답안 #222554

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
222554	2020-04-13T10:23:50 Z	astoria	Collecting Stamps 3 (JOI20_ho_t3)	C++14	100 / 100	408 ms	527008 KB

ho_t3

#include <bits/stdc++.h>
using namespace std;
#define int long long
int n,l;
int a[405],t[405];
int dp[405][405][205][2];
#define INF (int) 1e17

void chkmin(int &x,int y){x=x<y?x:y;}
int dis(int x,int y){return abs(a[x]-a[y]);}
bool ok(int u,int VAL){return t[u]>=VAL;}

int32_t main(){
	for(int i=0; i<405; i++){
		for(int j=0; j<405; j++){
			for(int k=0; k<205; k++){
				dp[i][j][k][0] = 1e17;
				dp[i][j][k][1] = 1e17;
			}
		}
	}
	
	cin>>n>>l;
	for(int i=1; i<=n; i++){
		cin>>a[i+n];
		a[i] = -(l-a[i+n]);
	}
	for(int i=1; i<=n; i++){
		cin>>t[i]; t[i+n]=t[i];
	}
	for(int i=1; i<=2*n; i++){
		dp[i][i][0][0] = abs(a[i]);
		if(t[i]>=abs(a[i])) dp[i][i][1][0] = abs(a[i]);
	}
	
	for(int l=1; l<n; l++){
		for(int x=1; x+l-1<=2*n; x++){
			int y = x+l-1;
			for(int k=0; k<=l; k++){
				if(dp[x][y][k][0]!=1e17){
					int now=x,u=0;
					if(x-1&&dis(now,x-1)<=INF)chkmin(dp[x-1][y][k+ok(x-1,dp[x][y][k][u]+dis(now,x-1))][0],dp[x][y][k][u]+dis(now,x-1));
					if(y+1<=2*n&&dis(now,y+1)<=INF)chkmin(dp[x][y+1][k+ok(y+1,dp[x][y][k][u]+dis(now,y+1))][1],dp[x][y][k][u]+dis(now,y+1));
				}
				if(dp[x][y][k][1]!=1e17){
					int now=y,u=1;
					if(x-1&&dis(now,x-1)<=INF)chkmin(dp[x-1][y][k+ok(x-1,dp[x][y][k][u]+dis(now,x-1))][0],dp[x][y][k][u]+dis(now,x-1));
					if(y+1<=2*n&&dis(now,y+1)<=INF)chkmin(dp[x][y+1][k+ok(y+1,dp[x][y][k][u]+dis(now,y+1))][1],dp[x][y][k][u]+dis(now,y+1));
				}
			}
		}
	}
	
	for(int k=n;k>=0;k--){
		for(int x=1;x+k-1<=2*n;x++){
			for(int y=x+k-1;y<=2*n;y++){
				if(dp[x][y][k][0]!=INF||dp[x][y][k][1]!=INF){
					cout<<k; return 0;
				}
			}
		}
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	255 ms	526752 KB	Output is correct
2	Correct	265 ms	526712 KB	Output is correct
3	Correct	256 ms	526712 KB	Output is correct
4	Correct	263 ms	526716 KB	Output is correct
5	Correct	264 ms	526716 KB	Output is correct
6	Correct	256 ms	526712 KB	Output is correct
7	Correct	258 ms	526712 KB	Output is correct
8	Correct	280 ms	526840 KB	Output is correct
9	Correct	262 ms	526712 KB	Output is correct
10	Correct	262 ms	526712 KB	Output is correct
11	Correct	258 ms	526712 KB	Output is correct
12	Correct	265 ms	526712 KB	Output is correct
13	Correct	262 ms	526840 KB	Output is correct
14	Correct	255 ms	526712 KB	Output is correct
15	Correct	257 ms	526584 KB	Output is correct
16	Correct	267 ms	526840 KB	Output is correct
17	Correct	254 ms	526712 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	255 ms	526752 KB	Output is correct
2	Correct	265 ms	526712 KB	Output is correct
3	Correct	256 ms	526712 KB	Output is correct
4	Correct	263 ms	526716 KB	Output is correct
5	Correct	264 ms	526716 KB	Output is correct
6	Correct	256 ms	526712 KB	Output is correct
7	Correct	258 ms	526712 KB	Output is correct
8	Correct	280 ms	526840 KB	Output is correct
9	Correct	262 ms	526712 KB	Output is correct
10	Correct	262 ms	526712 KB	Output is correct
11	Correct	258 ms	526712 KB	Output is correct
12	Correct	265 ms	526712 KB	Output is correct
13	Correct	262 ms	526840 KB	Output is correct
14	Correct	255 ms	526712 KB	Output is correct
15	Correct	257 ms	526584 KB	Output is correct
16	Correct	267 ms	526840 KB	Output is correct
17	Correct	254 ms	526712 KB	Output is correct
18	Correct	263 ms	526840 KB	Output is correct
19	Correct	270 ms	526712 KB	Output is correct
20	Correct	265 ms	526716 KB	Output is correct
21	Correct	260 ms	526812 KB	Output is correct
22	Correct	270 ms	526712 KB	Output is correct
23	Correct	261 ms	526712 KB	Output is correct
24	Correct	263 ms	526712 KB	Output is correct
25	Correct	274 ms	526712 KB	Output is correct
26	Correct	262 ms	526840 KB	Output is correct
27	Correct	263 ms	526712 KB	Output is correct
28	Correct	262 ms	526712 KB	Output is correct
29	Correct	264 ms	526752 KB	Output is correct
30	Correct	267 ms	526712 KB	Output is correct
31	Correct	265 ms	526712 KB	Output is correct
32	Correct	264 ms	526712 KB	Output is correct
33	Correct	264 ms	526712 KB	Output is correct
34	Correct	268 ms	526840 KB	Output is correct
35	Correct	261 ms	526712 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	255 ms	526752 KB	Output is correct
2	Correct	265 ms	526712 KB	Output is correct
3	Correct	256 ms	526712 KB	Output is correct
4	Correct	263 ms	526716 KB	Output is correct
5	Correct	264 ms	526716 KB	Output is correct
6	Correct	256 ms	526712 KB	Output is correct
7	Correct	258 ms	526712 KB	Output is correct
8	Correct	280 ms	526840 KB	Output is correct
9	Correct	262 ms	526712 KB	Output is correct
10	Correct	262 ms	526712 KB	Output is correct
11	Correct	258 ms	526712 KB	Output is correct
12	Correct	265 ms	526712 KB	Output is correct
13	Correct	262 ms	526840 KB	Output is correct
14	Correct	255 ms	526712 KB	Output is correct
15	Correct	257 ms	526584 KB	Output is correct
16	Correct	267 ms	526840 KB	Output is correct
17	Correct	254 ms	526712 KB	Output is correct
18	Correct	346 ms	526712 KB	Output is correct
19	Correct	304 ms	526712 KB	Output is correct
20	Correct	275 ms	526712 KB	Output is correct
21	Correct	309 ms	526892 KB	Output is correct
22	Correct	314 ms	526712 KB	Output is correct
23	Correct	280 ms	526712 KB	Output is correct
24	Correct	272 ms	526712 KB	Output is correct
25	Correct	277 ms	526712 KB	Output is correct
26	Correct	270 ms	526840 KB	Output is correct
27	Correct	278 ms	526712 KB	Output is correct
28	Correct	263 ms	526712 KB	Output is correct
29	Correct	273 ms	526780 KB	Output is correct
30	Correct	263 ms	526712 KB	Output is correct
31	Correct	282 ms	526840 KB	Output is correct
32	Correct	264 ms	526712 KB	Output is correct
33	Correct	277 ms	526712 KB	Output is correct
34	Correct	266 ms	526744 KB	Output is correct
35	Correct	270 ms	526712 KB	Output is correct
36	Correct	266 ms	526712 KB	Output is correct
37	Correct	301 ms	526712 KB	Output is correct
38	Correct	272 ms	526712 KB	Output is correct
39	Correct	276 ms	527008 KB	Output is correct
40	Correct	262 ms	526712 KB	Output is correct
41	Correct	389 ms	526840 KB	Output is correct
42	Correct	324 ms	526712 KB	Output is correct
43	Correct	386 ms	526712 KB	Output is correct
44	Correct	328 ms	526712 KB	Output is correct
45	Correct	391 ms	526712 KB	Output is correct
46	Correct	327 ms	526712 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	255 ms	526752 KB	Output is correct
2	Correct	265 ms	526712 KB	Output is correct
3	Correct	256 ms	526712 KB	Output is correct
4	Correct	263 ms	526716 KB	Output is correct
5	Correct	264 ms	526716 KB	Output is correct
6	Correct	256 ms	526712 KB	Output is correct
7	Correct	258 ms	526712 KB	Output is correct
8	Correct	280 ms	526840 KB	Output is correct
9	Correct	262 ms	526712 KB	Output is correct
10	Correct	262 ms	526712 KB	Output is correct
11	Correct	258 ms	526712 KB	Output is correct
12	Correct	265 ms	526712 KB	Output is correct
13	Correct	262 ms	526840 KB	Output is correct
14	Correct	255 ms	526712 KB	Output is correct
15	Correct	257 ms	526584 KB	Output is correct
16	Correct	267 ms	526840 KB	Output is correct
17	Correct	254 ms	526712 KB	Output is correct
18	Correct	263 ms	526840 KB	Output is correct
19	Correct	270 ms	526712 KB	Output is correct
20	Correct	265 ms	526716 KB	Output is correct
21	Correct	260 ms	526812 KB	Output is correct
22	Correct	270 ms	526712 KB	Output is correct
23	Correct	261 ms	526712 KB	Output is correct
24	Correct	263 ms	526712 KB	Output is correct
25	Correct	274 ms	526712 KB	Output is correct
26	Correct	262 ms	526840 KB	Output is correct
27	Correct	263 ms	526712 KB	Output is correct
28	Correct	262 ms	526712 KB	Output is correct
29	Correct	264 ms	526752 KB	Output is correct
30	Correct	267 ms	526712 KB	Output is correct
31	Correct	265 ms	526712 KB	Output is correct
32	Correct	264 ms	526712 KB	Output is correct
33	Correct	264 ms	526712 KB	Output is correct
34	Correct	268 ms	526840 KB	Output is correct
35	Correct	261 ms	526712 KB	Output is correct
36	Correct	346 ms	526712 KB	Output is correct
37	Correct	304 ms	526712 KB	Output is correct
38	Correct	275 ms	526712 KB	Output is correct
39	Correct	309 ms	526892 KB	Output is correct
40	Correct	314 ms	526712 KB	Output is correct
41	Correct	280 ms	526712 KB	Output is correct
42	Correct	272 ms	526712 KB	Output is correct
43	Correct	277 ms	526712 KB	Output is correct
44	Correct	270 ms	526840 KB	Output is correct
45	Correct	278 ms	526712 KB	Output is correct
46	Correct	263 ms	526712 KB	Output is correct
47	Correct	273 ms	526780 KB	Output is correct
48	Correct	263 ms	526712 KB	Output is correct
49	Correct	282 ms	526840 KB	Output is correct
50	Correct	264 ms	526712 KB	Output is correct
51	Correct	277 ms	526712 KB	Output is correct
52	Correct	266 ms	526744 KB	Output is correct
53	Correct	270 ms	526712 KB	Output is correct
54	Correct	266 ms	526712 KB	Output is correct
55	Correct	301 ms	526712 KB	Output is correct
56	Correct	272 ms	526712 KB	Output is correct
57	Correct	276 ms	527008 KB	Output is correct
58	Correct	262 ms	526712 KB	Output is correct
59	Correct	389 ms	526840 KB	Output is correct
60	Correct	324 ms	526712 KB	Output is correct
61	Correct	386 ms	526712 KB	Output is correct
62	Correct	328 ms	526712 KB	Output is correct
63	Correct	391 ms	526712 KB	Output is correct
64	Correct	327 ms	526712 KB	Output is correct
65	Correct	365 ms	526712 KB	Output is correct
66	Correct	360 ms	526712 KB	Output is correct
67	Correct	354 ms	526712 KB	Output is correct
68	Correct	341 ms	526712 KB	Output is correct
69	Correct	372 ms	526712 KB	Output is correct
70	Correct	371 ms	526956 KB	Output is correct
71	Correct	360 ms	526712 KB	Output is correct
72	Correct	376 ms	526988 KB	Output is correct
73	Correct	329 ms	526780 KB	Output is correct
74	Correct	357 ms	526712 KB	Output is correct
75	Correct	352 ms	526712 KB	Output is correct
76	Correct	356 ms	526712 KB	Output is correct
77	Correct	367 ms	526712 KB	Output is correct
78	Correct	338 ms	526712 KB	Output is correct
79	Correct	343 ms	526712 KB	Output is correct
80	Correct	356 ms	526712 KB	Output is correct
81	Correct	335 ms	526840 KB	Output is correct
82	Correct	336 ms	526712 KB	Output is correct
83	Correct	381 ms	526792 KB	Output is correct
84	Correct	350 ms	526720 KB	Output is correct
85	Correct	336 ms	526984 KB	Output is correct
86	Correct	365 ms	526712 KB	Output is correct
87	Correct	367 ms	526968 KB	Output is correct
88	Correct	394 ms	526712 KB	Output is correct
89	Correct	398 ms	526968 KB	Output is correct
90	Correct	341 ms	526712 KB	Output is correct
91	Correct	398 ms	526840 KB	Output is correct
92	Correct	408 ms	526840 KB	Output is correct
93	Correct	381 ms	526840 KB	Output is correct

답안 #222554

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 75.0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
75.0 / 75.0