oj.uz

Submission #390059

# Submission time Handle Problem Language Result Execution time Memory
390059 2021-04-15T07:47:03 Z alireza_kaviani Wiring (IOI17_wiring) C++11
100 / 100
 267 ms 14516 KB 
#include <bits/stdc++.h>
#include "wiring.h"
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define sep			' '
#define X			first
#define Y			second
#define lc			id << 1
#define rc			lc | 1
#define all(x)		(x).begin() , (x).end()
#define SZ(x)		int((x).size())

const int MAXN = 2e5 + 10;
const int MOD = 1e9 + 7;
const ll INF = 1e18;

ll dp[MAXN] , seg[2][MAXN << 2];

void modify(int ind , int x , ll val , int id = 1 , int l = 0 , int r = MAXN){
	if(r - l == 1){
		seg[ind][id] = val;
		return;
	}
	int mid = l + r >> 1;
	if(x < mid)	modify(ind , x , val , lc , l , mid);
	else	modify(ind , x , val , rc , mid , r);
	seg[ind][id] = min(seg[ind][lc] , seg[ind][rc]);
}

ll get(int ind , int ql , int qr , int id = 1 , int l = 0 , int r = MAXN){
	if(qr <= l || r <= ql)	return INF;
	if(ql <= l && r <= qr)	return seg[ind][id];
	int mid = l + r >> 1;
	return min(get(ind , ql , qr , lc , l , mid) , get(ind , ql , qr , rc , mid , r));
}

ll min_total_length(vector<int> r, vector<int> b) {
	vector<pii> compress = {{-1 , 0} , {MOD , 0}};
	int n = SZ(r) + SZ(b);
	for(int i : r)	compress.push_back({i , 0});
	for(int i : b)	compress.push_back({i , 1});
	sort(all(compress));
	dp[n] = 0;
	int x = n , y = -1;
	ll v = 0 , u = 0;
//	for(int i = 0 ; i < SZ(compress) ; i++){
//		cout << i << sep << compress[i].X << sep << compress[i].Y << endl;
//	}
	for(int i = n - 1 ; i >= 0 ; i--){
		if(y == -1)	dp[i] = INF;
		else{
			v += compress[x + 1].X - compress[i + 1].X;
			u += compress[x].X - compress[i + 1].X;
			dp[i] = min(get(0 , x + 1 , min(y + 1 , 2 * x - i + 1)) + v , get(1 , 2 * x - i + 1 , y + 1) + u);
		}
//		cout << i << sep << dp[i] << endl;
		if(i > 0 && compress[i].Y != compress[i + 1].Y){
			y = x; x = i; v = 0 , u = 0;
			ll A = 0 , B = 0;
			for(int j = i + 1 ; j <= y ; j++){
				A += compress[j].X - compress[x + 1].X;
				B += compress[j].X - compress[x].X;
				modify(0 , j , dp[j] + A);
				modify(1 , j , dp[j] + B);
				dp[i] = min(dp[i] , dp[j] + B);
			}
			continue;
		}
	}
	return dp[0];
}

Compilation message

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

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 436 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 107 ms 6092 KB Output is correct
4 Correct 106 ms 6124 KB Output is correct
5 Correct 100 ms 8044 KB Output is correct
6 Correct 144 ms 9260 KB Output is correct
7 Correct 140 ms 9232 KB Output is correct
8 Correct 142 ms 9268 KB Output is correct
9 Correct 140 ms 9244 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 212 ms 13236 KB Output is correct
4 Correct 227 ms 13540 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 436 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 214 ms 13476 KB Output is correct
19 Correct 209 ms 13492 KB Output is correct
20 Correct 239 ms 13480 KB Output is correct
21 Correct 210 ms 13504 KB Output is correct
22 Correct 210 ms 13492 KB Output is correct
23 Correct 219 ms 13428 KB Output is correct
24 Correct 213 ms 13432 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 216 ms 13104 KB Output is correct
3 Correct 206 ms 13340 KB Output is correct
4 Correct 215 ms 13232 KB Output is correct
5 Correct 207 ms 13296 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 432 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 220 ms 12956 KB Output is correct
19 Correct 222 ms 14492 KB Output is correct
20 Correct 226 ms 14516 KB Output is correct
21 Correct 246 ms 14020 KB Output is correct
22 Correct 196 ms 12212 KB Output is correct
23 Correct 181 ms 11020 KB Output is correct
24 Correct 201 ms 12060 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 436 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 107 ms 6092 KB Output is correct
20 Correct 106 ms 6124 KB Output is correct
21 Correct 100 ms 8044 KB Output is correct
22 Correct 144 ms 9260 KB Output is correct
23 Correct 140 ms 9232 KB Output is correct
24 Correct 142 ms 9268 KB Output is correct
25 Correct 140 ms 9244 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 212 ms 13236 KB Output is correct
29 Correct 227 ms 13540 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 312 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 436 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 214 ms 13476 KB Output is correct
44 Correct 209 ms 13492 KB Output is correct
45 Correct 239 ms 13480 KB Output is correct
46 Correct 210 ms 13504 KB Output is correct
47 Correct 210 ms 13492 KB Output is correct
48 Correct 219 ms 13428 KB Output is correct
49 Correct 213 ms 13432 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 216 ms 13104 KB Output is correct
52 Correct 206 ms 13340 KB Output is correct
53 Correct 215 ms 13232 KB Output is correct
54 Correct 207 ms 13296 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 1 ms 304 KB Output is correct
62 Correct 2 ms 332 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 432 KB Output is correct
65 Correct 1 ms 332 KB Output is correct
66 Correct 1 ms 332 KB Output is correct
67 Correct 220 ms 12956 KB Output is correct
68 Correct 222 ms 14492 KB Output is correct
69 Correct 226 ms 14516 KB Output is correct
70 Correct 246 ms 14020 KB Output is correct
71 Correct 196 ms 12212 KB Output is correct
72 Correct 181 ms 11020 KB Output is correct
73 Correct 201 ms 12060 KB Output is correct
74 Correct 182 ms 11172 KB Output is correct
75 Correct 188 ms 12904 KB Output is correct
76 Correct 184 ms 11872 KB Output is correct
77 Correct 265 ms 13796 KB Output is correct
78 Correct 246 ms 12436 KB Output is correct
79 Correct 210 ms 14200 KB Output is correct
80 Correct 187 ms 11808 KB Output is correct
81 Correct 143 ms 10984 KB Output is correct
82 Correct 171 ms 10904 KB Output is correct
83 Correct 163 ms 11296 KB Output is correct
84 Correct 199 ms 10788 KB Output is correct
85 Correct 207 ms 13380 KB Output is correct
86 Correct 187 ms 11956 KB Output is correct
87 Correct 195 ms 11736 KB Output is correct
88 Correct 212 ms 12316 KB Output is correct
89 Correct 204 ms 12388 KB Output is correct
90 Correct 223 ms 12972 KB Output is correct
91 Correct 189 ms 11136 KB Output is correct
92 Correct 206 ms 13200 KB Output is correct
93 Correct 267 ms 11808 KB Output is correct
94 Correct 215 ms 14084 KB Output is correct
95 Correct 225 ms 13860 KB Output is correct
96 Correct 179 ms 11444 KB Output is correct
97 Correct 210 ms 11232 KB Output is correct
98 Correct 200 ms 12108 KB Output is correct
99 Correct 200 ms 12040 KB Output is correct
100 Correct 231 ms 14316 KB Output is correct
101 Correct 185 ms 11296 KB Output is correct
102 Correct 181 ms 11700 KB Output is correct