답안 #577184

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
577184 2022-06-14T08:36:31 Z amunduzbaev Tortoise (CEOI21_tortoise) C++17
73 / 100
3000 ms 291576 KB
#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;
//~ #define int int64_t

const int N = 5005;
const int inf = 1e9;
int dp[N][N], old[N][N], a[N];
int l[N], r[N], back[N][N];

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n; cin>>n;
	for(int i=0;i<n;i++){
		l[i] = n;
		cin>>a[i];
		if(a[i] == -1) l[i] = 0;
		else if(i) l[i] = l[i-1] + 1;
	}
	for(int i=n-1;~i;i--){
		r[i] = n;
		if(a[i] == -1) r[i] = 0;
		else if(i + 1 < n) r[i] = r[i+1] + 1;
	}
	
	memset(dp, 63, sizeof dp);
	memset(back, 63, sizeof back);
	dp[0][0] = 0;
	int res = 0;
	for(int i=0;i<=n;i++){
		multiset<int> ss;
		for(int x=0;x<=n;x++){
			if(i + r[i] < N) dp[i][x] = min(dp[i][x], back[i + r[i]][x] + r[i]);
			if(a[i] > 0){
				old[i][x] = dp[i][x] - x * 2 * min(l[i], r[i]);
				if(x){
					int tmp = inf;
					if(*ss.begin() + (x - 1) * 2 * min(l[i], r[i]) <= 2 * i){
						dp[i][x] = min(dp[i][x], *ss.begin() + x * 2 * min(l[i], r[i]));
						tmp = *ss.begin() + (x - 1) * 2 * min(l[i], r[i]);
					}
					if(tmp < inf){
						res = max(res, x);
					}
					if(i + r[i] < N){
						back[i + r[i]][x] = min(back[i + r[i]][x], tmp + r[i]);
					}
				}
				ss.insert(old[i][x]);
				if(x >= a[i]){
					ss.erase(ss.find(old[i][x - a[i]]));
				}
			}
			
			dp[i+1][x] = min(dp[i+1][x], dp[i][x] + 1);
			if(dp[i][x] < inf){
				res = max(res, x);
			}
		}
	}
	
	int tot = 0;
	for(int i=0;i<n;i++){
		if(~a[i]) tot += a[i];
	}
	
	cout<<tot - res<<"\n";
}

/*

7
4 2 0 2 5 2 -1 

*/
# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 196324 KB Output is correct
2 Correct 73 ms 196332 KB Output is correct
3 Correct 74 ms 196388 KB Output is correct
4 Correct 71 ms 196436 KB Output is correct
5 Correct 71 ms 196396 KB Output is correct
6 Correct 71 ms 196380 KB Output is correct
7 Correct 73 ms 196340 KB Output is correct
8 Correct 72 ms 196364 KB Output is correct
9 Correct 72 ms 196456 KB Output is correct
10 Correct 70 ms 196344 KB Output is correct
11 Correct 79 ms 196368 KB Output is correct
12 Correct 71 ms 196380 KB Output is correct
13 Correct 71 ms 196300 KB Output is correct
14 Correct 76 ms 196308 KB Output is correct
15 Correct 71 ms 196344 KB Output is correct
16 Correct 70 ms 196380 KB Output is correct
17 Correct 71 ms 196396 KB Output is correct
18 Correct 71 ms 196332 KB Output is correct
19 Correct 73 ms 196428 KB Output is correct
20 Correct 74 ms 196428 KB Output is correct
21 Correct 73 ms 196336 KB Output is correct
22 Correct 71 ms 196296 KB Output is correct
23 Correct 70 ms 196380 KB Output is correct
24 Correct 70 ms 196424 KB Output is correct
25 Correct 70 ms 196356 KB Output is correct
26 Correct 69 ms 196376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 196324 KB Output is correct
2 Correct 73 ms 196332 KB Output is correct
3 Correct 74 ms 196388 KB Output is correct
4 Correct 71 ms 196436 KB Output is correct
5 Correct 71 ms 196396 KB Output is correct
6 Correct 71 ms 196380 KB Output is correct
7 Correct 73 ms 196340 KB Output is correct
8 Correct 72 ms 196364 KB Output is correct
9 Correct 72 ms 196456 KB Output is correct
10 Correct 70 ms 196344 KB Output is correct
11 Correct 79 ms 196368 KB Output is correct
12 Correct 71 ms 196380 KB Output is correct
13 Correct 71 ms 196300 KB Output is correct
14 Correct 76 ms 196308 KB Output is correct
15 Correct 71 ms 196344 KB Output is correct
16 Correct 70 ms 196380 KB Output is correct
17 Correct 71 ms 196396 KB Output is correct
18 Correct 71 ms 196332 KB Output is correct
19 Correct 73 ms 196428 KB Output is correct
20 Correct 74 ms 196428 KB Output is correct
21 Correct 73 ms 196336 KB Output is correct
22 Correct 71 ms 196296 KB Output is correct
23 Correct 70 ms 196380 KB Output is correct
24 Correct 70 ms 196424 KB Output is correct
25 Correct 70 ms 196356 KB Output is correct
26 Correct 69 ms 196376 KB Output is correct
27 Correct 80 ms 196884 KB Output is correct
28 Correct 74 ms 197148 KB Output is correct
29 Correct 71 ms 196952 KB Output is correct
30 Correct 73 ms 196836 KB Output is correct
31 Correct 76 ms 196820 KB Output is correct
32 Correct 72 ms 196752 KB Output is correct
33 Correct 72 ms 196984 KB Output is correct
34 Correct 72 ms 196940 KB Output is correct
35 Correct 71 ms 196808 KB Output is correct
36 Correct 73 ms 196736 KB Output is correct
37 Correct 74 ms 196920 KB Output is correct
38 Correct 73 ms 196872 KB Output is correct
39 Correct 74 ms 196944 KB Output is correct
40 Correct 72 ms 196812 KB Output is correct
41 Correct 72 ms 196748 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 196324 KB Output is correct
2 Correct 73 ms 196332 KB Output is correct
3 Correct 74 ms 196388 KB Output is correct
4 Correct 71 ms 196436 KB Output is correct
5 Correct 71 ms 196396 KB Output is correct
6 Correct 71 ms 196380 KB Output is correct
7 Correct 73 ms 196340 KB Output is correct
8 Correct 72 ms 196364 KB Output is correct
9 Correct 72 ms 196456 KB Output is correct
10 Correct 70 ms 196344 KB Output is correct
11 Correct 79 ms 196368 KB Output is correct
12 Correct 71 ms 196380 KB Output is correct
13 Correct 71 ms 196300 KB Output is correct
14 Correct 76 ms 196308 KB Output is correct
15 Correct 71 ms 196344 KB Output is correct
16 Correct 70 ms 196380 KB Output is correct
17 Correct 71 ms 196396 KB Output is correct
18 Correct 71 ms 196332 KB Output is correct
19 Correct 73 ms 196428 KB Output is correct
20 Correct 74 ms 196428 KB Output is correct
21 Correct 73 ms 196336 KB Output is correct
22 Correct 71 ms 196296 KB Output is correct
23 Correct 70 ms 196380 KB Output is correct
24 Correct 70 ms 196424 KB Output is correct
25 Correct 70 ms 196356 KB Output is correct
26 Correct 69 ms 196376 KB Output is correct
27 Correct 80 ms 196884 KB Output is correct
28 Correct 74 ms 197148 KB Output is correct
29 Correct 71 ms 196952 KB Output is correct
30 Correct 73 ms 196836 KB Output is correct
31 Correct 76 ms 196820 KB Output is correct
32 Correct 72 ms 196752 KB Output is correct
33 Correct 72 ms 196984 KB Output is correct
34 Correct 72 ms 196940 KB Output is correct
35 Correct 71 ms 196808 KB Output is correct
36 Correct 73 ms 196736 KB Output is correct
37 Correct 74 ms 196920 KB Output is correct
38 Correct 73 ms 196872 KB Output is correct
39 Correct 74 ms 196944 KB Output is correct
40 Correct 72 ms 196812 KB Output is correct
41 Correct 72 ms 196748 KB Output is correct
42 Correct 73 ms 196472 KB Output is correct
43 Correct 73 ms 196608 KB Output is correct
44 Correct 72 ms 196700 KB Output is correct
45 Correct 74 ms 196744 KB Output is correct
46 Correct 71 ms 196552 KB Output is correct
47 Correct 72 ms 196872 KB Output is correct
48 Correct 77 ms 196936 KB Output is correct
49 Correct 73 ms 196788 KB Output is correct
50 Correct 78 ms 197476 KB Output is correct
51 Correct 84 ms 197568 KB Output is correct
52 Correct 76 ms 197172 KB Output is correct
53 Correct 76 ms 197804 KB Output is correct
54 Correct 91 ms 197600 KB Output is correct
55 Correct 77 ms 197636 KB Output is correct
56 Correct 77 ms 196528 KB Output is correct
57 Correct 72 ms 197036 KB Output is correct
58 Correct 72 ms 197196 KB Output is correct
59 Correct 74 ms 197072 KB Output is correct
60 Correct 75 ms 197528 KB Output is correct
61 Correct 79 ms 197028 KB Output is correct
62 Correct 74 ms 197248 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 196324 KB Output is correct
2 Correct 73 ms 196332 KB Output is correct
3 Correct 74 ms 196388 KB Output is correct
4 Correct 71 ms 196436 KB Output is correct
5 Correct 71 ms 196396 KB Output is correct
6 Correct 71 ms 196380 KB Output is correct
7 Correct 73 ms 196340 KB Output is correct
8 Correct 72 ms 196364 KB Output is correct
9 Correct 72 ms 196456 KB Output is correct
10 Correct 70 ms 196344 KB Output is correct
11 Correct 79 ms 196368 KB Output is correct
12 Correct 71 ms 196380 KB Output is correct
13 Correct 71 ms 196300 KB Output is correct
14 Correct 76 ms 196308 KB Output is correct
15 Correct 71 ms 196344 KB Output is correct
16 Correct 70 ms 196380 KB Output is correct
17 Correct 71 ms 196396 KB Output is correct
18 Correct 71 ms 196332 KB Output is correct
19 Correct 73 ms 196428 KB Output is correct
20 Correct 74 ms 196428 KB Output is correct
21 Correct 73 ms 196336 KB Output is correct
22 Correct 71 ms 196296 KB Output is correct
23 Correct 70 ms 196380 KB Output is correct
24 Correct 70 ms 196424 KB Output is correct
25 Correct 70 ms 196356 KB Output is correct
26 Correct 69 ms 196376 KB Output is correct
27 Correct 80 ms 196884 KB Output is correct
28 Correct 74 ms 197148 KB Output is correct
29 Correct 71 ms 196952 KB Output is correct
30 Correct 73 ms 196836 KB Output is correct
31 Correct 76 ms 196820 KB Output is correct
32 Correct 72 ms 196752 KB Output is correct
33 Correct 72 ms 196984 KB Output is correct
34 Correct 72 ms 196940 KB Output is correct
35 Correct 71 ms 196808 KB Output is correct
36 Correct 73 ms 196736 KB Output is correct
37 Correct 74 ms 196920 KB Output is correct
38 Correct 73 ms 196872 KB Output is correct
39 Correct 74 ms 196944 KB Output is correct
40 Correct 72 ms 196812 KB Output is correct
41 Correct 72 ms 196748 KB Output is correct
42 Correct 73 ms 196472 KB Output is correct
43 Correct 73 ms 196608 KB Output is correct
44 Correct 72 ms 196700 KB Output is correct
45 Correct 74 ms 196744 KB Output is correct
46 Correct 71 ms 196552 KB Output is correct
47 Correct 72 ms 196872 KB Output is correct
48 Correct 77 ms 196936 KB Output is correct
49 Correct 73 ms 196788 KB Output is correct
50 Correct 78 ms 197476 KB Output is correct
51 Correct 84 ms 197568 KB Output is correct
52 Correct 76 ms 197172 KB Output is correct
53 Correct 76 ms 197804 KB Output is correct
54 Correct 91 ms 197600 KB Output is correct
55 Correct 77 ms 197636 KB Output is correct
56 Correct 77 ms 196528 KB Output is correct
57 Correct 72 ms 197036 KB Output is correct
58 Correct 72 ms 197196 KB Output is correct
59 Correct 74 ms 197072 KB Output is correct
60 Correct 75 ms 197528 KB Output is correct
61 Correct 79 ms 197028 KB Output is correct
62 Correct 74 ms 197248 KB Output is correct
63 Correct 408 ms 228812 KB Output is correct
64 Correct 796 ms 256628 KB Output is correct
65 Correct 448 ms 228844 KB Output is correct
66 Correct 550 ms 239376 KB Output is correct
67 Correct 565 ms 241724 KB Output is correct
68 Correct 483 ms 231988 KB Output is correct
69 Correct 560 ms 239344 KB Output is correct
70 Correct 636 ms 246464 KB Output is correct
71 Correct 2311 ms 286528 KB Output is correct
72 Correct 2160 ms 288672 KB Output is correct
73 Correct 2163 ms 291576 KB Output is correct
74 Correct 2309 ms 287480 KB Output is correct
75 Correct 162 ms 197160 KB Output is correct
76 Correct 842 ms 258160 KB Output is correct
77 Correct 778 ms 259356 KB Output is correct
78 Correct 799 ms 260816 KB Output is correct
79 Correct 787 ms 259432 KB Output is correct
80 Correct 659 ms 250240 KB Output is correct
81 Correct 692 ms 252348 KB Output is correct
82 Correct 735 ms 255460 KB Output is correct
83 Correct 900 ms 267284 KB Output is correct
84 Correct 1249 ms 252368 KB Output is correct
85 Correct 1331 ms 255564 KB Output is correct
86 Correct 1464 ms 261044 KB Output is correct
87 Correct 1647 ms 267316 KB Output is correct
88 Correct 1209 ms 250576 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 196324 KB Output is correct
2 Correct 73 ms 196332 KB Output is correct
3 Correct 74 ms 196388 KB Output is correct
4 Correct 71 ms 196436 KB Output is correct
5 Correct 71 ms 196396 KB Output is correct
6 Correct 71 ms 196380 KB Output is correct
7 Correct 73 ms 196340 KB Output is correct
8 Correct 72 ms 196364 KB Output is correct
9 Correct 72 ms 196456 KB Output is correct
10 Correct 70 ms 196344 KB Output is correct
11 Correct 79 ms 196368 KB Output is correct
12 Correct 71 ms 196380 KB Output is correct
13 Correct 71 ms 196300 KB Output is correct
14 Correct 76 ms 196308 KB Output is correct
15 Correct 71 ms 196344 KB Output is correct
16 Correct 70 ms 196380 KB Output is correct
17 Correct 71 ms 196396 KB Output is correct
18 Correct 71 ms 196332 KB Output is correct
19 Correct 73 ms 196428 KB Output is correct
20 Correct 74 ms 196428 KB Output is correct
21 Correct 73 ms 196336 KB Output is correct
22 Correct 71 ms 196296 KB Output is correct
23 Correct 70 ms 196380 KB Output is correct
24 Correct 70 ms 196424 KB Output is correct
25 Correct 70 ms 196356 KB Output is correct
26 Correct 69 ms 196376 KB Output is correct
27 Correct 80 ms 196884 KB Output is correct
28 Correct 74 ms 197148 KB Output is correct
29 Correct 71 ms 196952 KB Output is correct
30 Correct 73 ms 196836 KB Output is correct
31 Correct 76 ms 196820 KB Output is correct
32 Correct 72 ms 196752 KB Output is correct
33 Correct 72 ms 196984 KB Output is correct
34 Correct 72 ms 196940 KB Output is correct
35 Correct 71 ms 196808 KB Output is correct
36 Correct 73 ms 196736 KB Output is correct
37 Correct 74 ms 196920 KB Output is correct
38 Correct 73 ms 196872 KB Output is correct
39 Correct 74 ms 196944 KB Output is correct
40 Correct 72 ms 196812 KB Output is correct
41 Correct 72 ms 196748 KB Output is correct
42 Correct 73 ms 196472 KB Output is correct
43 Correct 73 ms 196608 KB Output is correct
44 Correct 72 ms 196700 KB Output is correct
45 Correct 74 ms 196744 KB Output is correct
46 Correct 71 ms 196552 KB Output is correct
47 Correct 72 ms 196872 KB Output is correct
48 Correct 77 ms 196936 KB Output is correct
49 Correct 73 ms 196788 KB Output is correct
50 Correct 78 ms 197476 KB Output is correct
51 Correct 84 ms 197568 KB Output is correct
52 Correct 76 ms 197172 KB Output is correct
53 Correct 76 ms 197804 KB Output is correct
54 Correct 91 ms 197600 KB Output is correct
55 Correct 77 ms 197636 KB Output is correct
56 Correct 77 ms 196528 KB Output is correct
57 Correct 72 ms 197036 KB Output is correct
58 Correct 72 ms 197196 KB Output is correct
59 Correct 74 ms 197072 KB Output is correct
60 Correct 75 ms 197528 KB Output is correct
61 Correct 79 ms 197028 KB Output is correct
62 Correct 74 ms 197248 KB Output is correct
63 Correct 408 ms 228812 KB Output is correct
64 Correct 796 ms 256628 KB Output is correct
65 Correct 448 ms 228844 KB Output is correct
66 Correct 550 ms 239376 KB Output is correct
67 Correct 565 ms 241724 KB Output is correct
68 Correct 483 ms 231988 KB Output is correct
69 Correct 560 ms 239344 KB Output is correct
70 Correct 636 ms 246464 KB Output is correct
71 Correct 2311 ms 286528 KB Output is correct
72 Correct 2160 ms 288672 KB Output is correct
73 Correct 2163 ms 291576 KB Output is correct
74 Correct 2309 ms 287480 KB Output is correct
75 Correct 162 ms 197160 KB Output is correct
76 Correct 842 ms 258160 KB Output is correct
77 Correct 778 ms 259356 KB Output is correct
78 Correct 799 ms 260816 KB Output is correct
79 Correct 787 ms 259432 KB Output is correct
80 Correct 659 ms 250240 KB Output is correct
81 Correct 692 ms 252348 KB Output is correct
82 Correct 735 ms 255460 KB Output is correct
83 Correct 900 ms 267284 KB Output is correct
84 Correct 1249 ms 252368 KB Output is correct
85 Correct 1331 ms 255564 KB Output is correct
86 Correct 1464 ms 261044 KB Output is correct
87 Correct 1647 ms 267316 KB Output is correct
88 Correct 1209 ms 250576 KB Output is correct
89 Execution timed out 3062 ms 222796 KB Time limit exceeded
90 Halted 0 ms 0 KB -