Submission #254613

# Submission time Handle Problem Language Result Execution time Memory
254613 2020-07-30T10:34:46 Z pit4h Rope (JOI17_rope) C++14
45 / 100
2500 ms 1152 KB
#include<bits/stdc++.h>
using namespace std;

int solve(int c1, int c2, vector<int>& a, int m) {
	int n = a.size(); 
	vector<vector<int>> dp(3, vector<int>(3, n));
	dp[0][0] = 0;
	for(int i=0; i<n; ++i) {
		vector<vector<int>> ndp(3, vector<int>(3, n));
		ndp[2][0] = min(dp[2][0], dp[0][0]) + ((a[i]==c1)?0:1);
		ndp[2][1] = min(dp[2][2], dp[0][2]) + ((a[i]==c1)?0:1);
		ndp[2][2] = min(dp[2][1], dp[0][1]) + ((a[i]==c1)?0:1);

		ndp[0][2] = min(dp[0][2], dp[0][0]) + ((a[i]==c2)?0:1);
		ndp[1][2] = min(dp[2][2], dp[2][0]) + ((a[i]==c2)?0:1);
		ndp[2][2] = min(ndp[2][2], min(dp[1][2], dp[1][0]) + ((a[i]==c2)?0:1));
		
		//cerr<<"iter "<<i<<' '<<a[i]<<' '<<dp[2][1]+((a[i]==c1)?0:1)<<'\n';
		dp = ndp;
		/*for(int x=0; x<=2; ++x) {
			for(int y=0; y<=2; ++y) {
				cerr<<dp[x][y]<<' ';
			}
			cerr<<'\n';
		}
		cerr<<'\n';*/
	}
	int res = n;
	for(int i=0; i<=2; ++i) {
		for(int j=0; j<=2; ++j) {
			res = min(res, dp[i][j]);
		}
	}
	return res;
}
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n, m;
	cin>>n>>m;
	vector<int> a(n);
	for(int i=0; i<n; ++i) {
		cin>>a[i];	
	}
	for(int i=1; i<=m; ++i) {
		int ans = n;
		for(int j=1; j<=m; ++j) {
			ans = min(ans, solve(i, j, a, m));	
			//cerr<<"solve "<<i<<' '<<j<<": "<<solve(i, j, a, m)<<'\n';
		}
		cout<<ans<<'\n';
	}
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 2143 ms 896 KB Output is correct
28 Correct 319 ms 896 KB Output is correct
29 Correct 1594 ms 896 KB Output is correct
30 Correct 487 ms 896 KB Output is correct
31 Correct 1926 ms 896 KB Output is correct
32 Correct 324 ms 896 KB Output is correct
33 Correct 1608 ms 896 KB Output is correct
34 Correct 500 ms 896 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 2143 ms 896 KB Output is correct
28 Correct 319 ms 896 KB Output is correct
29 Correct 1594 ms 896 KB Output is correct
30 Correct 487 ms 896 KB Output is correct
31 Correct 1926 ms 896 KB Output is correct
32 Correct 324 ms 896 KB Output is correct
33 Correct 1608 ms 896 KB Output is correct
34 Correct 500 ms 896 KB Output is correct
35 Execution timed out 2570 ms 1152 KB Time limit exceeded
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 2143 ms 896 KB Output is correct
28 Correct 319 ms 896 KB Output is correct
29 Correct 1594 ms 896 KB Output is correct
30 Correct 487 ms 896 KB Output is correct
31 Correct 1926 ms 896 KB Output is correct
32 Correct 324 ms 896 KB Output is correct
33 Correct 1608 ms 896 KB Output is correct
34 Correct 500 ms 896 KB Output is correct
35 Execution timed out 2570 ms 1152 KB Time limit exceeded
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 2143 ms 896 KB Output is correct
28 Correct 319 ms 896 KB Output is correct
29 Correct 1594 ms 896 KB Output is correct
30 Correct 487 ms 896 KB Output is correct
31 Correct 1926 ms 896 KB Output is correct
32 Correct 324 ms 896 KB Output is correct
33 Correct 1608 ms 896 KB Output is correct
34 Correct 500 ms 896 KB Output is correct
35 Execution timed out 2570 ms 1152 KB Time limit exceeded
36 Halted 0 ms 0 KB -