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답안 #239458

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
239458 2020-06-15T17:49:01 Z Jatana 전선 연결 (IOI17_wiring) C++17
100 / 100
 122 ms 15720 KB 
#include "wiring.h"
#include <algorithm>
#include <queue>
#include <map>

#define le(v) ((int)v.size())

#define x first
#define y second

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

ll min_total_length(vector<int> r, vector<int> b) {
	vector<int> pos[2];
	pos[0] = r;
	pos[1] = b;
	vector<pii> v;
	for (int x : r) {
		v.emplace_back(x, 0);
	}
	for (int x : b) {
		v.emplace_back(x, 1);
	}
	sort(v.begin(), v.end());
	vector<ll> dp(le(v), 1e18);
	map<int, int> mem;
	mem[0] = -1;
	int pr = 0;
	vector<ll> sum[2];
	sum[0].resize(le(v));
	sum[1].resize(le(v));
	for (int i = 0; i < le(v); i++) {
		if (i > 0) {
			sum[0][i] = sum[0][i - 1];
			sum[1][i] = sum[1][i - 1];
		}
		sum[v[i].y][i] += v[i].x;
		if (v[i].y == 1) pr++;
		else pr--;
		int op = 1 - v[i].y;
		int ind = lower_bound(pos[op].begin(), pos[op].end(), v[i].x) - pos[op].begin();
		ll close = 1e18;
		for (int d : {ind, ind - 1}) {
			if (0 <= d && d < le(pos[op])) {
				close = min(close, (ll)abs(pos[op][d] - v[i].x));
			}
		}
		dp[i] = (i == 0 ? 0 : dp[i - 1]) + close;
		if (mem.count(pr)) {
			int l = mem[pr] + 1;
			ll offset = sum[v[i].y][i] - ((l - 1) >= 0 ? sum[v[i].y][l - 1] : 0);
			offset -= sum[1 - v[i].y][i] - ((l - 1) >= 0 ? sum[1 - v[i].y][l - 1] : 0);
			// for (int j = l; j <= i; j++) {
			// 	if (v[j].y == v[i].y) {
			// 		offset += v[j].x;
			// 	} else offset -= v[j].x;
			// }
			dp[i] = min(dp[i], offset + ((l - 1 >= 0) ? dp[l - 1] : 0));
		}
		mem[pr] = i;
	}
	return dp.back();
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 432 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 256 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 88 ms 11496 KB Output is correct
4 Correct 95 ms 12904 KB Output is correct
5 Correct 82 ms 12968 KB Output is correct
6 Correct 114 ms 15720 KB Output is correct
7 Correct 108 ms 15592 KB Output is correct
8 Correct 114 ms 15592 KB Output is correct
9 Correct 110 ms 15592 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 92 ms 9032 KB Output is correct
4 Correct 74 ms 9064 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 88 ms 9064 KB Output is correct
19 Correct 86 ms 9068 KB Output is correct
20 Correct 76 ms 9064 KB Output is correct
21 Correct 86 ms 9064 KB Output is correct
22 Correct 87 ms 9064 KB Output is correct
23 Correct 88 ms 9064 KB Output is correct
24 Correct 88 ms 9064 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 99 ms 10472 KB Output is correct
3 Correct 84 ms 10344 KB Output is correct
4 Correct 93 ms 10728 KB Output is correct
5 Correct 84 ms 10344 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 6 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 106 ms 12136 KB Output is correct
19 Correct 81 ms 10344 KB Output is correct
20 Correct 88 ms 10728 KB Output is correct
21 Correct 88 ms 11368 KB Output is correct
22 Correct 103 ms 14056 KB Output is correct
23 Correct 104 ms 14312 KB Output is correct
24 Correct 96 ms 13544 KB Output is correct

Subtask #5
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 432 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 256 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 88 ms 11496 KB Output is correct
20 Correct 95 ms 12904 KB Output is correct
21 Correct 82 ms 12968 KB Output is correct
22 Correct 114 ms 15720 KB Output is correct
23 Correct 108 ms 15592 KB Output is correct
24 Correct 114 ms 15592 KB Output is correct
25 Correct 110 ms 15592 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 92 ms 9032 KB Output is correct
29 Correct 74 ms 9064 KB Output is correct
30 Correct 4 ms 256 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 4 ms 256 KB Output is correct
33 Correct 4 ms 256 KB Output is correct
34 Correct 4 ms 256 KB Output is correct
35 Correct 4 ms 256 KB Output is correct
36 Correct 4 ms 256 KB Output is correct
37 Correct 4 ms 256 KB Output is correct
38 Correct 4 ms 256 KB Output is correct
39 Correct 4 ms 256 KB Output is correct
40 Correct 4 ms 384 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 4 ms 256 KB Output is correct
43 Correct 88 ms 9064 KB Output is correct
44 Correct 86 ms 9068 KB Output is correct
45 Correct 76 ms 9064 KB Output is correct
46 Correct 86 ms 9064 KB Output is correct
47 Correct 87 ms 9064 KB Output is correct
48 Correct 88 ms 9064 KB Output is correct
49 Correct 88 ms 9064 KB Output is correct
50 Correct 5 ms 256 KB Output is correct
51 Correct 99 ms 10472 KB Output is correct
52 Correct 84 ms 10344 KB Output is correct
53 Correct 93 ms 10728 KB Output is correct
54 Correct 84 ms 10344 KB Output is correct
55 Correct 4 ms 384 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 6 ms 256 KB Output is correct
58 Correct 4 ms 256 KB Output is correct
59 Correct 4 ms 256 KB Output is correct
60 Correct 4 ms 256 KB Output is correct
61 Correct 4 ms 384 KB Output is correct
62 Correct 4 ms 384 KB Output is correct
63 Correct 4 ms 384 KB Output is correct
64 Correct 5 ms 384 KB Output is correct
65 Correct 5 ms 256 KB Output is correct
66 Correct 5 ms 384 KB Output is correct
67 Correct 106 ms 12136 KB Output is correct
68 Correct 81 ms 10344 KB Output is correct
69 Correct 88 ms 10728 KB Output is correct
70 Correct 88 ms 11368 KB Output is correct
71 Correct 103 ms 14056 KB Output is correct
72 Correct 104 ms 14312 KB Output is correct
73 Correct 96 ms 13544 KB Output is correct
74 Correct 112 ms 14952 KB Output is correct
75 Correct 112 ms 14116 KB Output is correct
76 Correct 122 ms 14184 KB Output is correct
77 Correct 101 ms 13288 KB Output is correct
78 Correct 106 ms 13672 KB Output is correct
79 Correct 108 ms 13544 KB Output is correct
80 Correct 101 ms 13928 KB Output is correct
81 Correct 112 ms 14568 KB Output is correct
82 Correct 104 ms 14696 KB Output is correct
83 Correct 102 ms 14440 KB Output is correct
84 Correct 113 ms 15336 KB Output is correct
85 Correct 115 ms 14440 KB Output is correct
86 Correct 105 ms 14184 KB Output is correct
87 Correct 109 ms 14312 KB Output is correct
88 Correct 103 ms 13928 KB Output is correct
89 Correct 102 ms 13800 KB Output is correct
90 Correct 117 ms 13800 KB Output is correct
91 Correct 107 ms 14952 KB Output is correct
92 Correct 114 ms 14184 KB Output is correct
93 Correct 108 ms 14184 KB Output is correct
94 Correct 110 ms 14696 KB Output is correct
95 Correct 106 ms 13416 KB Output is correct
96 Correct 108 ms 14568 KB Output is correct
97 Correct 109 ms 15464 KB Output is correct
98 Correct 108 ms 14952 KB Output is correct
99 Correct 109 ms 14952 KB Output is correct
100 Correct 107 ms 14056 KB Output is correct
101 Correct 111 ms 14820 KB Output is correct
102 Correct 114 ms 14184 KB Output is correct