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답안 #289203

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
289203 2020-09-02T13:01:53 Z Saboon Shortcut (IOI16_shortcut) C++17
0 / 100
 12 ms 512 KB 
#include "shortcut.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn = 1e6 + 10;
const ll inf = 1e18;
ll dp[maxn], pd[maxn], ap[maxn], ad[maxn];
ll ans[maxn], opt[maxn], tmp[maxn];
vector<int> l, d;
int c;

ll get(int L, int R){
	ll ret = max(ap[L],ad[R]);
	ll Cycle = c;
	for (int i = L; i < R; i++)
		Cycle += l[i];
	for (int i = L; i <= R; i++)
		tmp[i] = d[i];
	tmp[L] = dp[L], tmp[R] = pd[R];
	for (int i = L; i <= R; i++){
		ll now = 0;
		for (int j = i+1; j <= R; j++){
			now += l[j-1];
			ret = max(ret, min(now+tmp[i]+tmp[j],Cycle-now+tmp[i]+tmp[j]));
		}
	}
	return ret;
}

ll find_shortcut(int n, vector<int> l, vector<int> d, int c){
	::l = l, ::d = d, ::c = c;
	dp[0] = ap[0] = d[0];
	for (int i = 1; i < n; i++){
		ap[i] = max(ap[i-1], dp[i-1]+l[i-1]+d[i]);
		dp[i] = max(1LL*d[i], dp[i-1]+l[i-1]);
	}
	pd[n-1] = ad[n-1] = d[n-1];
	for (int i = n-2; i >= 0; i--){
		ad[i] = max(ad[i+1], pd[i+1]+l[i]+d[i]);
		pd[i] = max(1LL*d[i], pd[i+1]+l[i]);
	}
	ll answer = inf;
	for (int i = 0; i < n; i++){
		opt[i] = -1, ans[i] = inf;
		for (int j = i+1; j < n; j++){
			ll x = get(i,j);
			if (x < ans[i])
				ans[i] = x, opt[i] = j;
		}
		answer = min(answer, ans[i]);
	}
	int cnt = 0;
	for (int i = 0; i < n-2; i++)
		cnt += (opt[i] > opt[i+1]);
	assert(cnt <= 1);
	return answer;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB n = 4, 80 is a correct answer
2 Correct 0 ms 384 KB n = 9, 110 is a correct answer
3 Correct 0 ms 384 KB n = 4, 21 is a correct answer
4 Correct 1 ms 384 KB n = 3, 4 is a correct answer
5 Correct 0 ms 384 KB n = 2, 62 is a correct answer
6 Correct 1 ms 384 KB n = 2, 3 is a correct answer
7 Correct 1 ms 384 KB n = 3, 29 is a correct answer
8 Correct 0 ms 384 KB n = 2, 3 is a correct answer
9 Correct 0 ms 384 KB n = 2, 3 is a correct answer
10 Correct 1 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 0 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 0 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 0 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 384 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 384 KB n = 10, 7000000000 is a correct answer
20 Correct 0 ms 384 KB n = 5, 12 is a correct answer
21 Correct 1 ms 384 KB n = 5, 25 is a correct answer
22 Correct 0 ms 384 KB n = 2, 122 is a correct answer
23 Correct 1 ms 384 KB n = 10, 117 is a correct answer
24 Correct 0 ms 384 KB n = 10, 336 is a correct answer
25 Correct 0 ms 384 KB n = 10, 438 is a correct answer
26 Correct 0 ms 384 KB n = 10, 206 is a correct answer
27 Correct 1 ms 416 KB n = 10, 636 is a correct answer
28 Correct 1 ms 384 KB n = 4, 2399 is a correct answer
29 Correct 1 ms 384 KB n = 10, 10992 is a correct answer
30 Correct 0 ms 384 KB n = 10, 3112 is a correct answer
31 Runtime error 12 ms 512 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -