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Submission #407107

# Submission time Handle Problem Language Result Execution time Memory
407107 2021-05-18T13:28:50 Z 8e7 Wiring (IOI17_wiring) C++14
100 / 100
 80 ms 8992 KB 
#include "wiring.h"

//Challenge: Accepted
#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>
#include <queue>
#define ll long long
#define maxn 200005
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
using namespace std;
ll ab(ll x) {
	return x > 0 ? x : -x;
}
int col[maxn];
const ll inf = 1<<30;
priority_queue<ll, vector<ll>, greater<ll> > pq[2];
long long min_total_length(std::vector<int> r, std::vector<int> b) {
	int n = r.size(), m = b.size();
	vector<ll> a;
	int ind = 0, cnt = 0;
	for (int i = 0;i <n;i++) {
		while (ind < m && b[ind] < r[i]) a.push_back(b[ind++]), col[cnt++] = 1;
		a.push_back(r[i]), col[cnt++] = 0;
	}
	while (ind < m) a.push_back(b[ind++]), col[cnt++] = 1;
	ll na = -inf, nb = -inf, ans = 0;
	for (int i = 0;i < n + m;i++) {
		int num = 0;
		while (pq[col[i]].size() && a[i] + pq[col[i]].top() <= 0) {
			ans += a[i] + pq[col[i]].top();
			num++;
			pq[col[i]].pop();
		}	
		if (!num) {
			ll v1 = pq[col[i]].size() ? a[i] + pq[col[i]].top() : 1LL<<45, v2 = a[i] - (col[i] ? na : nb);
			if (v1 < v2) {
				ans += v1;
				pq[col[i]].pop();
				pq[col[i] ^ 1].push(-v1 - a[i]);
			} else {
				ans += v2;
				pq[col[i] ^ 1].push(-v2 - a[i]);
			}
		} else {
			for (int h = 0;h < num - 1;h++){
				pq[col[i]].push(-a[i]);
			}
		}
		if (col[i] == 0) na = a[i];
		else nb = a[i];
	}	
	return ans;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 240 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 39 ms 4984 KB Output is correct
4 Correct 37 ms 4916 KB Output is correct
5 Correct 35 ms 5356 KB Output is correct
6 Correct 68 ms 6708 KB Output is correct
7 Correct 49 ms 6700 KB Output is correct
8 Correct 49 ms 6708 KB Output is correct
9 Correct 51 ms 6700 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 48 ms 6948 KB Output is correct
4 Correct 80 ms 6560 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 48 ms 6808 KB Output is correct
19 Correct 63 ms 6964 KB Output is correct
20 Correct 48 ms 6964 KB Output is correct
21 Correct 47 ms 6940 KB Output is correct
22 Correct 66 ms 6804 KB Output is correct
23 Correct 48 ms 6836 KB Output is correct
24 Correct 47 ms 6832 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 46 ms 7072 KB Output is correct
3 Correct 47 ms 6856 KB Output is correct
4 Correct 47 ms 6676 KB Output is correct
5 Correct 49 ms 6884 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 47 ms 6760 KB Output is correct
19 Correct 47 ms 6940 KB Output is correct
20 Correct 58 ms 6748 KB Output is correct
21 Correct 47 ms 6824 KB Output is correct
22 Correct 54 ms 7468 KB Output is correct
23 Correct 49 ms 7840 KB Output is correct
24 Correct 48 ms 7440 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 240 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 39 ms 4984 KB Output is correct
20 Correct 37 ms 4916 KB Output is correct
21 Correct 35 ms 5356 KB Output is correct
22 Correct 68 ms 6708 KB Output is correct
23 Correct 49 ms 6700 KB Output is correct
24 Correct 49 ms 6708 KB Output is correct
25 Correct 51 ms 6700 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 48 ms 6948 KB Output is correct
29 Correct 80 ms 6560 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 308 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 48 ms 6808 KB Output is correct
44 Correct 63 ms 6964 KB Output is correct
45 Correct 48 ms 6964 KB Output is correct
46 Correct 47 ms 6940 KB Output is correct
47 Correct 66 ms 6804 KB Output is correct
48 Correct 48 ms 6836 KB Output is correct
49 Correct 47 ms 6832 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 46 ms 7072 KB Output is correct
52 Correct 47 ms 6856 KB Output is correct
53 Correct 47 ms 6676 KB Output is correct
54 Correct 49 ms 6884 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 1 ms 300 KB Output is correct
64 Correct 1 ms 204 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 1 ms 204 KB Output is correct
67 Correct 47 ms 6760 KB Output is correct
68 Correct 47 ms 6940 KB Output is correct
69 Correct 58 ms 6748 KB Output is correct
70 Correct 47 ms 6824 KB Output is correct
71 Correct 54 ms 7468 KB Output is correct
72 Correct 49 ms 7840 KB Output is correct
73 Correct 48 ms 7440 KB Output is correct
74 Correct 66 ms 8540 KB Output is correct
75 Correct 48 ms 7976 KB Output is correct
76 Correct 52 ms 8352 KB Output is correct
77 Correct 49 ms 7840 KB Output is correct
78 Correct 50 ms 7660 KB Output is correct
79 Correct 47 ms 7644 KB Output is correct
80 Correct 49 ms 7716 KB Output is correct
81 Correct 52 ms 8032 KB Output is correct
82 Correct 50 ms 8064 KB Output is correct
83 Correct 54 ms 8100 KB Output is correct
84 Correct 53 ms 8560 KB Output is correct
85 Correct 57 ms 8304 KB Output is correct
86 Correct 53 ms 8244 KB Output is correct
87 Correct 54 ms 8228 KB Output is correct
88 Correct 59 ms 7556 KB Output is correct
89 Correct 59 ms 8220 KB Output is correct
90 Correct 52 ms 8220 KB Output is correct
91 Correct 59 ms 8480 KB Output is correct
92 Correct 54 ms 8220 KB Output is correct
93 Correct 53 ms 8244 KB Output is correct
94 Correct 53 ms 8992 KB Output is correct
95 Correct 56 ms 7696 KB Output is correct
96 Correct 56 ms 8368 KB Output is correct
97 Correct 60 ms 8480 KB Output is correct
98 Correct 56 ms 8352 KB Output is correct
99 Correct 53 ms 8348 KB Output is correct
100 Correct 50 ms 8344 KB Output is correct
101 Correct 59 ms 8396 KB Output is correct
102 Correct 54 ms 8340 KB Output is correct