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Submission #222554

# Submission time Handle Problem Language Result Execution time Memory
222554 2020-04-13T10:23:50 Z astoria Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 408 ms 527008 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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