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Submission #924685

# Submission time Handle Problem Language Result Execution time Memory
924685 2024-02-09T12:48:16 Z Dzadzo Wiring (IOI17_wiring) C++14
100 / 100
 44 ms 8896 KB 
#include <bits/stdc++.h>
#include "wiring.h"
#define ll long long
#define pb push_back
#define S second
#define F first
#define pii pair<int,int>
#define vi vector <ll>
#define vvi vector <vi>
#define vvvi vector <vvi>
#define vp vector <pii>
#define vvp vector <vp>
#define vb vector <bool>
#define vvb vector <vb>;
#define INF LLONG_MAX
#define MOD 1000000007
#define MAXN 100000
using namespace std;
ll min_total_length(std::vector<int> r, std::vector<int> b){
	vp v;
	v.pb({0,0});
	for (auto x:r)v.pb(make_pair(x*1ll,-1*1ll));
	for (auto x:b)v.pb(make_pair(x*1ll,1ll));
	int n=v.size()-1;
	sort(v.begin()+1,v.end());
	vi dp(n+1,INF),p(n+1);
	dp[0]=0;
	for (int i=1;i<=n;i++){
		p[i]=p[i-1]+v[i].F;
	}
	int cur=1,prev=0;
	while (v[prev].S==v[prev+1].S)cur++;
	int ind;
	for (int i=cur+1;i<=n;i++){
		if (v[i].S!=v[i-1].S){
			ind=v[i-1].F;
			for (int j=i-cur;j<i;j++)if (dp[j-1]!=INF)dp[j]=min(dp[j],dp[j-1]+v[i].F-v[j].F);
			prev=cur;
			cur=0;
		}
		cur++;
		if (dp[i-1]!=INF)
		dp[i]=min(dp[i],dp[i-1]+v[i].F-ind);
		if (cur<=prev && dp[i-2*cur]!=INF)dp[i]=min(dp[i],dp[i-2*cur]+p[i]+p[i-2*cur]-2*p[i-cur]);
	}
	return dp[n];
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:43:34: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized]
   43 |   dp[i]=min(dp[i],dp[i-1]+v[i].F-ind);
      |                                  ^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 440 KB Output is correct
16 Correct 1 ms 348 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 20 ms 6604 KB Output is correct
4 Correct 20 ms 6604 KB Output is correct
5 Correct 19 ms 6604 KB Output is correct
6 Correct 27 ms 8640 KB Output is correct
7 Correct 25 ms 8652 KB Output is correct
8 Correct 26 ms 8720 KB Output is correct
9 Correct 28 ms 8640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 40 ms 8616 KB Output is correct
4 Correct 37 ms 8384 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 36 ms 8688 KB Output is correct
19 Correct 38 ms 8684 KB Output is correct
20 Correct 44 ms 8744 KB Output is correct
21 Correct 36 ms 8644 KB Output is correct
22 Correct 36 ms 8608 KB Output is correct
23 Correct 37 ms 8644 KB Output is correct
24 Correct 36 ms 8704 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 37 ms 7844 KB Output is correct
3 Correct 36 ms 8132 KB Output is correct
4 Correct 38 ms 7944 KB Output is correct
5 Correct 35 ms 7872 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 32 ms 8020 KB Output is correct
19 Correct 33 ms 8044 KB Output is correct
20 Correct 31 ms 7884 KB Output is correct
21 Correct 28 ms 7852 KB Output is correct
22 Correct 30 ms 7880 KB Output is correct
23 Correct 26 ms 7988 KB Output is correct
24 Correct 27 ms 7852 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 440 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 436 KB Output is correct
19 Correct 20 ms 6604 KB Output is correct
20 Correct 20 ms 6604 KB Output is correct
21 Correct 19 ms 6604 KB Output is correct
22 Correct 27 ms 8640 KB Output is correct
23 Correct 25 ms 8652 KB Output is correct
24 Correct 26 ms 8720 KB Output is correct
25 Correct 28 ms 8640 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 40 ms 8616 KB Output is correct
29 Correct 37 ms 8384 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 36 ms 8688 KB Output is correct
44 Correct 38 ms 8684 KB Output is correct
45 Correct 44 ms 8744 KB Output is correct
46 Correct 36 ms 8644 KB Output is correct
47 Correct 36 ms 8608 KB Output is correct
48 Correct 37 ms 8644 KB Output is correct
49 Correct 36 ms 8704 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 37 ms 7844 KB Output is correct
52 Correct 36 ms 8132 KB Output is correct
53 Correct 38 ms 7944 KB Output is correct
54 Correct 35 ms 7872 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 1 ms 344 KB Output is correct
67 Correct 32 ms 8020 KB Output is correct
68 Correct 33 ms 8044 KB Output is correct
69 Correct 31 ms 7884 KB Output is correct
70 Correct 28 ms 7852 KB Output is correct
71 Correct 30 ms 7880 KB Output is correct
72 Correct 26 ms 7988 KB Output is correct
73 Correct 27 ms 7852 KB Output is correct
74 Correct 27 ms 8652 KB Output is correct
75 Correct 33 ms 8396 KB Output is correct
76 Correct 32 ms 8616 KB Output is correct
77 Correct 33 ms 8224 KB Output is correct
78 Correct 35 ms 8128 KB Output is correct
79 Correct 30 ms 8128 KB Output is correct
80 Correct 27 ms 8072 KB Output is correct
81 Correct 30 ms 8140 KB Output is correct
82 Correct 26 ms 8128 KB Output is correct
83 Correct 25 ms 8392 KB Output is correct
84 Correct 30 ms 8652 KB Output is correct
85 Correct 32 ms 8696 KB Output is correct
86 Correct 28 ms 8644 KB Output is correct
87 Correct 38 ms 8712 KB Output is correct
88 Correct 31 ms 8640 KB Output is correct
89 Correct 29 ms 8644 KB Output is correct
90 Correct 34 ms 8744 KB Output is correct
91 Correct 30 ms 8640 KB Output is correct
92 Correct 34 ms 8876 KB Output is correct
93 Correct 29 ms 8644 KB Output is correct
94 Correct 32 ms 8896 KB Output is correct
95 Correct 32 ms 8644 KB Output is correct
96 Correct 29 ms 8648 KB Output is correct
97 Correct 35 ms 8608 KB Output is correct
98 Correct 30 ms 8640 KB Output is correct
99 Correct 30 ms 8560 KB Output is correct
100 Correct 33 ms 8692 KB Output is correct
101 Correct 29 ms 8640 KB Output is correct
102 Correct 34 ms 8644 KB Output is correct