oj.uz

답안 #198298

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
198298 2020-01-25T12:41:24 Z Akashi Arranging Shoes (IOI19_shoes) C++14
100 / 100
 229 ms 31648 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

struct grup{
	int x, y;
	bool operator < (const grup &aux)const{
		if((x + y) / 2 != (aux.x + aux.y) / 2) return (x + y) / 2 < (aux.x + aux.y) / 2;
		return x < aux.x;
	}
};

grup a[100005];

set <int> lf[200005], rf[200005];
int n;

int Arb[800005], Lazy[800005];

void propag(int nod){
	for(int i = nod * 2; i <= nod * 2 + 1 ; ++i){
		Lazy[i] += Lazy[nod];
		Arb[i] += Lazy[nod]; 
	}
	Lazy[nod] = 0;
}

void build(int st = 1, int dr = n, int nod = 1){
	Lazy[nod] = 0;
	if(st == dr){
		Arb[nod] = st;
		return ;
	}
	
	int mij = (st + dr) / 2;
	build(st, mij, nod * 2);
	build(mij + 1, dr, nod * 2 + 1);
}

void update(int x, int y, int val, int st = 1, int dr = n, int nod = 1){
	if(x <= st && dr <= y){
		Lazy[nod] += val;
		Arb[nod] += val;
		return ;
	}
	
	propag(nod);
	
	int mij = (st + dr) / 2;
	if(x <= mij) update(x, y, val, st, mij, nod * 2);
	if(mij + 1 <= y) update(x, y, val, mij + 1, dr, nod * 2 + 1);
}

int query(int x, int st = 1, int dr = n, int nod = 1){
	if(st == dr) return Arb[nod];
	propag(nod);
	
	int mij = (st + dr) / 2;
	if(x <= mij) return query(x, st, mij, nod * 2);
	else return query(x, mij + 1, dr, nod * 2 + 1);
}

long long count_swaps(vector<int> s) {
	int NR = 0;
	n = s.size();
	long long Sol = 0;
	for(int i = 1; i <= n ; ++i){
		int x = s[i - 1];
		if(x < 0){
			x = -x;
			if(!rf[x].empty()){
				a[++NR] = {i, *rf[x].begin()};
				rf[x].erase(rf[x].begin());
				//++Sol;
			}
			else lf[x].insert(i);
		}
		else{
			if(!lf[x].empty()){
				a[++NR] = {*lf[x].begin(), i};
				lf[x].erase(lf[x].begin());
			}
			else rf[x].insert(i);
		}
	}

	sort(a + 1, a + NR + 1);
	//cerr << n;
	build();
	
	for(int i = 1; i <= NR ; ++i){
		int p1 = 2 * i - 1, p2 = 2 * i;
		
		int x = query(a[i].x);
		Sol = Sol + abs(x - p1); 
		update(1, a[i].x, 1);

		int y = query(a[i].y);
		Sol = Sol + abs(y - p2);
		update(1, a[i].y, 1);
	}
	
	return Sol;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 19064 KB Output is correct
2 Correct 19 ms 19192 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 19064 KB Output is correct
2 Correct 19 ms 19192 KB Output is correct
3 Correct 19 ms 19064 KB Output is correct
4 Correct 19 ms 19076 KB Output is correct
5 Correct 21 ms 19132 KB Output is correct
6 Correct 19 ms 19196 KB Output is correct
7 Correct 19 ms 19064 KB Output is correct
8 Correct 19 ms 19192 KB Output is correct
9 Correct 19 ms 19192 KB Output is correct
10 Correct 20 ms 19200 KB Output is correct
11 Correct 19 ms 19064 KB Output is correct
12 Correct 19 ms 19196 KB Output is correct
13 Correct 19 ms 19192 KB Output is correct
14 Correct 19 ms 19192 KB Output is correct
15 Correct 19 ms 19192 KB Output is correct
16 Correct 19 ms 19064 KB Output is correct
17 Correct 19 ms 19192 KB Output is correct
18 Correct 19 ms 19192 KB Output is correct
19 Correct 19 ms 19064 KB Output is correct
20 Correct 19 ms 19096 KB Output is correct
21 Correct 19 ms 19192 KB Output is correct
22 Correct 20 ms 19152 KB Output is correct
23 Correct 20 ms 19192 KB Output is correct
24 Correct 19 ms 19064 KB Output is correct
25 Correct 20 ms 19064 KB Output is correct
26 Correct 20 ms 19064 KB Output is correct
27 Correct 19 ms 19064 KB Output is correct
28 Correct 19 ms 19064 KB Output is correct
29 Correct 19 ms 19112 KB Output is correct
30 Correct 19 ms 19132 KB Output is correct
31 Correct 19 ms 19064 KB Output is correct
32 Correct 20 ms 19192 KB Output is correct
33 Correct 19 ms 19192 KB Output is correct
34 Correct 17 ms 19068 KB Output is correct
35 Correct 19 ms 19068 KB Output is correct
36 Correct 17 ms 19192 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 19064 KB Output is correct
2 Correct 19 ms 19192 KB Output is correct
3 Correct 19 ms 19064 KB Output is correct
4 Correct 19 ms 19064 KB Output is correct
5 Correct 19 ms 19064 KB Output is correct
6 Correct 19 ms 19164 KB Output is correct
7 Correct 19 ms 19064 KB Output is correct
8 Correct 19 ms 19064 KB Output is correct
9 Correct 19 ms 19064 KB Output is correct
10 Correct 20 ms 19196 KB Output is correct
11 Correct 19 ms 19080 KB Output is correct
12 Correct 19 ms 19064 KB Output is correct
13 Correct 19 ms 19064 KB Output is correct
14 Correct 19 ms 19064 KB Output is correct
15 Correct 19 ms 19064 KB Output is correct
16 Correct 19 ms 19064 KB Output is correct
17 Correct 20 ms 19192 KB Output is correct
18 Correct 20 ms 19192 KB Output is correct
19 Correct 19 ms 19192 KB Output is correct
20 Correct 29 ms 19960 KB Output is correct
21 Correct 29 ms 19960 KB Output is correct
22 Correct 124 ms 26968 KB Output is correct
23 Correct 113 ms 26872 KB Output is correct
24 Correct 121 ms 26864 KB Output is correct
25 Correct 134 ms 31480 KB Output is correct
26 Correct 122 ms 26872 KB Output is correct
27 Correct 111 ms 26584 KB Output is correct
28 Correct 135 ms 31564 KB Output is correct
29 Correct 135 ms 31480 KB Output is correct
30 Correct 136 ms 31592 KB Output is correct
31 Correct 122 ms 26912 KB Output is correct
32 Correct 135 ms 31548 KB Output is correct
33 Correct 134 ms 31352 KB Output is correct
34 Correct 136 ms 31580 KB Output is correct
35 Correct 19 ms 19064 KB Output is correct
36 Correct 19 ms 19064 KB Output is correct
37 Correct 136 ms 31480 KB Output is correct
38 Correct 136 ms 31572 KB Output is correct
39 Correct 144 ms 31580 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 19192 KB Output is correct
2 Correct 19 ms 19120 KB Output is correct
3 Correct 19 ms 19064 KB Output is correct
4 Correct 19 ms 19064 KB Output is correct
5 Correct 142 ms 31528 KB Output is correct
6 Correct 176 ms 31444 KB Output is correct
7 Correct 142 ms 31568 KB Output is correct
8 Correct 132 ms 31480 KB Output is correct
9 Correct 142 ms 31480 KB Output is correct
10 Correct 146 ms 31480 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 19064 KB Output is correct
2 Correct 19 ms 19192 KB Output is correct
3 Correct 19 ms 19064 KB Output is correct
4 Correct 19 ms 19076 KB Output is correct
5 Correct 21 ms 19132 KB Output is correct
6 Correct 19 ms 19196 KB Output is correct
7 Correct 19 ms 19064 KB Output is correct
8 Correct 19 ms 19192 KB Output is correct
9 Correct 19 ms 19192 KB Output is correct
10 Correct 20 ms 19200 KB Output is correct
11 Correct 19 ms 19064 KB Output is correct
12 Correct 19 ms 19196 KB Output is correct
13 Correct 19 ms 19192 KB Output is correct
14 Correct 19 ms 19192 KB Output is correct
15 Correct 19 ms 19192 KB Output is correct
16 Correct 19 ms 19064 KB Output is correct
17 Correct 19 ms 19192 KB Output is correct
18 Correct 19 ms 19192 KB Output is correct
19 Correct 19 ms 19064 KB Output is correct
20 Correct 19 ms 19096 KB Output is correct
21 Correct 19 ms 19192 KB Output is correct
22 Correct 20 ms 19152 KB Output is correct
23 Correct 20 ms 19192 KB Output is correct
24 Correct 19 ms 19064 KB Output is correct
25 Correct 20 ms 19064 KB Output is correct
26 Correct 20 ms 19064 KB Output is correct
27 Correct 19 ms 19064 KB Output is correct
28 Correct 19 ms 19064 KB Output is correct
29 Correct 19 ms 19112 KB Output is correct
30 Correct 19 ms 19132 KB Output is correct
31 Correct 19 ms 19064 KB Output is correct
32 Correct 20 ms 19192 KB Output is correct
33 Correct 19 ms 19192 KB Output is correct
34 Correct 17 ms 19068 KB Output is correct
35 Correct 19 ms 19068 KB Output is correct
36 Correct 17 ms 19192 KB Output is correct
37 Correct 19 ms 19064 KB Output is correct
38 Correct 19 ms 19044 KB Output is correct
39 Correct 20 ms 19064 KB Output is correct
40 Correct 20 ms 19192 KB Output is correct
41 Correct 21 ms 19192 KB Output is correct
42 Correct 20 ms 19164 KB Output is correct
43 Correct 20 ms 19192 KB Output is correct
44 Correct 20 ms 19352 KB Output is correct
45 Correct 20 ms 19320 KB Output is correct
46 Correct 18 ms 19192 KB Output is correct
47 Correct 20 ms 19188 KB Output is correct
48 Correct 20 ms 19192 KB Output is correct
49 Correct 20 ms 19192 KB Output is correct
50 Correct 20 ms 19232 KB Output is correct
51 Correct 20 ms 19192 KB Output is correct
52 Correct 20 ms 19192 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 19064 KB Output is correct
2 Correct 19 ms 19192 KB Output is correct
3 Correct 19 ms 19064 KB Output is correct
4 Correct 19 ms 19076 KB Output is correct
5 Correct 21 ms 19132 KB Output is correct
6 Correct 19 ms 19196 KB Output is correct
7 Correct 19 ms 19064 KB Output is correct
8 Correct 19 ms 19192 KB Output is correct
9 Correct 19 ms 19192 KB Output is correct
10 Correct 20 ms 19200 KB Output is correct
11 Correct 19 ms 19064 KB Output is correct
12 Correct 19 ms 19196 KB Output is correct
13 Correct 19 ms 19192 KB Output is correct
14 Correct 19 ms 19192 KB Output is correct
15 Correct 19 ms 19192 KB Output is correct
16 Correct 19 ms 19064 KB Output is correct
17 Correct 19 ms 19192 KB Output is correct
18 Correct 19 ms 19192 KB Output is correct
19 Correct 19 ms 19064 KB Output is correct
20 Correct 19 ms 19096 KB Output is correct
21 Correct 19 ms 19192 KB Output is correct
22 Correct 20 ms 19152 KB Output is correct
23 Correct 20 ms 19192 KB Output is correct
24 Correct 19 ms 19064 KB Output is correct
25 Correct 20 ms 19064 KB Output is correct
26 Correct 20 ms 19064 KB Output is correct
27 Correct 19 ms 19064 KB Output is correct
28 Correct 19 ms 19064 KB Output is correct
29 Correct 19 ms 19112 KB Output is correct
30 Correct 19 ms 19132 KB Output is correct
31 Correct 19 ms 19064 KB Output is correct
32 Correct 20 ms 19192 KB Output is correct
33 Correct 19 ms 19192 KB Output is correct
34 Correct 17 ms 19068 KB Output is correct
35 Correct 19 ms 19068 KB Output is correct
36 Correct 17 ms 19192 KB Output is correct
37 Correct 19 ms 19064 KB Output is correct
38 Correct 19 ms 19064 KB Output is correct
39 Correct 19 ms 19064 KB Output is correct
40 Correct 19 ms 19164 KB Output is correct
41 Correct 19 ms 19064 KB Output is correct
42 Correct 19 ms 19064 KB Output is correct
43 Correct 19 ms 19064 KB Output is correct
44 Correct 20 ms 19196 KB Output is correct
45 Correct 19 ms 19080 KB Output is correct
46 Correct 19 ms 19064 KB Output is correct
47 Correct 19 ms 19064 KB Output is correct
48 Correct 19 ms 19064 KB Output is correct
49 Correct 19 ms 19064 KB Output is correct
50 Correct 19 ms 19064 KB Output is correct
51 Correct 20 ms 19192 KB Output is correct
52 Correct 20 ms 19192 KB Output is correct
53 Correct 19 ms 19192 KB Output is correct
54 Correct 29 ms 19960 KB Output is correct
55 Correct 29 ms 19960 KB Output is correct
56 Correct 124 ms 26968 KB Output is correct
57 Correct 113 ms 26872 KB Output is correct
58 Correct 121 ms 26864 KB Output is correct
59 Correct 134 ms 31480 KB Output is correct
60 Correct 122 ms 26872 KB Output is correct
61 Correct 111 ms 26584 KB Output is correct
62 Correct 135 ms 31564 KB Output is correct
63 Correct 135 ms 31480 KB Output is correct
64 Correct 136 ms 31592 KB Output is correct
65 Correct 122 ms 26912 KB Output is correct
66 Correct 135 ms 31548 KB Output is correct
67 Correct 134 ms 31352 KB Output is correct
68 Correct 136 ms 31580 KB Output is correct
69 Correct 19 ms 19064 KB Output is correct
70 Correct 19 ms 19064 KB Output is correct
71 Correct 136 ms 31480 KB Output is correct
72 Correct 136 ms 31572 KB Output is correct
73 Correct 144 ms 31580 KB Output is correct
74 Correct 19 ms 19192 KB Output is correct
75 Correct 19 ms 19120 KB Output is correct
76 Correct 19 ms 19064 KB Output is correct
77 Correct 19 ms 19064 KB Output is correct
78 Correct 142 ms 31528 KB Output is correct
79 Correct 176 ms 31444 KB Output is correct
80 Correct 142 ms 31568 KB Output is correct
81 Correct 132 ms 31480 KB Output is correct
82 Correct 142 ms 31480 KB Output is correct
83 Correct 146 ms 31480 KB Output is correct
84 Correct 19 ms 19064 KB Output is correct
85 Correct 19 ms 19044 KB Output is correct
86 Correct 20 ms 19064 KB Output is correct
87 Correct 20 ms 19192 KB Output is correct
88 Correct 21 ms 19192 KB Output is correct
89 Correct 20 ms 19164 KB Output is correct
90 Correct 20 ms 19192 KB Output is correct
91 Correct 20 ms 19352 KB Output is correct
92 Correct 20 ms 19320 KB Output is correct
93 Correct 18 ms 19192 KB Output is correct
94 Correct 20 ms 19188 KB Output is correct
95 Correct 20 ms 19192 KB Output is correct
96 Correct 20 ms 19192 KB Output is correct
97 Correct 20 ms 19232 KB Output is correct
98 Correct 20 ms 19192 KB Output is correct
99 Correct 20 ms 19192 KB Output is correct
100 Correct 20 ms 19192 KB Output is correct
101 Correct 32 ms 20236 KB Output is correct
102 Correct 32 ms 20108 KB Output is correct
103 Correct 229 ms 29176 KB Output is correct
104 Correct 130 ms 26744 KB Output is correct
105 Correct 146 ms 26964 KB Output is correct
106 Correct 141 ms 31480 KB Output is correct
107 Correct 132 ms 26844 KB Output is correct
108 Correct 124 ms 26744 KB Output is correct
109 Correct 133 ms 31608 KB Output is correct
110 Correct 135 ms 31608 KB Output is correct
111 Correct 142 ms 31480 KB Output is correct
112 Correct 188 ms 30432 KB Output is correct
113 Correct 194 ms 31552 KB Output is correct
114 Correct 145 ms 31648 KB Output is correct
115 Correct 145 ms 31452 KB Output is correct