oj.uz

Submission #118203

# Submission time Handle Problem Language Result Execution time Memory
118203 2019-06-18T10:50:48 Z PeppaPig Wiring (IOI17_wiring) C++14
100 / 100
 86 ms 17816 KB 
#include "wiring.h"
#include <bits/stdc++.h>

#define pii pair<int, int>
#define x first
#define y second

#define long long long

using namespace std;

const int N = 2e5+5;

void update(long t[], int x, long k) {
	for(t[x += N] = k; x != 1; x >>= 1)
		t[x>>1] = min(t[x], t[x^1]);
}

long query(long t[], int l, int r) {
	long ret = 1e18;
	for(l += N, r += N+1; l < r; l >>= 1, r >>= 1) {
		if(l & 1) ret = min(ret, t[l++]);
		if(r & 1) ret = min(ret, t[--r]);
	}
	return ret;
}

int n;
int sz_l[N], sz_r[N], pre[N], pos[N];
long sum_l[N], sum_r[N];
long dp[N], t1[N<<1], t2[N<<1];
vector<pii> all;

long min_total_length(vector<int> r, vector<int> b) {
	n = r.size() + b.size();

	for(int i : r) all.emplace_back(i, 0);
	for(int i : b) all.emplace_back(i, 1);
	all.emplace_back(-1e9, -1e9), all.emplace_back(1e9, 1e9);
	sort(all.begin(), all.end());

	for(int i = 1; i <= n; i++) {
		if(all[i].y == all[i-1].y) {
			sz_l[i] = sz_l[i-1];
			pre[i] = pre[i-1];
			sum_l[i] = sum_l[i-1];
		} else pre[i] = i;
		sum_l[i] += all[i].x - all[pre[i]].x;
		++sz_l[i];
	}
	for(int i = n; i; i--) {
		if(all[i].y == all[i + 1].y) {
			sz_r[i] = sz_r[i+1];
			pos[i] = pos[i+1];
			sum_r[i] = sum_r[i+1];
		} else pos[i] = i;
		sum_r[i] += all[pos[i]].x - all[i].x;
		++sz_r[i];
	}

	for(int i = 1; i <= n; i++) {
		dp[i] = 1e18;
		if(pre[i] != 1) {
			int l = pre[pre[i] - 1];
			dp[i] = min(dp[i], query(t1, max(l, pre[i] - sz_l[i]), pre[i]-1) + sum_l[i] + 1ll * sz_l[i] * (all[pre[i]].x - all[pre[i]-1].x));
			dp[i] = min(dp[i], query(t2, l, pre[i] - sz_l[i] - 1) + sum_l[i]);
		}
		update(t1, i, min(dp[i-1], dp[i]) + sum_r[i]);
		update(t2, i, min(dp[i-1], dp[i]) + sum_r[i] + 1ll * sz_r[i] * (all[pos[i]+1].x - all[pos[i]].x));
	}

	return dp[n];
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 49 ms 13416 KB Output is correct
4 Correct 52 ms 13412 KB Output is correct
5 Correct 51 ms 13544 KB Output is correct
6 Correct 71 ms 17640 KB Output is correct
7 Correct 70 ms 17640 KB Output is correct
8 Correct 74 ms 17640 KB Output is correct
9 Correct 74 ms 17640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 76 ms 17640 KB Output is correct
4 Correct 73 ms 17768 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 74 ms 17640 KB Output is correct
19 Correct 74 ms 17640 KB Output is correct
20 Correct 75 ms 17640 KB Output is correct
21 Correct 73 ms 17612 KB Output is correct
22 Correct 73 ms 17640 KB Output is correct
23 Correct 76 ms 17740 KB Output is correct
24 Correct 73 ms 17640 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 73 ms 17640 KB Output is correct
3 Correct 72 ms 17644 KB Output is correct
4 Correct 78 ms 17760 KB Output is correct
5 Correct 73 ms 17640 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 484 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 78 ms 17768 KB Output is correct
19 Correct 79 ms 17640 KB Output is correct
20 Correct 80 ms 17640 KB Output is correct
21 Correct 77 ms 17640 KB Output is correct
22 Correct 84 ms 17640 KB Output is correct
23 Correct 68 ms 17640 KB Output is correct
24 Correct 86 ms 17644 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 49 ms 13416 KB Output is correct
20 Correct 52 ms 13412 KB Output is correct
21 Correct 51 ms 13544 KB Output is correct
22 Correct 71 ms 17640 KB Output is correct
23 Correct 70 ms 17640 KB Output is correct
24 Correct 74 ms 17640 KB Output is correct
25 Correct 74 ms 17640 KB Output is correct
26 Correct 2 ms 512 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 76 ms 17640 KB Output is correct
29 Correct 73 ms 17768 KB Output is correct
30 Correct 2 ms 512 KB Output is correct
31 Correct 2 ms 512 KB Output is correct
32 Correct 2 ms 512 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 512 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 2 ms 512 KB Output is correct
37 Correct 2 ms 384 KB Output is correct
38 Correct 2 ms 512 KB Output is correct
39 Correct 2 ms 384 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 2 ms 512 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 74 ms 17640 KB Output is correct
44 Correct 74 ms 17640 KB Output is correct
45 Correct 75 ms 17640 KB Output is correct
46 Correct 73 ms 17612 KB Output is correct
47 Correct 73 ms 17640 KB Output is correct
48 Correct 76 ms 17740 KB Output is correct
49 Correct 73 ms 17640 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 73 ms 17640 KB Output is correct
52 Correct 72 ms 17644 KB Output is correct
53 Correct 78 ms 17760 KB Output is correct
54 Correct 73 ms 17640 KB Output is correct
55 Correct 2 ms 512 KB Output is correct
56 Correct 2 ms 384 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 2 ms 384 KB Output is correct
59 Correct 2 ms 384 KB Output is correct
60 Correct 2 ms 484 KB Output is correct
61 Correct 2 ms 512 KB Output is correct
62 Correct 2 ms 384 KB Output is correct
63 Correct 2 ms 384 KB Output is correct
64 Correct 2 ms 512 KB Output is correct
65 Correct 2 ms 512 KB Output is correct
66 Correct 2 ms 512 KB Output is correct
67 Correct 78 ms 17768 KB Output is correct
68 Correct 79 ms 17640 KB Output is correct
69 Correct 80 ms 17640 KB Output is correct
70 Correct 77 ms 17640 KB Output is correct
71 Correct 84 ms 17640 KB Output is correct
72 Correct 68 ms 17640 KB Output is correct
73 Correct 86 ms 17644 KB Output is correct
74 Correct 74 ms 17816 KB Output is correct
75 Correct 73 ms 17716 KB Output is correct
76 Correct 74 ms 17740 KB Output is correct
77 Correct 80 ms 17640 KB Output is correct
78 Correct 73 ms 17760 KB Output is correct
79 Correct 75 ms 17768 KB Output is correct
80 Correct 70 ms 17768 KB Output is correct
81 Correct 64 ms 17640 KB Output is correct
82 Correct 66 ms 17768 KB Output is correct
83 Correct 62 ms 17640 KB Output is correct
84 Correct 68 ms 17688 KB Output is correct
85 Correct 77 ms 17640 KB Output is correct
86 Correct 79 ms 17768 KB Output is correct
87 Correct 78 ms 17640 KB Output is correct
88 Correct 75 ms 17640 KB Output is correct
89 Correct 76 ms 17640 KB Output is correct
90 Correct 86 ms 17740 KB Output is correct
91 Correct 70 ms 17768 KB Output is correct
92 Correct 75 ms 17768 KB Output is correct
93 Correct 76 ms 17640 KB Output is correct
94 Correct 75 ms 17768 KB Output is correct
95 Correct 84 ms 17768 KB Output is correct
96 Correct 77 ms 17612 KB Output is correct
97 Correct 79 ms 17644 KB Output is correct
98 Correct 78 ms 17640 KB Output is correct
99 Correct 79 ms 17688 KB Output is correct
100 Correct 86 ms 17660 KB Output is correct
101 Correct 74 ms 17640 KB Output is correct
102 Correct 69 ms 17640 KB Output is correct