답안 #254613

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
254613	2020-07-30T10:34:46 Z	pit4h	Rope (JOI17_rope)	C++14	45 / 100	2500 ms	1152 KB

rope

#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';
	}
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	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

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	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

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	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	-

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	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	-

Subtask #5
0 / 20.0

#	결과	실행 시간	메모리	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	-

답안 #254613

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 0 / 10.0

Subtask #4 0 / 25.0

Subtask #5 0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
30.0 / 30.0

Subtask #3
0 / 10.0

Subtask #4
0 / 25.0

Subtask #5
0 / 20.0