답안 #1021205

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1021205	2024-07-12T15:37:01 Z	amunduzbaev	Ski 2 (JOI24_ski2)	C++17	100 / 100	66 ms	1936 KB

Main

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef long long ll;
#define int ll

const int inf = 1e9;
const ll INF = 1e15;

const int N = 305;
ll dp[2][N][N];

signed main() {
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, k; cin >> n >> k;
	
	vector<int> h(n), c(n);
	for(int i=0;i<n;i++){
		cin >> h[i] >> c[i];
	}
	
	vector<int> p(n);
	iota(p.begin(), p.end(), 0);
	sort(p.begin(), p.end(), [&](int i, int j){
		if(h[i] != h[j]) return h[i] < h[j];
		else return c[i] < c[j];
	});
	
	memset(dp, 63, sizeof dp);
	
	//~ cout<<"here"<<endl;
	
	dp[0][0][1] = 0;
	int t = 0, s = 1; 
	ll mn = INF;
	
	//~ const int MX = N + N;
	
	vector<int> H = h;
	sort(H.begin(), H.end());
	for(int i=1;i<n;i++){
		if(H[i] <= H[i - 1]) H[i] = H[i - 1] + 1;
	}
	
	int i = 0;
	for(auto h_ : H){
		int j = i;
		while(j < n && h[p[j]] == h_){
			j++;
		}
		
		memset(dp[s], 63, sizeof dp[s]);
		
		int cur = j - i;
		for(int c=0;c<=i;c++){
			for(int cnt=0;cnt<=i+1;cnt++){
				//~ if(dp[t][c][cnt] >= INF) continue;
				
				if(cnt <= c + cur){
					dp[s][c + cur - cnt][cnt] = min(dp[s][c + cur - cnt][cnt], dp[t][c][cnt] + (c + cur - cnt) * 1ll * k);
				} else {
					dp[s][0][cnt] = min(dp[s][0][cnt], dp[t][c][cnt]);
				}
				
				//~ for(int x=min(cnt, c + cur);x<=c + cur;x++){
					//~ dp[s][c + cur - x][max(cnt, x)] = min(dp[s][c + cur - x][max(cnt, x)], dp[t][c][cnt] + max(0ll, x - cnt) * 1ll * mn + (c + cur - x) * 1ll * k);
				//~ }
			}
		}
		
		for ( int c=j;c>0;c--) {
			for(int cnt=0;cnt<=j+1;cnt++){
				dp[s][c - 1][cnt + 1] = min(dp[s][c - 1][cnt + 1], dp[s][c][cnt] + mn - k);
			}
		}
		
		swap(s, t);
		while(i < j){
			mn = min(mn, 1ll * c[p[i]]);
			i++;
		}
	}
	
	mn = INF;
	for(int i=0;i<=n;i++){
		mn = min(mn, dp[t][0][i]);
	}
	//~ cout<<dp[t][0][
	cout<<mn<<"\n";
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	22 ms	1880 KB	Output is correct
2	Correct	23 ms	1880 KB	Output is correct
3	Correct	24 ms	1880 KB	Output is correct
4	Correct	24 ms	1880 KB	Output is correct
5	Correct	24 ms	1880 KB	Output is correct
6	Correct	24 ms	1924 KB	Output is correct
7	Correct	61 ms	1896 KB	Output is correct
8	Correct	58 ms	1884 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	51 ms	1884 KB	Output is correct
2	Correct	66 ms	1904 KB	Output is correct
3	Correct	52 ms	1880 KB	Output is correct
4	Correct	51 ms	1884 KB	Output is correct
5	Correct	43 ms	1880 KB	Output is correct
6	Correct	41 ms	1884 KB	Output is correct
7	Correct	22 ms	1884 KB	Output is correct
8	Correct	22 ms	1880 KB	Output is correct
9	Correct	53 ms	1884 KB	Output is correct
10	Correct	60 ms	1880 KB	Output is correct
11	Correct	47 ms	1904 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1884 KB	Output is correct
2	Correct	1 ms	1884 KB	Output is correct
3	Correct	1 ms	1884 KB	Output is correct
4	Correct	1 ms	1884 KB	Output is correct
5	Correct	2 ms	1752 KB	Output is correct
6	Correct	1 ms	1920 KB	Output is correct
7	Correct	2 ms	1884 KB	Output is correct
8	Correct	1 ms	1884 KB	Output is correct
9	Correct	1 ms	1884 KB	Output is correct
10	Correct	1 ms	1884 KB	Output is correct
11	Correct	1 ms	1884 KB	Output is correct
12	Correct	2 ms	1884 KB	Output is correct
13	Correct	1 ms	1884 KB	Output is correct
14	Correct	1 ms	1884 KB	Output is correct
15	Correct	1 ms	1884 KB	Output is correct
16	Correct	1 ms	1884 KB	Output is correct
17	Correct	1 ms	1884 KB	Output is correct
18	Correct	1 ms	1884 KB	Output is correct
19	Correct	1 ms	1884 KB	Output is correct
20	Correct	1 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	1 ms	1884 KB	Output is correct

Subtask #4
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1884 KB	Output is correct
2	Correct	1 ms	1884 KB	Output is correct
3	Correct	1 ms	1884 KB	Output is correct
4	Correct	1 ms	1884 KB	Output is correct
5	Correct	2 ms	1752 KB	Output is correct
6	Correct	1 ms	1920 KB	Output is correct
7	Correct	2 ms	1884 KB	Output is correct
8	Correct	1 ms	1884 KB	Output is correct
9	Correct	1 ms	1884 KB	Output is correct
10	Correct	1 ms	1884 KB	Output is correct
11	Correct	1 ms	1884 KB	Output is correct
12	Correct	2 ms	1884 KB	Output is correct
13	Correct	1 ms	1884 KB	Output is correct
14	Correct	1 ms	1884 KB	Output is correct
15	Correct	1 ms	1884 KB	Output is correct
16	Correct	1 ms	1884 KB	Output is correct
17	Correct	1 ms	1884 KB	Output is correct
18	Correct	1 ms	1884 KB	Output is correct
19	Correct	1 ms	1884 KB	Output is correct
20	Correct	1 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	1 ms	1884 KB	Output is correct
24	Correct	2 ms	1884 KB	Output is correct
25	Correct	1 ms	1884 KB	Output is correct
26	Correct	2 ms	1884 KB	Output is correct
27	Correct	2 ms	1884 KB	Output is correct
28	Correct	1 ms	1884 KB	Output is correct
29	Correct	1 ms	1884 KB	Output is correct
30	Correct	1 ms	1884 KB	Output is correct
31	Correct	1 ms	1884 KB	Output is correct
32	Correct	1 ms	1884 KB	Output is correct
33	Correct	1 ms	1748 KB	Output is correct
34	Correct	1 ms	1884 KB	Output is correct
35	Correct	2 ms	1884 KB	Output is correct
36	Correct	1 ms	1884 KB	Output is correct
37	Correct	2 ms	1884 KB	Output is correct
38	Correct	2 ms	1884 KB	Output is correct
39	Correct	1 ms	1884 KB	Output is correct
40	Correct	1 ms	1884 KB	Output is correct
41	Correct	1 ms	1884 KB	Output is correct
42	Correct	1 ms	1884 KB	Output is correct
43	Correct	1 ms	1884 KB	Output is correct
44	Correct	1 ms	1884 KB	Output is correct
45	Correct	2 ms	1884 KB	Output is correct
46	Correct	1 ms	1884 KB	Output is correct
47	Correct	2 ms	1880 KB	Output is correct
48	Correct	2 ms	1884 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	22 ms	1880 KB	Output is correct
2	Correct	23 ms	1880 KB	Output is correct
3	Correct	24 ms	1880 KB	Output is correct
4	Correct	24 ms	1880 KB	Output is correct
5	Correct	24 ms	1880 KB	Output is correct
6	Correct	24 ms	1924 KB	Output is correct
7	Correct	61 ms	1896 KB	Output is correct
8	Correct	58 ms	1884 KB	Output is correct
9	Correct	51 ms	1884 KB	Output is correct
10	Correct	66 ms	1904 KB	Output is correct
11	Correct	52 ms	1880 KB	Output is correct
12	Correct	51 ms	1884 KB	Output is correct
13	Correct	43 ms	1880 KB	Output is correct
14	Correct	41 ms	1884 KB	Output is correct
15	Correct	22 ms	1884 KB	Output is correct
16	Correct	22 ms	1880 KB	Output is correct
17	Correct	53 ms	1884 KB	Output is correct
18	Correct	60 ms	1880 KB	Output is correct
19	Correct	47 ms	1904 KB	Output is correct
20	Correct	1 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	1 ms	1884 KB	Output is correct
24	Correct	2 ms	1752 KB	Output is correct
25	Correct	1 ms	1920 KB	Output is correct
26	Correct	2 ms	1884 KB	Output is correct
27	Correct	1 ms	1884 KB	Output is correct
28	Correct	1 ms	1884 KB	Output is correct
29	Correct	1 ms	1884 KB	Output is correct
30	Correct	1 ms	1884 KB	Output is correct
31	Correct	2 ms	1884 KB	Output is correct
32	Correct	1 ms	1884 KB	Output is correct
33	Correct	1 ms	1884 KB	Output is correct
34	Correct	1 ms	1884 KB	Output is correct
35	Correct	1 ms	1884 KB	Output is correct
36	Correct	1 ms	1884 KB	Output is correct
37	Correct	1 ms	1884 KB	Output is correct
38	Correct	1 ms	1884 KB	Output is correct
39	Correct	1 ms	1884 KB	Output is correct
40	Correct	1 ms	1884 KB	Output is correct
41	Correct	1 ms	1884 KB	Output is correct
42	Correct	1 ms	1884 KB	Output is correct
43	Correct	2 ms	1884 KB	Output is correct
44	Correct	1 ms	1884 KB	Output is correct
45	Correct	2 ms	1884 KB	Output is correct
46	Correct	2 ms	1884 KB	Output is correct
47	Correct	1 ms	1884 KB	Output is correct
48	Correct	1 ms	1884 KB	Output is correct
49	Correct	1 ms	1884 KB	Output is correct
50	Correct	1 ms	1884 KB	Output is correct
51	Correct	1 ms	1884 KB	Output is correct
52	Correct	1 ms	1748 KB	Output is correct
53	Correct	1 ms	1884 KB	Output is correct
54	Correct	2 ms	1884 KB	Output is correct
55	Correct	1 ms	1884 KB	Output is correct
56	Correct	2 ms	1884 KB	Output is correct
57	Correct	2 ms	1884 KB	Output is correct
58	Correct	1 ms	1884 KB	Output is correct
59	Correct	1 ms	1884 KB	Output is correct
60	Correct	1 ms	1884 KB	Output is correct
61	Correct	1 ms	1884 KB	Output is correct
62	Correct	1 ms	1884 KB	Output is correct
63	Correct	1 ms	1884 KB	Output is correct
64	Correct	2 ms	1884 KB	Output is correct
65	Correct	1 ms	1884 KB	Output is correct
66	Correct	2 ms	1880 KB	Output is correct
67	Correct	2 ms	1884 KB	Output is correct
68	Correct	23 ms	1884 KB	Output is correct
69	Correct	23 ms	1932 KB	Output is correct
70	Correct	23 ms	1880 KB	Output is correct
71	Correct	24 ms	1880 KB	Output is correct
72	Correct	22 ms	1884 KB	Output is correct
73	Correct	29 ms	1884 KB	Output is correct
74	Correct	22 ms	1928 KB	Output is correct
75	Correct	22 ms	1928 KB	Output is correct
76	Correct	21 ms	1936 KB	Output is correct
77	Correct	21 ms	1884 KB	Output is correct
78	Correct	24 ms	1884 KB	Output is correct
79	Correct	25 ms	1880 KB	Output is correct
80	Correct	25 ms	1884 KB	Output is correct
81	Correct	52 ms	1904 KB	Output is correct
82	Correct	57 ms	1884 KB	Output is correct
83	Correct	52 ms	1888 KB	Output is correct
84	Correct	52 ms	1888 KB	Output is correct
85	Correct	52 ms	1884 KB	Output is correct
86	Correct	49 ms	1880 KB	Output is correct
87	Correct	50 ms	1884 KB	Output is correct
88	Correct	52 ms	1880 KB	Output is correct
89	Correct	42 ms	1880 KB	Output is correct
90	Correct	34 ms	1884 KB	Output is correct

Subtask #6
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	22 ms	1880 KB	Output is correct
2	Correct	23 ms	1880 KB	Output is correct
3	Correct	24 ms	1880 KB	Output is correct
4	Correct	24 ms	1880 KB	Output is correct
5	Correct	24 ms	1880 KB	Output is correct
6	Correct	24 ms	1924 KB	Output is correct
7	Correct	61 ms	1896 KB	Output is correct
8	Correct	58 ms	1884 KB	Output is correct
9	Correct	51 ms	1884 KB	Output is correct
10	Correct	66 ms	1904 KB	Output is correct
11	Correct	52 ms	1880 KB	Output is correct
12	Correct	51 ms	1884 KB	Output is correct
13	Correct	43 ms	1880 KB	Output is correct
14	Correct	41 ms	1884 KB	Output is correct
15	Correct	22 ms	1884 KB	Output is correct
16	Correct	22 ms	1880 KB	Output is correct
17	Correct	53 ms	1884 KB	Output is correct
18	Correct	60 ms	1880 KB	Output is correct
19	Correct	47 ms	1904 KB	Output is correct
20	Correct	1 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	1 ms	1884 KB	Output is correct
24	Correct	2 ms	1752 KB	Output is correct
25	Correct	1 ms	1920 KB	Output is correct
26	Correct	2 ms	1884 KB	Output is correct
27	Correct	1 ms	1884 KB	Output is correct
28	Correct	1 ms	1884 KB	Output is correct
29	Correct	1 ms	1884 KB	Output is correct
30	Correct	1 ms	1884 KB	Output is correct
31	Correct	2 ms	1884 KB	Output is correct
32	Correct	1 ms	1884 KB	Output is correct
33	Correct	1 ms	1884 KB	Output is correct
34	Correct	1 ms	1884 KB	Output is correct
35	Correct	1 ms	1884 KB	Output is correct
36	Correct	1 ms	1884 KB	Output is correct
37	Correct	1 ms	1884 KB	Output is correct
38	Correct	1 ms	1884 KB	Output is correct
39	Correct	1 ms	1884 KB	Output is correct
40	Correct	1 ms	1884 KB	Output is correct
41	Correct	1 ms	1884 KB	Output is correct
42	Correct	1 ms	1884 KB	Output is correct
43	Correct	2 ms	1884 KB	Output is correct
44	Correct	1 ms	1884 KB	Output is correct
45	Correct	2 ms	1884 KB	Output is correct
46	Correct	2 ms	1884 KB	Output is correct
47	Correct	1 ms	1884 KB	Output is correct
48	Correct	1 ms	1884 KB	Output is correct
49	Correct	1 ms	1884 KB	Output is correct
50	Correct	1 ms	1884 KB	Output is correct
51	Correct	1 ms	1884 KB	Output is correct
52	Correct	1 ms	1748 KB	Output is correct
53	Correct	1 ms	1884 KB	Output is correct
54	Correct	2 ms	1884 KB	Output is correct
55	Correct	1 ms	1884 KB	Output is correct
56	Correct	2 ms	1884 KB	Output is correct
57	Correct	2 ms	1884 KB	Output is correct
58	Correct	1 ms	1884 KB	Output is correct
59	Correct	1 ms	1884 KB	Output is correct
60	Correct	1 ms	1884 KB	Output is correct
61	Correct	1 ms	1884 KB	Output is correct
62	Correct	1 ms	1884 KB	Output is correct
63	Correct	1 ms	1884 KB	Output is correct
64	Correct	2 ms	1884 KB	Output is correct
65	Correct	1 ms	1884 KB	Output is correct
66	Correct	2 ms	1880 KB	Output is correct
67	Correct	2 ms	1884 KB	Output is correct
68	Correct	23 ms	1884 KB	Output is correct
69	Correct	23 ms	1932 KB	Output is correct
70	Correct	23 ms	1880 KB	Output is correct
71	Correct	24 ms	1880 KB	Output is correct
72	Correct	22 ms	1884 KB	Output is correct
73	Correct	29 ms	1884 KB	Output is correct
74	Correct	22 ms	1928 KB	Output is correct
75	Correct	22 ms	1928 KB	Output is correct
76	Correct	21 ms	1936 KB	Output is correct
77	Correct	21 ms	1884 KB	Output is correct
78	Correct	24 ms	1884 KB	Output is correct
79	Correct	25 ms	1880 KB	Output is correct
80	Correct	25 ms	1884 KB	Output is correct
81	Correct	52 ms	1904 KB	Output is correct
82	Correct	57 ms	1884 KB	Output is correct
83	Correct	52 ms	1888 KB	Output is correct
84	Correct	52 ms	1888 KB	Output is correct
85	Correct	52 ms	1884 KB	Output is correct
86	Correct	49 ms	1880 KB	Output is correct
87	Correct	50 ms	1884 KB	Output is correct
88	Correct	52 ms	1880 KB	Output is correct
89	Correct	42 ms	1880 KB	Output is correct
90	Correct	34 ms	1884 KB	Output is correct
91	Correct	22 ms	1928 KB	Output is correct
92	Correct	28 ms	1884 KB	Output is correct
93	Correct	27 ms	1884 KB	Output is correct
94	Correct	21 ms	1880 KB	Output is correct
95	Correct	21 ms	1928 KB	Output is correct
96	Correct	22 ms	1884 KB	Output is correct
97	Correct	21 ms	1932 KB	Output is correct
98	Correct	21 ms	1884 KB	Output is correct
99	Correct	21 ms	1928 KB	Output is correct
100	Correct	28 ms	1936 KB	Output is correct
101	Correct	21 ms	1884 KB	Output is correct
102	Correct	21 ms	1880 KB	Output is correct
103	Correct	21 ms	1884 KB	Output is correct
104	Correct	59 ms	1884 KB	Output is correct
105	Correct	58 ms	1908 KB	Output is correct
106	Correct	52 ms	1884 KB	Output is correct
107	Correct	65 ms	1884 KB	Output is correct
108	Correct	43 ms	1884 KB	Output is correct
109	Correct	41 ms	1880 KB	Output is correct
110	Correct	37 ms	1884 KB	Output is correct
111	Correct	32 ms	1884 KB	Output is correct

답안 #1021205

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 12.0 / 12.0

Subtask #3 9.0 / 9.0

Subtask #4 33.0 / 33.0

Subtask #5 27.0 / 27.0

Subtask #6 14.0 / 14.0

Subtask #1
5.0 / 5.0

Subtask #2
12.0 / 12.0

Subtask #3
9.0 / 9.0

Subtask #4
33.0 / 33.0

Subtask #5
27.0 / 27.0

Subtask #6
14.0 / 14.0