#include <iostream>
#include <vector>
#include <numeric>
#include <cmath>
#include <set>
#include <array>
#include <algorithm>
using namespace std;
using ll = long long;
int counter(int a, string b, int n)
{
b.push_back('0');
int cnt1 = 0;
for (int i = 1; i <= n; ++i) cnt1 += b[i] == '0' && b[i - 1] == '1';
b.back() = '1';
int cnt2 = 0;
for (int i = 1; i <= n; ++i) cnt2 += b[i] == '1' && b[i - 1] == '0';
if (a != 0) ++cnt1;
if (a != (1 << n) - 1) ++cnt2;
return min(cnt1, cnt2);
}
int main()
{
cin.tie(0)->sync_with_stdio(0);
int n;
string a, b;
cin >> n >> a >> b;
int minRes = 1e9;
for (int mask = 0; mask < (1 << n); ++mask)
{
int na = 0, add = 0;
for (int i = 0; i < n; ++i)
{
na += (((a[i] - '0') + (mask & (1 << i))) % 2) * (1 << i);
if (i > 0) add += !(mask & (1 << i)) && (mask & (1 << (i - 1)));
}
minRes = min(minRes, counter(na, b, n) + add);
}
cout << minRes;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |