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답안 #766708

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
766708 2023-06-26T05:05:07 Z SanguineChameleon 전선 연결 (IOI17_wiring) C++17
100 / 100
 31 ms 10068 KB 
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;

const long long inf = 1e18L + 20;
const int maxn = 2e5 + 20;
int pos[maxn];
int col[maxn];
long long dp[maxn];
long long pref[maxn];
long long suf[maxn];

long long min_total_length(vector<int> r, vector<int> b) {
	int n = r.size();
	int m = b.size();
	if (r[n - 1] < b[0]) {
		long long res = 0;
		for (int i = 0; i < n; i++) {
			res -= r[i];
		}
		for (int i = 0; i < m; i++) {
			res += b[i];
		}
		if (n > m) {
			res += 1LL * b[0] * (n - m);
		}
		else {
			res -= 1LL * r[n - 1] * (m - n);
		}
		return res;
	}
	n = n + m;
	for (int i = n; i >= 1; i--) {
		if (!r.empty() && (b.empty() || r.back() > b.back())) {
			pos[i] = r.back();
			col[i] = 0;
			r.pop_back();
		}
		else {
			pos[i] = b.back();
			col[i] = 1;
			b.pop_back();
		}
	}
	dp[0] = 0;
	col[0] = -1;
	col[n + 1] = -1;
	for (int i = 1; i <= n; i++) {
		dp[i] = inf;
	}
	for (int i = 2; i <= n; i++) {
		if (col[i] == col[i - 1]) {
			continue;
		}
		int lt = i - 1;
		for (; col[lt] == col[i - 1]; lt--) {
			pref[lt] = pref[lt + 1] - pos[lt] + pos[i];
			suf[lt] = suf[lt + 1] - pos[lt] + pos[i - 1];
		}
		lt++;
		for (int j = lt; j <= i; j++) {
			pref[j] += min(dp[j], dp[j - 1]);
			suf[j] += min(dp[j], dp[j - 1]);
		}
		for (int j = lt + 1; j <= i - 1; j++) {
			pref[j] = min(pref[j], pref[j - 1]);
		}
		for (int j = i - 2; j >= lt; j--) {
			suf[j] = min(suf[j], suf[j + 1]);
		}
		int rt = i;
		long long sum = 0;
		for (; col[rt] == col[i]; rt++) {
			sum += pos[rt];
			if (rt - i + 1 < i - lt) {
				dp[rt] = sum + min(suf[i - (rt - i + 1)] - 1LL * pos[i - 1] * (rt - i + 1), pref[i - (rt - i + 1)] - 1LL * pos[i] * (rt - i + 1));
			}
			else {
				dp[rt] = sum + suf[lt] - 1LL * pos[i - 1] * (rt - i + 1);
			}
		}
	}
	return dp[n];
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 13 ms 2448 KB Output is correct
4 Correct 13 ms 2388 KB Output is correct
5 Correct 15 ms 2432 KB Output is correct
6 Correct 17 ms 2792 KB Output is correct
7 Correct 17 ms 2908 KB Output is correct
8 Correct 17 ms 2804 KB Output is correct
9 Correct 16 ms 2788 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 24 ms 9108 KB Output is correct
4 Correct 22 ms 9656 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 26 ms 9956 KB Output is correct
19 Correct 22 ms 9932 KB Output is correct
20 Correct 22 ms 10024 KB Output is correct
21 Correct 22 ms 9932 KB Output is correct
22 Correct 22 ms 10032 KB Output is correct
23 Correct 23 ms 10068 KB Output is correct
24 Correct 29 ms 9940 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 19 ms 9016 KB Output is correct
3 Correct 20 ms 9348 KB Output is correct
4 Correct 20 ms 9276 KB Output is correct
5 Correct 20 ms 9300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 308 KB Output is correct
18 Correct 21 ms 9036 KB Output is correct
19 Correct 20 ms 9304 KB Output is correct
20 Correct 20 ms 9264 KB Output is correct
21 Correct 19 ms 9316 KB Output is correct
22 Correct 19 ms 9076 KB Output is correct
23 Correct 19 ms 8748 KB Output is correct
24 Correct 19 ms 8884 KB Output is correct

Subtask #5
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 13 ms 2448 KB Output is correct
20 Correct 13 ms 2388 KB Output is correct
21 Correct 15 ms 2432 KB Output is correct
22 Correct 17 ms 2792 KB Output is correct
23 Correct 17 ms 2908 KB Output is correct
24 Correct 17 ms 2804 KB Output is correct
25 Correct 16 ms 2788 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 24 ms 9108 KB Output is correct
29 Correct 22 ms 9656 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 312 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 312 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 26 ms 9956 KB Output is correct
44 Correct 22 ms 9932 KB Output is correct
45 Correct 22 ms 10024 KB Output is correct
46 Correct 22 ms 9932 KB Output is correct
47 Correct 22 ms 10032 KB Output is correct
48 Correct 23 ms 10068 KB Output is correct
49 Correct 29 ms 9940 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 19 ms 9016 KB Output is correct
52 Correct 20 ms 9348 KB Output is correct
53 Correct 20 ms 9276 KB Output is correct
54 Correct 20 ms 9300 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 304 KB Output is correct
62 Correct 1 ms 304 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 308 KB Output is correct
67 Correct 21 ms 9036 KB Output is correct
68 Correct 20 ms 9304 KB Output is correct
69 Correct 20 ms 9264 KB Output is correct
70 Correct 19 ms 9316 KB Output is correct
71 Correct 19 ms 9076 KB Output is correct
72 Correct 19 ms 8748 KB Output is correct
73 Correct 19 ms 8884 KB Output is correct
74 Correct 22 ms 9932 KB Output is correct
75 Correct 21 ms 9648 KB Output is correct
76 Correct 23 ms 10040 KB Output is correct
77 Correct 20 ms 9520 KB Output is correct
78 Correct 20 ms 9400 KB Output is correct
79 Correct 20 ms 9392 KB Output is correct
80 Correct 20 ms 9420 KB Output is correct
81 Correct 20 ms 9536 KB Output is correct
82 Correct 19 ms 9384 KB Output is correct
83 Correct 20 ms 8688 KB Output is correct
84 Correct 21 ms 9164 KB Output is correct
85 Correct 22 ms 10036 KB Output is correct
86 Correct 22 ms 9524 KB Output is correct
87 Correct 21 ms 9396 KB Output is correct
88 Correct 23 ms 10040 KB Output is correct
89 Correct 22 ms 9936 KB Output is correct
90 Correct 22 ms 9892 KB Output is correct
91 Correct 22 ms 10032 KB Output is correct
92 Correct 22 ms 10036 KB Output is correct
93 Correct 22 ms 10048 KB Output is correct
94 Correct 27 ms 9908 KB Output is correct
95 Correct 21 ms 9964 KB Output is correct
96 Correct 25 ms 9392 KB Output is correct
97 Correct 23 ms 9904 KB Output is correct
98 Correct 22 ms 9780 KB Output is correct
99 Correct 22 ms 9788 KB Output is correct
100 Correct 22 ms 9932 KB Output is correct
101 Correct 31 ms 10036 KB Output is correct
102 Correct 29 ms 10044 KB Output is correct