oj.uz

Submission #142841

# Submission time Handle Problem Language Result Execution time Memory
142841 2019-08-11T12:15:24 Z babo Wiring (IOI17_wiring) C++14
100 / 100
 109 ms 19576 KB 
#include <bits/stdc++.h>
#define inf 2000000000
#define all(x) (x).begin(),(x).end()
#define L long long

using namespace std;

struct S{
	L loc,det,chk,lev,milen;
}a[200020];
L dp[200020];
 
vector<L>v[200020];
L n,m;

L min_total_length(vector<int>r, vector<int>b){
	sort(all(r));
	sort(all(b));
	n=r.size();
	m=b.size();
	L i,ret=0;
	for(i=0;i<n;i++)
	{
		a[i]=(S){r[i],1,0};
	}
	for(i=n;i<n+m;i++)
	{
		a[i]=(S){b[i-n],2,0};
	}
	sort(a,a+n+m,[](S a,S b){
		return a.loc<b.loc;
	});

	L lev=100010;
	for(i=0;i<n+m;i++)
	{
		a[i].lev=lev;
		v[lev].push_back(i);
		if(a[i].det==1&&a[i+1].det==1) lev++;
		if(a[i].det==2&&a[i+1].det==2) lev--;
		//printf("%lld %lld\n",a[i].det,a[i].loc);
	}

	for(i=0;i<n+m;i++)
	{
		L mi=inf;
		vector<int>::iterator it;
		if(a[i].det==1)
		{
			it=lower_bound(all(b),a[i].loc);
			if(it!=b.end())
				mi=min(mi,*it-a[i].loc);
			it=upper_bound(all(b),a[i].loc);
			if(it!=b.begin())
				mi=min(mi,a[i].loc-*(prev(it)));
		}
		else
		{
			it=lower_bound(all(r),a[i].loc);
			if(it!=r.end())
				mi=min(mi,*it-a[i].loc);
			it=upper_bound(all(r),a[i].loc);
			if(it!=r.begin())
				mi=min(mi,a[i].loc-*(prev(it)));
		}
		a[i].milen=mi;
		//printf("%lld ",a[i].milen);
	}
	//puts("");
	for(lev=0;lev<200020;lev++)
	{	
		for(i=0;i<=v[lev].size();i++)
			dp[i]=inf;
		dp[0]=0;
		for(i=0;i<=v[lev].size();i++)
		{
			if(i>=2) dp[i]=min(dp[i],dp[i-2]+a[v[lev][i-1]].loc-a[v[lev][i-2]].loc);
			if(i>=1) dp[i]=min(dp[i],dp[i-1]+a[v[lev][i-1]].milen);
			if(i>=2) dp[i]=min(dp[i],dp[i-2]+a[v[lev][i-1]].loc-a[v[lev][i-2]].loc);
		}
		//for(i=0;i<=v[lev].size();i++)
		//	printf("%lld %lld\n",dp[i][0],dp[i][1]);
		ret+=dp[v[lev].size()];
	}
	return ret;
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:72:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=0;i<=v[lev].size();i++)
           ~^~~~~~~~~~~~~~~
wiring.cpp:75:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=0;i<=v[lev].size();i++)
           ~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4984 KB Output is correct
2 Correct 7 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 7 ms 4984 KB Output is correct
7 Correct 7 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5112 KB Output is correct
10 Correct 7 ms 5112 KB Output is correct
11 Correct 7 ms 5112 KB Output is correct
12 Correct 7 ms 4988 KB Output is correct
13 Correct 7 ms 5112 KB Output is correct
14 Correct 7 ms 5112 KB Output is correct
15 Correct 7 ms 5112 KB Output is correct
16 Correct 7 ms 5112 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 7 ms 5112 KB Output is correct
3 Correct 61 ms 16632 KB Output is correct
4 Correct 60 ms 16632 KB Output is correct
5 Correct 62 ms 16696 KB Output is correct
6 Correct 81 ms 19576 KB Output is correct
7 Correct 81 ms 19448 KB Output is correct
8 Correct 78 ms 19448 KB Output is correct
9 Correct 79 ms 19448 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 7 ms 4984 KB Output is correct
3 Correct 108 ms 18552 KB Output is correct
4 Correct 107 ms 18328 KB Output is correct
5 Correct 8 ms 4856 KB Output is correct
6 Correct 7 ms 4984 KB Output is correct
7 Correct 7 ms 4984 KB Output is correct
8 Correct 7 ms 4984 KB Output is correct
9 Correct 7 ms 5112 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 5112 KB Output is correct
12 Correct 7 ms 5112 KB Output is correct
13 Correct 7 ms 4984 KB Output is correct
14 Correct 7 ms 4984 KB Output is correct
15 Correct 7 ms 5112 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 106 ms 18552 KB Output is correct
19 Correct 104 ms 18684 KB Output is correct
20 Correct 109 ms 18676 KB Output is correct
21 Correct 106 ms 18708 KB Output is correct
22 Correct 106 ms 18396 KB Output is correct
23 Correct 106 ms 18680 KB Output is correct
24 Correct 106 ms 18808 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4984 KB Output is correct
2 Correct 88 ms 18172 KB Output is correct
3 Correct 95 ms 18040 KB Output is correct
4 Correct 94 ms 17912 KB Output is correct
5 Correct 95 ms 18168 KB Output is correct
6 Correct 7 ms 4984 KB Output is correct
7 Correct 7 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5112 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 7 ms 4984 KB Output is correct
12 Correct 7 ms 4984 KB Output is correct
13 Correct 8 ms 5112 KB Output is correct
14 Correct 7 ms 5032 KB Output is correct
15 Correct 7 ms 4984 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 7 ms 5116 KB Output is correct
18 Correct 87 ms 18296 KB Output is correct
19 Correct 89 ms 18188 KB Output is correct
20 Correct 87 ms 17884 KB Output is correct
21 Correct 82 ms 18168 KB Output is correct
22 Correct 85 ms 18512 KB Output is correct
23 Correct 77 ms 18680 KB Output is correct
24 Correct 78 ms 18296 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4984 KB Output is correct
2 Correct 7 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 7 ms 4984 KB Output is correct
7 Correct 7 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5112 KB Output is correct
10 Correct 7 ms 5112 KB Output is correct
11 Correct 7 ms 5112 KB Output is correct
12 Correct 7 ms 4988 KB Output is correct
13 Correct 7 ms 5112 KB Output is correct
14 Correct 7 ms 5112 KB Output is correct
15 Correct 7 ms 5112 KB Output is correct
16 Correct 7 ms 5112 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 7 ms 5112 KB Output is correct
19 Correct 61 ms 16632 KB Output is correct
20 Correct 60 ms 16632 KB Output is correct
21 Correct 62 ms 16696 KB Output is correct
22 Correct 81 ms 19576 KB Output is correct
23 Correct 81 ms 19448 KB Output is correct
24 Correct 78 ms 19448 KB Output is correct
25 Correct 79 ms 19448 KB Output is correct
26 Correct 7 ms 5112 KB Output is correct
27 Correct 7 ms 4984 KB Output is correct
28 Correct 108 ms 18552 KB Output is correct
29 Correct 107 ms 18328 KB Output is correct
30 Correct 8 ms 4856 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 4984 KB Output is correct
33 Correct 7 ms 4984 KB Output is correct
34 Correct 7 ms 5112 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 7 ms 5112 KB Output is correct
37 Correct 7 ms 5112 KB Output is correct
38 Correct 7 ms 4984 KB Output is correct
39 Correct 7 ms 4984 KB Output is correct
40 Correct 7 ms 5112 KB Output is correct
41 Correct 7 ms 4984 KB Output is correct
42 Correct 7 ms 4984 KB Output is correct
43 Correct 106 ms 18552 KB Output is correct
44 Correct 104 ms 18684 KB Output is correct
45 Correct 109 ms 18676 KB Output is correct
46 Correct 106 ms 18708 KB Output is correct
47 Correct 106 ms 18396 KB Output is correct
48 Correct 106 ms 18680 KB Output is correct
49 Correct 106 ms 18808 KB Output is correct
50 Correct 7 ms 4984 KB Output is correct
51 Correct 88 ms 18172 KB Output is correct
52 Correct 95 ms 18040 KB Output is correct
53 Correct 94 ms 17912 KB Output is correct
54 Correct 95 ms 18168 KB Output is correct
55 Correct 7 ms 4984 KB Output is correct
56 Correct 7 ms 4984 KB Output is correct
57 Correct 7 ms 5112 KB Output is correct
58 Correct 7 ms 5112 KB Output is correct
59 Correct 7 ms 4984 KB Output is correct
60 Correct 7 ms 4984 KB Output is correct
61 Correct 7 ms 4984 KB Output is correct
62 Correct 8 ms 5112 KB Output is correct
63 Correct 7 ms 5032 KB Output is correct
64 Correct 7 ms 4984 KB Output is correct
65 Correct 7 ms 4984 KB Output is correct
66 Correct 7 ms 5116 KB Output is correct
67 Correct 87 ms 18296 KB Output is correct
68 Correct 89 ms 18188 KB Output is correct
69 Correct 87 ms 17884 KB Output is correct
70 Correct 82 ms 18168 KB Output is correct
71 Correct 85 ms 18512 KB Output is correct
72 Correct 77 ms 18680 KB Output is correct
73 Correct 78 ms 18296 KB Output is correct
74 Correct 83 ms 19320 KB Output is correct
75 Correct 93 ms 18760 KB Output is correct
76 Correct 94 ms 19092 KB Output is correct
77 Correct 88 ms 18552 KB Output is correct
78 Correct 85 ms 18424 KB Output is correct
79 Correct 89 ms 18552 KB Output is correct
80 Correct 80 ms 18668 KB Output is correct
81 Correct 85 ms 18808 KB Output is correct
82 Correct 76 ms 18936 KB Output is correct
83 Correct 76 ms 18812 KB Output is correct
84 Correct 85 ms 19488 KB Output is correct
85 Correct 96 ms 19196 KB Output is correct
86 Correct 84 ms 19028 KB Output is correct
87 Correct 86 ms 19024 KB Output is correct
88 Correct 90 ms 19192 KB Output is correct
89 Correct 88 ms 19064 KB Output is correct
90 Correct 97 ms 18936 KB Output is correct
91 Correct 86 ms 19320 KB Output is correct
92 Correct 90 ms 19220 KB Output is correct
93 Correct 94 ms 19192 KB Output is correct
94 Correct 91 ms 19192 KB Output is correct
95 Correct 95 ms 19064 KB Output is correct
96 Correct 82 ms 19320 KB Output is correct
97 Correct 83 ms 19448 KB Output is correct
98 Correct 87 ms 19320 KB Output is correct
99 Correct 88 ms 19460 KB Output is correct
100 Correct 97 ms 19320 KB Output is correct
101 Correct 87 ms 19320 KB Output is correct
102 Correct 98 ms 19064 KB Output is correct