답안 #73819 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
73819	2018-08-29T05:15:30 Z	nvmdava	전선 연결 (IOI17_wiring)	C++17	100 / 100	115 ms	10284 KB

wiring

#include "wiring.h"
#include <bits/stdc++.h>
#define INF 1000000001LL
using namespace std;

struct Node{
	long long x;
	bool col;
	Node(long long _x, bool _col){
		x = _x;
		col = _col;
	}
	bool operator<(const Node& rhs){
		return x < rhs.x;
	}
};

vector<Node> v;
int last[200005][2];
long long ans[200005], s[200005];

inline long long sum(int l, int r, int x){
	if(l == x) return s[r] - s[l - 1] - v[l].x * (r - l + 1);
	return v[r].x * (r - l + 1) - s[r] + s[l - 1];
}
inline long long func(int i, int l, int r){
	return ans[l - 1] + sum(l, r, r) + sum(r + 1, i, r + 1) + (v[r + 1].x - v[r].x) * max(r - l + 1, i - r);
}


inline void find(int i){
	int R = last[i][v[i].col ^ 1];
	int r = R ;
	int l = last[R][v[i].col] + 1;
	int m;
	ans[i] = ans[i - 1] + v[i].x - v[r].x;
	ans[i] = min(ans[i], func(i, l, R));
	if(l == r){
		return;
	}
	while(l + 1!= r){
		m = (l + r) >> 1;
		if(func(i, m, R) < func(i, m + 1, R)) r = m;
		else l = m;
	}
	ans[i] = min(ans[i], func(i, r, R));
}
inline void basic(int i){
	last[i][0] = last[i - 1][0];
	last[i][1] = last[i - 1][1];
	last[i][v[i].col] = i;
	s[i] = s[i - 1] + v[i].x;
}
long long min_total_length(std::vector<int> r, std::vector<int> b) {
	for(auto x : r){
		v.push_back(Node(x, 0));
	}
	for(auto x : b){
		v.push_back(Node(x, 1));
	}
	sort(v.begin(), v.end());
	s[0] = v[0].x;
	int i;
	
	for(i = 1; i > 0; i++){
		if(v[i].col != v[i - 1].col) break;
		basic(i);
	}
	int t = i;
	ans[t - 1] = 40000000000000000;
	for(; i < v.size(); i++){
		if(v[i].col != v[t].col) break;
		basic(i);
		ans[i] = sum(0, t - 1, t - 1) + sum(t, i, t) + (v[t].x - v[t - 1].x) * max(t, i - t + 1);
	}
	for(; i < v.size(); i++){
		basic(i);
		find(i);
	}
	return ans[v.size() - 1];
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:71:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(; i < v.size(); i++){
        ~~^~~~~~~~~~
wiring.cpp:76:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(; i < v.size(); i++){
        ~~^~~~~~~~~~
wiring.cpp:23:34: warning: array subscript is below array bounds [-Warray-bounds]
  if(l == x) return s[r] - s[l - 1] - v[l].x * (r - l + 1);
                           ~~~~~~~^
wiring.cpp:24:46: warning: array subscript is below array bounds [-Warray-bounds]
  return v[r].x * (r - l + 1) - s[r] + s[l - 1];
                                       ~~~~~~~^

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	12 ms	488 KB	Output is correct
3	Correct	3 ms	488 KB	Output is correct
4	Correct	3 ms	488 KB	Output is correct
5	Correct	2 ms	492 KB	Output is correct
6	Correct	3 ms	492 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	560 KB	Output is correct
9	Correct	3 ms	692 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct
11	Correct	3 ms	692 KB	Output is correct
12	Correct	3 ms	692 KB	Output is correct
13	Correct	2 ms	692 KB	Output is correct
14	Correct	2 ms	692 KB	Output is correct
15	Correct	3 ms	692 KB	Output is correct
16	Correct	3 ms	692 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	692 KB	Output is correct
2	Correct	3 ms	692 KB	Output is correct
3	Correct	51 ms	7032 KB	Output is correct
4	Correct	46 ms	7032 KB	Output is correct
5	Correct	48 ms	7416 KB	Output is correct
6	Correct	56 ms	9336 KB	Output is correct
7	Correct	60 ms	9336 KB	Output is correct
8	Correct	63 ms	9356 KB	Output is correct
9	Correct	58 ms	9404 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	9404 KB	Output is correct
2	Correct	3 ms	9404 KB	Output is correct
3	Correct	79 ms	10104 KB	Output is correct
4	Correct	96 ms	10128 KB	Output is correct
5	Correct	2 ms	10128 KB	Output is correct
6	Correct	2 ms	10128 KB	Output is correct
7	Correct	2 ms	10128 KB	Output is correct
8	Correct	3 ms	10128 KB	Output is correct
9	Correct	3 ms	10128 KB	Output is correct
10	Correct	4 ms	10128 KB	Output is correct
11	Correct	2 ms	10128 KB	Output is correct
12	Correct	2 ms	10128 KB	Output is correct
13	Correct	2 ms	10128 KB	Output is correct
14	Correct	3 ms	10128 KB	Output is correct
15	Correct	3 ms	10128 KB	Output is correct
16	Correct	2 ms	10128 KB	Output is correct
17	Correct	3 ms	10128 KB	Output is correct
18	Correct	75 ms	10128 KB	Output is correct
19	Correct	72 ms	10128 KB	Output is correct
20	Correct	85 ms	10128 KB	Output is correct
21	Correct	78 ms	10128 KB	Output is correct
22	Correct	82 ms	10284 KB	Output is correct
23	Correct	90 ms	10284 KB	Output is correct
24	Correct	80 ms	10284 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10284 KB	Output is correct
2	Correct	77 ms	10284 KB	Output is correct
3	Correct	68 ms	10284 KB	Output is correct
4	Correct	78 ms	10284 KB	Output is correct
5	Correct	67 ms	10284 KB	Output is correct
6	Correct	3 ms	10284 KB	Output is correct
7	Correct	3 ms	10284 KB	Output is correct
8	Correct	3 ms	10284 KB	Output is correct
9	Correct	3 ms	10284 KB	Output is correct
10	Correct	3 ms	10284 KB	Output is correct
11	Correct	2 ms	10284 KB	Output is correct
12	Correct	3 ms	10284 KB	Output is correct
13	Correct	2 ms	10284 KB	Output is correct
14	Correct	3 ms	10284 KB	Output is correct
15	Correct	3 ms	10284 KB	Output is correct
16	Correct	3 ms	10284 KB	Output is correct
17	Correct	2 ms	10284 KB	Output is correct
18	Correct	77 ms	10284 KB	Output is correct
19	Correct	76 ms	10284 KB	Output is correct
20	Correct	84 ms	10284 KB	Output is correct
21	Correct	82 ms	10284 KB	Output is correct
22	Correct	71 ms	10284 KB	Output is correct
23	Correct	66 ms	10284 KB	Output is correct
24	Correct	86 ms	10284 KB	Output is correct

Subtask #5
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	12 ms	488 KB	Output is correct
3	Correct	3 ms	488 KB	Output is correct
4	Correct	3 ms	488 KB	Output is correct
5	Correct	2 ms	492 KB	Output is correct
6	Correct	3 ms	492 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	560 KB	Output is correct
9	Correct	3 ms	692 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct
11	Correct	3 ms	692 KB	Output is correct
12	Correct	3 ms	692 KB	Output is correct
13	Correct	2 ms	692 KB	Output is correct
14	Correct	2 ms	692 KB	Output is correct
15	Correct	3 ms	692 KB	Output is correct
16	Correct	3 ms	692 KB	Output is correct
17	Correct	3 ms	692 KB	Output is correct
18	Correct	3 ms	692 KB	Output is correct
19	Correct	51 ms	7032 KB	Output is correct
20	Correct	46 ms	7032 KB	Output is correct
21	Correct	48 ms	7416 KB	Output is correct
22	Correct	56 ms	9336 KB	Output is correct
23	Correct	60 ms	9336 KB	Output is correct
24	Correct	63 ms	9356 KB	Output is correct
25	Correct	58 ms	9404 KB	Output is correct
26	Correct	3 ms	9404 KB	Output is correct
27	Correct	3 ms	9404 KB	Output is correct
28	Correct	79 ms	10104 KB	Output is correct
29	Correct	96 ms	10128 KB	Output is correct
30	Correct	2 ms	10128 KB	Output is correct
31	Correct	2 ms	10128 KB	Output is correct
32	Correct	2 ms	10128 KB	Output is correct
33	Correct	3 ms	10128 KB	Output is correct
34	Correct	3 ms	10128 KB	Output is correct
35	Correct	4 ms	10128 KB	Output is correct
36	Correct	2 ms	10128 KB	Output is correct
37	Correct	2 ms	10128 KB	Output is correct
38	Correct	2 ms	10128 KB	Output is correct
39	Correct	3 ms	10128 KB	Output is correct
40	Correct	3 ms	10128 KB	Output is correct
41	Correct	2 ms	10128 KB	Output is correct
42	Correct	3 ms	10128 KB	Output is correct
43	Correct	75 ms	10128 KB	Output is correct
44	Correct	72 ms	10128 KB	Output is correct
45	Correct	85 ms	10128 KB	Output is correct
46	Correct	78 ms	10128 KB	Output is correct
47	Correct	82 ms	10284 KB	Output is correct
48	Correct	90 ms	10284 KB	Output is correct
49	Correct	80 ms	10284 KB	Output is correct
50	Correct	3 ms	10284 KB	Output is correct
51	Correct	77 ms	10284 KB	Output is correct
52	Correct	68 ms	10284 KB	Output is correct
53	Correct	78 ms	10284 KB	Output is correct
54	Correct	67 ms	10284 KB	Output is correct
55	Correct	3 ms	10284 KB	Output is correct
56	Correct	3 ms	10284 KB	Output is correct
57	Correct	3 ms	10284 KB	Output is correct
58	Correct	3 ms	10284 KB	Output is correct
59	Correct	3 ms	10284 KB	Output is correct
60	Correct	2 ms	10284 KB	Output is correct
61	Correct	3 ms	10284 KB	Output is correct
62	Correct	2 ms	10284 KB	Output is correct
63	Correct	3 ms	10284 KB	Output is correct
64	Correct	3 ms	10284 KB	Output is correct
65	Correct	3 ms	10284 KB	Output is correct
66	Correct	2 ms	10284 KB	Output is correct
67	Correct	77 ms	10284 KB	Output is correct
68	Correct	76 ms	10284 KB	Output is correct
69	Correct	84 ms	10284 KB	Output is correct
70	Correct	82 ms	10284 KB	Output is correct
71	Correct	71 ms	10284 KB	Output is correct
72	Correct	66 ms	10284 KB	Output is correct
73	Correct	86 ms	10284 KB	Output is correct
74	Correct	55 ms	10284 KB	Output is correct
75	Correct	79 ms	10284 KB	Output is correct
76	Correct	84 ms	10284 KB	Output is correct
77	Correct	88 ms	10284 KB	Output is correct
78	Correct	78 ms	10284 KB	Output is correct
79	Correct	84 ms	10284 KB	Output is correct
80	Correct	68 ms	10284 KB	Output is correct
81	Correct	81 ms	10284 KB	Output is correct
82	Correct	53 ms	10284 KB	Output is correct
83	Correct	56 ms	10284 KB	Output is correct
84	Correct	64 ms	10284 KB	Output is correct
85	Correct	89 ms	10284 KB	Output is correct
86	Correct	74 ms	10284 KB	Output is correct
87	Correct	76 ms	10284 KB	Output is correct
88	Correct	80 ms	10284 KB	Output is correct
89	Correct	104 ms	10284 KB	Output is correct
90	Correct	88 ms	10284 KB	Output is correct
91	Correct	69 ms	10284 KB	Output is correct
92	Correct	90 ms	10284 KB	Output is correct
93	Correct	76 ms	10284 KB	Output is correct
94	Correct	83 ms	10284 KB	Output is correct
95	Correct	99 ms	10284 KB	Output is correct
96	Correct	67 ms	10284 KB	Output is correct
97	Correct	62 ms	10284 KB	Output is correct
98	Correct	72 ms	10284 KB	Output is correct
99	Correct	74 ms	10284 KB	Output is correct
100	Correct	115 ms	10284 KB	Output is correct
101	Correct	76 ms	10284 KB	Output is correct
102	Correct	98 ms	10284 KB	Output is correct

답안 #73819

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 13.0 / 13.0

Subtask #3 10.0 / 10.0

Subtask #4 25.0 / 25.0

Subtask #5 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
13.0 / 13.0

Subtask #3
10.0 / 10.0

Subtask #4
25.0 / 25.0

Subtask #5
45.0 / 45.0