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Submission #390788

# Submission time Handle Problem Language Result Execution time Memory
390788 2021-04-16T22:55:05 Z alishahali1382 Wiring (IOI17_wiring) C++14
100 / 100
 54 ms 10948 KB 
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
#define debug(x) {cerr<<#x<<"="<<x<<"\n";}
#define debug2(x, y) {cerr<<#x<<", "<<#y<<" = "<<x<<", "<<y<<"\n";}
#define pb push_back
#define all(x) x.begin(), x.end()

const int inf=1000000100;
const int MAXN=200010;

int n, m, k;
pii A[MAXN];
int prv[MAXN], nxt[MAXN];
int val[MAXN];
ll dp[MAXN], ps[MAXN];

ll min_total_length(vector<int> R, vector<int> B){
	for (int x:R) A[++n]={x, 0};
	for (int x:B) A[++n]={x, 1};
	sort(A+1, A+n+1);
	for (int i=2; i<=n; i++){
		if (A[i].second==A[i-1].second) prv[i]=prv[i-1];
		else prv[i]=i-1;
	}
	for (int i=n-1; i; i--){
		if (A[i].second==A[i+1].second) nxt[i]=nxt[i+1];
		else nxt[i]=i+1;
	}
	for (int i=1; i<=n; i++){
		ps[i]=ps[i-1]+A[i].first;
		val[i]=min((prv[i]?A[i].first-A[prv[i]].first:inf), (nxt[i]?A[nxt[i]].first-A[i].first:inf));
		// debug2(i, val[i])
	}
	for (int i=1; i<=n; i++){
		dp[i]=dp[i-1]+val[i];
		if (!prv[i]) continue ;
		int ted=i-prv[i];
		if (prv[i]-prv[prv[i]]>=ted)
			dp[i]=min(dp[i], dp[i-2*ted] + ps[i]-2*ps[i-ted]+ps[i-2*ted]);
		// debug2(i, dp[i])
	}
	return dp[n];
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 29 ms 6652 KB Output is correct
4 Correct 28 ms 8168 KB Output is correct
5 Correct 40 ms 8132 KB Output is correct
6 Correct 39 ms 10728 KB Output is correct
7 Correct 38 ms 10800 KB Output is correct
8 Correct 37 ms 10820 KB Output is correct
9 Correct 39 ms 10784 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 51 ms 8900 KB Output is correct
4 Correct 52 ms 10424 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 50 ms 10800 KB Output is correct
19 Correct 53 ms 10924 KB Output is correct
20 Correct 54 ms 10820 KB Output is correct
21 Correct 51 ms 10768 KB Output is correct
22 Correct 51 ms 10800 KB Output is correct
23 Correct 54 ms 10784 KB Output is correct
24 Correct 50 ms 10808 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 43 ms 8896 KB Output is correct
3 Correct 49 ms 10144 KB Output is correct
4 Correct 49 ms 10052 KB Output is correct
5 Correct 49 ms 10068 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 44 ms 10164 KB Output is correct
19 Correct 47 ms 10052 KB Output is correct
20 Correct 43 ms 10168 KB Output is correct
21 Correct 42 ms 10168 KB Output is correct
22 Correct 44 ms 10176 KB Output is correct
23 Correct 37 ms 10200 KB Output is correct
24 Correct 39 ms 10064 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 29 ms 6652 KB Output is correct
20 Correct 28 ms 8168 KB Output is correct
21 Correct 40 ms 8132 KB Output is correct
22 Correct 39 ms 10728 KB Output is correct
23 Correct 38 ms 10800 KB Output is correct
24 Correct 37 ms 10820 KB Output is correct
25 Correct 39 ms 10784 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 51 ms 8900 KB Output is correct
29 Correct 52 ms 10424 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 50 ms 10800 KB Output is correct
44 Correct 53 ms 10924 KB Output is correct
45 Correct 54 ms 10820 KB Output is correct
46 Correct 51 ms 10768 KB Output is correct
47 Correct 51 ms 10800 KB Output is correct
48 Correct 54 ms 10784 KB Output is correct
49 Correct 50 ms 10808 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 43 ms 8896 KB Output is correct
52 Correct 49 ms 10144 KB Output is correct
53 Correct 49 ms 10052 KB Output is correct
54 Correct 49 ms 10068 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 300 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 1 ms 332 KB Output is correct
62 Correct 1 ms 332 KB Output is correct
63 Correct 1 ms 308 KB Output is correct
64 Correct 1 ms 332 KB Output is correct
65 Correct 1 ms 332 KB Output is correct
66 Correct 1 ms 332 KB Output is correct
67 Correct 44 ms 10164 KB Output is correct
68 Correct 47 ms 10052 KB Output is correct
69 Correct 43 ms 10168 KB Output is correct
70 Correct 42 ms 10168 KB Output is correct
71 Correct 44 ms 10176 KB Output is correct
72 Correct 37 ms 10200 KB Output is correct
73 Correct 39 ms 10064 KB Output is correct
74 Correct 38 ms 10732 KB Output is correct
75 Correct 47 ms 10448 KB Output is correct
76 Correct 48 ms 10792 KB Output is correct
77 Correct 47 ms 10232 KB Output is correct
78 Correct 44 ms 10164 KB Output is correct
79 Correct 44 ms 10180 KB Output is correct
80 Correct 38 ms 10180 KB Output is correct
81 Correct 45 ms 10296 KB Output is correct
82 Correct 38 ms 10220 KB Output is correct
83 Correct 38 ms 10436 KB Output is correct
84 Correct 38 ms 10800 KB Output is correct
85 Correct 48 ms 10804 KB Output is correct
86 Correct 42 ms 10948 KB Output is correct
87 Correct 44 ms 10800 KB Output is correct
88 Correct 43 ms 10820 KB Output is correct
89 Correct 44 ms 10804 KB Output is correct
90 Correct 48 ms 10816 KB Output is correct
91 Correct 42 ms 10832 KB Output is correct
92 Correct 45 ms 10832 KB Output is correct
93 Correct 44 ms 10824 KB Output is correct
94 Correct 45 ms 10752 KB Output is correct
95 Correct 45 ms 10804 KB Output is correct
96 Correct 38 ms 10820 KB Output is correct
97 Correct 42 ms 10800 KB Output is correct
98 Correct 43 ms 10808 KB Output is correct
99 Correct 45 ms 10800 KB Output is correct
100 Correct 50 ms 10796 KB Output is correct
101 Correct 43 ms 10796 KB Output is correct
102 Correct 48 ms 10820 KB Output is correct