oj.uz

답안 #137187

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
137187 2019-07-27T08:13:21 Z MAMBA 전선 연결 (IOI17_wiring) C++17
100 / 100
 272 ms 16948 KB 
#include "wiring.h"
#include <bits/stdc++.h>

using namespace std;

#define rep(i , j , k) for(int i = j; i < (int)k; i++)
#define all(x) x.begin(),x.end()

#define lid id<<1
#define rid lid|1

typedef long long ll;


const int N = 2e5 + 10;

ll seg[N << 2], lazy[N << 2];
int n;

void segAdd(int s, int t, ll val , int l = 0, int r = n, int id = 1) {
	if (l >= t || r <= s) return;
	if (l >= s && r <= t) {
		lazy[id] += val;
		seg[id] += val;
		return;
	}
	int mid = l + r >> 1;
	segAdd(s , t  ,val , l , mid , lid);
	segAdd(s , t ,val , mid , r , rid);
	seg[id] = min(seg[lid] , seg[rid]) + lazy[id];
}

ll segMin(int s, int t, int l = 0, int r = n ,int id = 1) {
	if (l >= t || r <= s) return 1e18;
	if (l >= s&& r <= t) return seg[id];
	int mid = l + r >> 1;
	return min(segMin(s , t , l , mid , lid) , segMin(s , t , mid , r , rid)) + lazy[id];
}


ll l[N], r[N], dp[N];

ll min_total_length(std::vector<int> R, std::vector<int> B) {

	memset(l , 0 , sizeof(l));
	memset(r , 0 , sizeof(r));

	n = R.size() + B.size();

	vector<ll> mg(n);

	merge(all(R) , all(B) , mg.begin());


	auto Tp = [&](int id) -> bool {
		return binary_search(all(R) , mg[id]);
	};

	{
		int last = 0;
		rep(i , 0 , n) {
			if (Tp(i) != Tp(last)) 
				last = i;
			l[i] = mg[i] - mg[last];
			if (i != last) l[i] += l[i - 1];
		}
	}

	{
		int last = n - 1;
		for (int i = n - 1; ~i; i--) {
			if (Tp(i) != Tp(last)) 
				last = i;
			if (last != n - 1) 
				r[i] = mg[last + 1] - mg[i];
			if (i != last) r[i] += r[i + 1];
		}
	}


	int a = 0, b = 0, c = 0;
	rep(i , 0 , n) {
		if (Tp(i) != Tp(b)) {
			c = a;
			a = b;
			b = i;
		}
		ll local = segMin(a , b);
		if (i == 0) local = 0;
		if (i != b) 
			local += l[i - 1];

		if (i == b && i) {
			local = min(local , segMin(c , a) + l[i - 1]);
		}

		local += r[i];

		dp[i] = local;

	//	cout << i << ' ' << local << endl;

		segAdd(i , i + 1, local);
		int pos = b - (i - b);
		pos = max(pos , a);
		if (pos != b)
			segAdd(pos , b , mg[b] - mg[b - 1]);
	}
	return segMin(a , b) + l[n - 1];



}

Compilation message

wiring.cpp: In function 'void segAdd(int, int, ll, int, int, int)':
wiring.cpp:27:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid = l + r >> 1;
            ~~^~~
wiring.cpp: In function 'll segMin(int, int, int, int, int)':
wiring.cpp:36:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid = l + r >> 1;
            ~~^~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 5 ms 3448 KB Output is correct
4 Correct 5 ms 3576 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 5 ms 3448 KB Output is correct
8 Correct 5 ms 3576 KB Output is correct
9 Correct 5 ms 3448 KB Output is correct
10 Correct 5 ms 3448 KB Output is correct
11 Correct 5 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 5 ms 3448 KB Output is correct
14 Correct 5 ms 3448 KB Output is correct
15 Correct 5 ms 3576 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 138 ms 14584 KB Output is correct
4 Correct 130 ms 15180 KB Output is correct
5 Correct 130 ms 15256 KB Output is correct
6 Correct 185 ms 16464 KB Output is correct
7 Correct 180 ms 16476 KB Output is correct
8 Correct 159 ms 16604 KB Output is correct
9 Correct 160 ms 16460 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3448 KB Output is correct
2 Correct 4 ms 3420 KB Output is correct
3 Correct 230 ms 15868 KB Output is correct
4 Correct 222 ms 16248 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 5 ms 3448 KB Output is correct
8 Correct 5 ms 3448 KB Output is correct
9 Correct 5 ms 3448 KB Output is correct
10 Correct 5 ms 3452 KB Output is correct
11 Correct 5 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 5 ms 3448 KB Output is correct
14 Correct 4 ms 3448 KB Output is correct
15 Correct 5 ms 3448 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct
17 Correct 5 ms 3448 KB Output is correct
18 Correct 230 ms 16172 KB Output is correct
19 Correct 229 ms 16120 KB Output is correct
20 Correct 229 ms 16120 KB Output is correct
21 Correct 230 ms 16168 KB Output is correct
22 Correct 233 ms 16152 KB Output is correct
23 Correct 230 ms 16188 KB Output is correct
24 Correct 231 ms 16136 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3448 KB Output is correct
2 Correct 228 ms 16272 KB Output is correct
3 Correct 216 ms 16800 KB Output is correct
4 Correct 219 ms 16912 KB Output is correct
5 Correct 225 ms 16764 KB Output is correct
6 Correct 5 ms 3420 KB Output is correct
7 Correct 5 ms 3452 KB Output is correct
8 Correct 5 ms 3448 KB Output is correct
9 Correct 5 ms 3448 KB Output is correct
10 Correct 4 ms 3516 KB Output is correct
11 Correct 5 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 5 ms 3448 KB Output is correct
14 Correct 5 ms 3448 KB Output is correct
15 Correct 5 ms 3456 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct
17 Correct 5 ms 3448 KB Output is correct
18 Correct 218 ms 16784 KB Output is correct
19 Correct 223 ms 16948 KB Output is correct
20 Correct 230 ms 16812 KB Output is correct
21 Correct 225 ms 16740 KB Output is correct
22 Correct 199 ms 16548 KB Output is correct
23 Correct 175 ms 16376 KB Output is correct
24 Correct 194 ms 16544 KB Output is correct

Subtask #5
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 3448 KB Output is correct
2 Correct 5 ms 3448 KB Output is correct
3 Correct 5 ms 3448 KB Output is correct
4 Correct 5 ms 3576 KB Output is correct
5 Correct 5 ms 3448 KB Output is correct
6 Correct 5 ms 3448 KB Output is correct
7 Correct 5 ms 3448 KB Output is correct
8 Correct 5 ms 3576 KB Output is correct
9 Correct 5 ms 3448 KB Output is correct
10 Correct 5 ms 3448 KB Output is correct
11 Correct 5 ms 3448 KB Output is correct
12 Correct 5 ms 3448 KB Output is correct
13 Correct 5 ms 3448 KB Output is correct
14 Correct 5 ms 3448 KB Output is correct
15 Correct 5 ms 3576 KB Output is correct
16 Correct 5 ms 3448 KB Output is correct
17 Correct 5 ms 3448 KB Output is correct
18 Correct 5 ms 3448 KB Output is correct
19 Correct 138 ms 14584 KB Output is correct
20 Correct 130 ms 15180 KB Output is correct
21 Correct 130 ms 15256 KB Output is correct
22 Correct 185 ms 16464 KB Output is correct
23 Correct 180 ms 16476 KB Output is correct
24 Correct 159 ms 16604 KB Output is correct
25 Correct 160 ms 16460 KB Output is correct
26 Correct 4 ms 3448 KB Output is correct
27 Correct 4 ms 3420 KB Output is correct
28 Correct 230 ms 15868 KB Output is correct
29 Correct 222 ms 16248 KB Output is correct
30 Correct 5 ms 3448 KB Output is correct
31 Correct 5 ms 3448 KB Output is correct
32 Correct 5 ms 3448 KB Output is correct
33 Correct 5 ms 3448 KB Output is correct
34 Correct 5 ms 3448 KB Output is correct
35 Correct 5 ms 3452 KB Output is correct
36 Correct 5 ms 3448 KB Output is correct
37 Correct 5 ms 3448 KB Output is correct
38 Correct 5 ms 3448 KB Output is correct
39 Correct 4 ms 3448 KB Output is correct
40 Correct 5 ms 3448 KB Output is correct
41 Correct 5 ms 3448 KB Output is correct
42 Correct 5 ms 3448 KB Output is correct
43 Correct 230 ms 16172 KB Output is correct
44 Correct 229 ms 16120 KB Output is correct
45 Correct 229 ms 16120 KB Output is correct
46 Correct 230 ms 16168 KB Output is correct
47 Correct 233 ms 16152 KB Output is correct
48 Correct 230 ms 16188 KB Output is correct
49 Correct 231 ms 16136 KB Output is correct
50 Correct 4 ms 3448 KB Output is correct
51 Correct 228 ms 16272 KB Output is correct
52 Correct 216 ms 16800 KB Output is correct
53 Correct 219 ms 16912 KB Output is correct
54 Correct 225 ms 16764 KB Output is correct
55 Correct 5 ms 3420 KB Output is correct
56 Correct 5 ms 3452 KB Output is correct
57 Correct 5 ms 3448 KB Output is correct
58 Correct 5 ms 3448 KB Output is correct
59 Correct 4 ms 3516 KB Output is correct
60 Correct 5 ms 3448 KB Output is correct
61 Correct 5 ms 3448 KB Output is correct
62 Correct 5 ms 3448 KB Output is correct
63 Correct 5 ms 3448 KB Output is correct
64 Correct 5 ms 3456 KB Output is correct
65 Correct 5 ms 3448 KB Output is correct
66 Correct 5 ms 3448 KB Output is correct
67 Correct 218 ms 16784 KB Output is correct
68 Correct 223 ms 16948 KB Output is correct
69 Correct 230 ms 16812 KB Output is correct
70 Correct 225 ms 16740 KB Output is correct
71 Correct 199 ms 16548 KB Output is correct
72 Correct 175 ms 16376 KB Output is correct
73 Correct 194 ms 16544 KB Output is correct
74 Correct 194 ms 16504 KB Output is correct
75 Correct 206 ms 16348 KB Output is correct
76 Correct 207 ms 16396 KB Output is correct
77 Correct 230 ms 16640 KB Output is correct
78 Correct 203 ms 16504 KB Output is correct
79 Correct 228 ms 16504 KB Output is correct
80 Correct 200 ms 16544 KB Output is correct
81 Correct 190 ms 16152 KB Output is correct
82 Correct 172 ms 16356 KB Output is correct
83 Correct 196 ms 16376 KB Output is correct
84 Correct 182 ms 16248 KB Output is correct
85 Correct 221 ms 16488 KB Output is correct
86 Correct 206 ms 16760 KB Output is correct
87 Correct 196 ms 16568 KB Output is correct
88 Correct 220 ms 16604 KB Output is correct
89 Correct 272 ms 16520 KB Output is correct
90 Correct 226 ms 16632 KB Output is correct
91 Correct 182 ms 16568 KB Output is correct
92 Correct 224 ms 16492 KB Output is correct
93 Correct 198 ms 16632 KB Output is correct
94 Correct 230 ms 16480 KB Output is correct
95 Correct 232 ms 16684 KB Output is correct
96 Correct 205 ms 16532 KB Output is correct
97 Correct 182 ms 16424 KB Output is correct
98 Correct 188 ms 16500 KB Output is correct
99 Correct 188 ms 16512 KB Output is correct
100 Correct 247 ms 16736 KB Output is correct
101 Correct 195 ms 16504 KB Output is correct
102 Correct 207 ms 16392 KB Output is correct