Submission #489152

# Submission time Handle Problem Language Result Execution time Memory
489152 2021-11-21T09:52:52 Z cheissmart Rope (JOI17_rope) C++14
45 / 100
2500 ms 976 KB
#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
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 0 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 320 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 0 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 320 KB Output is correct
27 Correct 234 ms 912 KB Output is correct
28 Correct 47 ms 912 KB Output is correct
29 Correct 191 ms 848 KB Output is correct
30 Correct 91 ms 848 KB Output is correct
31 Correct 227 ms 852 KB Output is correct
32 Correct 48 ms 964 KB Output is correct
33 Correct 189 ms 900 KB Output is correct
34 Correct 68 ms 900 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 0 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 320 KB Output is correct
27 Correct 234 ms 912 KB Output is correct
28 Correct 47 ms 912 KB Output is correct
29 Correct 191 ms 848 KB Output is correct
30 Correct 91 ms 848 KB Output is correct
31 Correct 227 ms 852 KB Output is correct
32 Correct 48 ms 964 KB Output is correct
33 Correct 189 ms 900 KB Output is correct
34 Correct 68 ms 900 KB Output is correct
35 Execution timed out 2576 ms 976 KB Time limit exceeded
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 0 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 320 KB Output is correct
27 Correct 234 ms 912 KB Output is correct
28 Correct 47 ms 912 KB Output is correct
29 Correct 191 ms 848 KB Output is correct
30 Correct 91 ms 848 KB Output is correct
31 Correct 227 ms 852 KB Output is correct
32 Correct 48 ms 964 KB Output is correct
33 Correct 189 ms 900 KB Output is correct
34 Correct 68 ms 900 KB Output is correct
35 Execution timed out 2576 ms 976 KB Time limit exceeded
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 0 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 320 KB Output is correct
27 Correct 234 ms 912 KB Output is correct
28 Correct 47 ms 912 KB Output is correct
29 Correct 191 ms 848 KB Output is correct
30 Correct 91 ms 848 KB Output is correct
31 Correct 227 ms 852 KB Output is correct
32 Correct 48 ms 964 KB Output is correct
33 Correct 189 ms 900 KB Output is correct
34 Correct 68 ms 900 KB Output is correct
35 Execution timed out 2576 ms 976 KB Time limit exceeded
36 Halted 0 ms 0 KB -