oj.uz

Submission #50275

# Submission time Handle Problem Language Result Execution time Memory
50275 2018-06-09T02:41:58 Z tmwilliamlin168 Wiring (IOI17_wiring) C++14
100 / 100
 74 ms 7676 KB 
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<int, int>
#define fi first
#define se second

const int mxN=1e5;
const ll INF=1e18;
ll p[2*mxN], ps[2*mxN+1], dp[2*mxN+1], mn1[mxN+1]={INF};

ll min_total_length(vector<int> r, vector<int> b) {
	int n=r.size()+b.size();
	vector<pii> cls;
	for(int i=0, ri=0, bi=0, lc=-1, cc; i<n; ++i, lc=cc) {
		if(ri>=r.size()||bi<b.size()&&b[bi]<r[ri]) {
			p[i]=b[bi++];
			cc=0;
		} else {
			p[i]=r[ri++];
			cc=1;
		}
		ps[i+1]=p[i]+ps[i];
		if(cc!=lc)
			cls.push_back({i, i});
		else
			++cls.back().se;
	}
	for(int i=cls[0].fi; i<=cls[0].se; ++i)
		dp[i+1]=INF;
	for(int bi=0; bi<cls.size()-1; ++bi) {
		for(int i=0; i<=cls[bi].se-cls[bi].fi; ++i)
			mn1[i+1]=min(min(dp[i+cls[bi].fi], dp[cls[bi+1].fi])+(cls[bi].se-cls[bi].fi+1-i)*p[cls[bi+1].fi]+ps[cls[bi].fi+i], mn1[i]);
		ll mn2=INF;
		for(int i=0; i<=cls[bi+1].se-cls[bi+1].fi; ++i) {
			dp[i+cls[bi+1].fi+1]=mn2-(i+1)*p[cls[bi].se];
			if(i<=cls[bi].se-cls[bi].fi) {
				dp[i+cls[bi+1].fi+1]=min(mn1[cls[bi].se-cls[bi].fi+1-i]-(i+1)*p[cls[bi+1].fi], dp[i+cls[bi+1].fi+1]);
				mn2=min(min(dp[cls[bi].se-i], dp[cls[bi+1].fi])+(i+1)*p[cls[bi].se]+ps[cls[bi].se-i], mn2);
			}
			dp[i+cls[bi+1].fi+1]+=ps[cls[bi+1].fi+i+1]-2*ps[cls[bi+1].fi];
		}
	}
	return dp[n];
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:18:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(ri>=r.size()||bi<b.size()&&b[bi]<r[ri]) {
      ~~^~~~~~~~~~
wiring.cpp:18:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(ri>=r.size()||bi<b.size()&&b[bi]<r[ri]) {
                    ~~^~~~~~~~~
wiring.cpp:18:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if(ri>=r.size()||bi<b.size()&&b[bi]<r[ri]) {
wiring.cpp:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int bi=0; bi<cls.size()-1; ++bi) {
                ~~^~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 524 KB Output is correct
6 Correct 3 ms 696 KB Output is correct
7 Correct 3 ms 696 KB Output is correct
8 Correct 3 ms 696 KB Output is correct
9 Correct 2 ms 696 KB Output is correct
10 Correct 2 ms 700 KB Output is correct
11 Correct 2 ms 700 KB Output is correct
12 Correct 3 ms 700 KB Output is correct
13 Correct 4 ms 700 KB Output is correct
14 Correct 3 ms 700 KB Output is correct
15 Correct 3 ms 700 KB Output is correct
16 Correct 3 ms 700 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 700 KB Output is correct
2 Correct 2 ms 700 KB Output is correct
3 Correct 34 ms 6012 KB Output is correct
4 Correct 33 ms 6096 KB Output is correct
5 Correct 31 ms 6096 KB Output is correct
6 Correct 40 ms 7676 KB Output is correct
7 Correct 40 ms 7676 KB Output is correct
8 Correct 39 ms 7676 KB Output is correct
9 Correct 64 ms 7676 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7676 KB Output is correct
2 Correct 3 ms 7676 KB Output is correct
3 Correct 48 ms 7676 KB Output is correct
4 Correct 37 ms 7676 KB Output is correct
5 Correct 3 ms 7676 KB Output is correct
6 Correct 2 ms 7676 KB Output is correct
7 Correct 2 ms 7676 KB Output is correct
8 Correct 2 ms 7676 KB Output is correct
9 Correct 2 ms 7676 KB Output is correct
10 Correct 3 ms 7676 KB Output is correct
11 Correct 2 ms 7676 KB Output is correct
12 Correct 3 ms 7676 KB Output is correct
13 Correct 3 ms 7676 KB Output is correct
14 Correct 2 ms 7676 KB Output is correct
15 Correct 2 ms 7676 KB Output is correct
16 Correct 2 ms 7676 KB Output is correct
17 Correct 3 ms 7676 KB Output is correct
18 Correct 72 ms 7676 KB Output is correct
19 Correct 48 ms 7676 KB Output is correct
20 Correct 49 ms 7676 KB Output is correct
21 Correct 49 ms 7676 KB Output is correct
22 Correct 48 ms 7676 KB Output is correct
23 Correct 46 ms 7676 KB Output is correct
24 Correct 49 ms 7676 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7676 KB Output is correct
2 Correct 34 ms 7676 KB Output is correct
3 Correct 40 ms 7676 KB Output is correct
4 Correct 34 ms 7676 KB Output is correct
5 Correct 38 ms 7676 KB Output is correct
6 Correct 3 ms 7676 KB Output is correct
7 Correct 2 ms 7676 KB Output is correct
8 Correct 3 ms 7676 KB Output is correct
9 Correct 2 ms 7676 KB Output is correct
10 Correct 3 ms 7676 KB Output is correct
11 Correct 2 ms 7676 KB Output is correct
12 Correct 2 ms 7676 KB Output is correct
13 Correct 3 ms 7676 KB Output is correct
14 Correct 2 ms 7676 KB Output is correct
15 Correct 3 ms 7676 KB Output is correct
16 Correct 2 ms 7676 KB Output is correct
17 Correct 2 ms 7676 KB Output is correct
18 Correct 35 ms 7676 KB Output is correct
19 Correct 36 ms 7676 KB Output is correct
20 Correct 38 ms 7676 KB Output is correct
21 Correct 34 ms 7676 KB Output is correct
22 Correct 37 ms 7676 KB Output is correct
23 Correct 38 ms 7676 KB Output is correct
24 Correct 38 ms 7676 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 524 KB Output is correct
6 Correct 3 ms 696 KB Output is correct
7 Correct 3 ms 696 KB Output is correct
8 Correct 3 ms 696 KB Output is correct
9 Correct 2 ms 696 KB Output is correct
10 Correct 2 ms 700 KB Output is correct
11 Correct 2 ms 700 KB Output is correct
12 Correct 3 ms 700 KB Output is correct
13 Correct 4 ms 700 KB Output is correct
14 Correct 3 ms 700 KB Output is correct
15 Correct 3 ms 700 KB Output is correct
16 Correct 3 ms 700 KB Output is correct
17 Correct 2 ms 700 KB Output is correct
18 Correct 2 ms 700 KB Output is correct
19 Correct 34 ms 6012 KB Output is correct
20 Correct 33 ms 6096 KB Output is correct
21 Correct 31 ms 6096 KB Output is correct
22 Correct 40 ms 7676 KB Output is correct
23 Correct 40 ms 7676 KB Output is correct
24 Correct 39 ms 7676 KB Output is correct
25 Correct 64 ms 7676 KB Output is correct
26 Correct 3 ms 7676 KB Output is correct
27 Correct 3 ms 7676 KB Output is correct
28 Correct 48 ms 7676 KB Output is correct
29 Correct 37 ms 7676 KB Output is correct
30 Correct 3 ms 7676 KB Output is correct
31 Correct 2 ms 7676 KB Output is correct
32 Correct 2 ms 7676 KB Output is correct
33 Correct 2 ms 7676 KB Output is correct
34 Correct 2 ms 7676 KB Output is correct
35 Correct 3 ms 7676 KB Output is correct
36 Correct 2 ms 7676 KB Output is correct
37 Correct 3 ms 7676 KB Output is correct
38 Correct 3 ms 7676 KB Output is correct
39 Correct 2 ms 7676 KB Output is correct
40 Correct 2 ms 7676 KB Output is correct
41 Correct 2 ms 7676 KB Output is correct
42 Correct 3 ms 7676 KB Output is correct
43 Correct 72 ms 7676 KB Output is correct
44 Correct 48 ms 7676 KB Output is correct
45 Correct 49 ms 7676 KB Output is correct
46 Correct 49 ms 7676 KB Output is correct
47 Correct 48 ms 7676 KB Output is correct
48 Correct 46 ms 7676 KB Output is correct
49 Correct 49 ms 7676 KB Output is correct
50 Correct 2 ms 7676 KB Output is correct
51 Correct 34 ms 7676 KB Output is correct
52 Correct 40 ms 7676 KB Output is correct
53 Correct 34 ms 7676 KB Output is correct
54 Correct 38 ms 7676 KB Output is correct
55 Correct 3 ms 7676 KB Output is correct
56 Correct 2 ms 7676 KB Output is correct
57 Correct 3 ms 7676 KB Output is correct
58 Correct 2 ms 7676 KB Output is correct
59 Correct 3 ms 7676 KB Output is correct
60 Correct 2 ms 7676 KB Output is correct
61 Correct 2 ms 7676 KB Output is correct
62 Correct 3 ms 7676 KB Output is correct
63 Correct 2 ms 7676 KB Output is correct
64 Correct 3 ms 7676 KB Output is correct
65 Correct 2 ms 7676 KB Output is correct
66 Correct 2 ms 7676 KB Output is correct
67 Correct 35 ms 7676 KB Output is correct
68 Correct 36 ms 7676 KB Output is correct
69 Correct 38 ms 7676 KB Output is correct
70 Correct 34 ms 7676 KB Output is correct
71 Correct 37 ms 7676 KB Output is correct
72 Correct 38 ms 7676 KB Output is correct
73 Correct 38 ms 7676 KB Output is correct
74 Correct 39 ms 7676 KB Output is correct
75 Correct 40 ms 7676 KB Output is correct
76 Correct 44 ms 7676 KB Output is correct
77 Correct 39 ms 7676 KB Output is correct
78 Correct 37 ms 7676 KB Output is correct
79 Correct 33 ms 7676 KB Output is correct
80 Correct 35 ms 7676 KB Output is correct
81 Correct 34 ms 7676 KB Output is correct
82 Correct 46 ms 7676 KB Output is correct
83 Correct 35 ms 7676 KB Output is correct
84 Correct 56 ms 7676 KB Output is correct
85 Correct 45 ms 7676 KB Output is correct
86 Correct 42 ms 7676 KB Output is correct
87 Correct 74 ms 7676 KB Output is correct
88 Correct 43 ms 7676 KB Output is correct
89 Correct 47 ms 7676 KB Output is correct
90 Correct 42 ms 7676 KB Output is correct
91 Correct 42 ms 7676 KB Output is correct
92 Correct 41 ms 7676 KB Output is correct
93 Correct 48 ms 7676 KB Output is correct
94 Correct 39 ms 7676 KB Output is correct
95 Correct 48 ms 7676 KB Output is correct
96 Correct 39 ms 7676 KB Output is correct
97 Correct 41 ms 7676 KB Output is correct
98 Correct 40 ms 7676 KB Output is correct
99 Correct 43 ms 7676 KB Output is correct
100 Correct 44 ms 7676 KB Output is correct
101 Correct 40 ms 7676 KB Output is correct
102 Correct 39 ms 7676 KB Output is correct