
int Esh(int k, int j){
int res = 0;
if(k % 2 and j % 2) res++;
if(k/2 == j/2 and k/2) res++;
return res;
}
bool F(char x,char y,int f){
if((f == 2 or f == 5) and y == '0')
return true;
else if((f == 3 or f == 4) and y == '1')
return true;
else if(f == 0 and x == y)
return true;
else if(f == 1 and x != y)
return true;
return false;
}
void Output(){
for(int i = 0;i < 6;i++)
if(dp[n-1][i] != -1)
ans = min(ans, dp[n-1][i]);
cout << ans << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
224 KB |
Output is correct |
| 23 |
Correct |
1 ms |
224 KB |
Output is correct |
| 24 |
Correct |
0 ms |
224 KB |
Output is correct |
| 25 |
Correct |
0 ms |
220 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
224 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
336 KB |
Output is correct |
| 32 |
Correct |
0 ms |
224 KB |
Output is correct |
| 33 |
Correct |
1 ms |
228 KB |
Output is correct |
| 34 |
Correct |
1 ms |
228 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
224 KB |
Output is correct |
| 23 |
Correct |
1 ms |
224 KB |
Output is correct |
| 24 |
Correct |
0 ms |
224 KB |
Output is correct |
| 25 |
Correct |
0 ms |
220 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
224 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
336 KB |
Output is correct |
| 32 |
Correct |
0 ms |
224 KB |
Output is correct |
| 33 |
Correct |
1 ms |
228 KB |
Output is correct |
| 34 |
Correct |
1 ms |
228 KB |
Output is correct |
| 35 |
Correct |
1 ms |
356 KB |
Output is correct |
| 36 |
Correct |
1 ms |
356 KB |
Output is correct |
| 37 |
Correct |
1 ms |
356 KB |
Output is correct |
| 38 |
Correct |
0 ms |
356 KB |
Output is correct |
| 39 |
Correct |
1 ms |
356 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
352 KB |
Output is correct |
| 42 |
Correct |
1 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
356 KB |
Output is correct |
| 45 |
Correct |
1 ms |
356 KB |
Output is correct |
| 46 |
Correct |
1 ms |
356 KB |
Output is correct |
| 47 |
Correct |
1 ms |
348 KB |
Output is correct |
| 48 |
Correct |
1 ms |
352 KB |
Output is correct |
| 49 |
Correct |
1 ms |
356 KB |
Output is correct |
| 50 |
Correct |
1 ms |
356 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
352 KB |
Output is correct |
| 53 |
Correct |
1 ms |
348 KB |
Output is correct |
| 54 |
Correct |
1 ms |
364 KB |
Output is correct |
| 55 |
Correct |
1 ms |
348 KB |
Output is correct |
| 56 |
Correct |
1 ms |
356 KB |
Output is correct |
| 57 |
Correct |
1 ms |
376 KB |
Output is correct |
| 58 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
216 KB |
Output is correct |
| 2 |
Correct |
0 ms |
216 KB |
Output is correct |
| 3 |
Correct |
0 ms |
224 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
220 KB |
Output is correct |
| 6 |
Correct |
0 ms |
224 KB |
Output is correct |
| 7 |
Runtime error |
27 ms |
20936 KB |
Execution killed with signal 11 |
| 8 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
224 KB |
Output is correct |
| 23 |
Correct |
1 ms |
224 KB |
Output is correct |
| 24 |
Correct |
0 ms |
224 KB |
Output is correct |
| 25 |
Correct |
0 ms |
220 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
224 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
336 KB |
Output is correct |
| 32 |
Correct |
0 ms |
224 KB |
Output is correct |
| 33 |
Correct |
1 ms |
228 KB |
Output is correct |
| 34 |
Correct |
1 ms |
228 KB |
Output is correct |
| 35 |
Correct |
1 ms |
356 KB |
Output is correct |
| 36 |
Correct |
1 ms |
356 KB |
Output is correct |
| 37 |
Correct |
1 ms |
356 KB |
Output is correct |
| 38 |
Correct |
0 ms |
356 KB |
Output is correct |
| 39 |
Correct |
1 ms |
356 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
352 KB |
Output is correct |
| 42 |
Correct |
1 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
356 KB |
Output is correct |
| 45 |
Correct |
1 ms |
356 KB |
Output is correct |
| 46 |
Correct |
1 ms |
356 KB |
Output is correct |
| 47 |
Correct |
1 ms |
348 KB |
Output is correct |
| 48 |
Correct |
1 ms |
352 KB |
Output is correct |
| 49 |
Correct |
1 ms |
356 KB |
Output is correct |
| 50 |
Correct |
1 ms |
356 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
352 KB |
Output is correct |
| 53 |
Correct |
1 ms |
348 KB |
Output is correct |
| 54 |
Correct |
1 ms |
364 KB |
Output is correct |
| 55 |
Correct |
1 ms |
348 KB |
Output is correct |
| 56 |
Correct |
1 ms |
356 KB |
Output is correct |
| 57 |
Correct |
1 ms |
376 KB |
Output is correct |
| 58 |
Correct |
0 ms |
340 KB |
Output is correct |
| 59 |
Correct |
1 ms |
216 KB |
Output is correct |
| 60 |
Correct |
0 ms |
216 KB |
Output is correct |
| 61 |
Correct |
0 ms |
224 KB |
Output is correct |
| 62 |
Correct |
1 ms |
212 KB |
Output is correct |
| 63 |
Correct |
0 ms |
220 KB |
Output is correct |
| 64 |
Correct |
0 ms |
224 KB |
Output is correct |
| 65 |
Runtime error |
27 ms |
20936 KB |
Execution killed with signal 11 |
| 66 |
Halted |
0 ms |
0 KB |
- |
