This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define IO_OP ios::sync_with_stdio(0), cin.tie(0)
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emaplce_back
#define MP make_pair
#define ALL(v) (v).begin(), (v).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef vector<int> vi;
const int INF = 1e9 + 7, N = 1e6 + 7;
int c[N], ans[N];
void cmin(int& a, int b) {
a = min(a, b);
}
signed main()
{
IO_OP;
int n, m;
cin >> n >> m;
for(int i = 0; i < n; i++) {
cin >> c[i];
c[i]--;
}
auto go = [&] (int x, int y) {
int clr[] = {x, y};
auto cost = [&] (int i, int color) {
return int(clr[color] != c[i]);
};
// dp[cut 01][last][parity]
array<array<array<int, 2>, 2>, 2> dp;
for(int i = 0; i < 2; i++)
for(int j = 0; j < 2; j++)
for(int k = 0; k < 2; k++)
dp[i][j][k] = INF;
dp[0][0][1] = cost(0, 0);
dp[0][1][1] = cost(0, 1);
for(int idx = 1; idx < n; idx++) {
array<array<array<int, 2>, 2>, 2> ndp;
for(int i = 0; i < 2; i++)
for(int j = 0; j < 2; j++)
for(int k = 0; k < 2; k++)
ndp[i][j][k] = INF;
for(int i = 0; i < 2; i++)
for(int j = 0; j < 2; j++)
for(int k = 0; k < 2; k++) {
for(int l = 0; l < 2; l++) {
if(j == l)
cmin(ndp[i][l][k ^ 1], dp[i][j][k] + cost(idx, l));
else {
if(i && k) continue;
cmin(ndp[1][l][1], dp[i][j][k] + cost(idx, l));
}
}
}
swap(dp, ndp);
}
int mn = INF;
for(int i = 0; i < 2; i++)
for(int j = 0; j < 2; j++)
for(int k = 0; k < 2; k++)
cmin(mn, dp[i][j][k]);
return mn;
};
for(int i = 0; i < m; i++)
ans[i] = INF;
for(int i = 0; i < m; i++)
for(int j = 0; j <= i; j++) {
int tt = go(i, j);
ans[i] = min(ans[i], tt);
ans[j] = min(ans[j], tt);
}
for(int i = 0; i < m; i++)
cout << ans[i] << '\n';
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |