oj.uz

답안 #154212

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
154212 2019-09-19T10:28:03 Z RafaelSus Arranging Shoes (IOI19_shoes) C++14
100 / 100
 855 ms 152184 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <deque>
#include <map>

using namespace std;
const int maxn = 2e5 + 5;

long long T[maxn*4];

void update (int v, int tl, int tr, int pos, int val){
	if(tl == tr){
		T[v] += val;
		return;
	}
	int tm = (tl + tr) >> 1;
	if(pos <= tm)
		update(v + v, tl, tm, pos, val);
	else
		update(v + v +1, tm + 1, tr, pos, val);
	T[v] = T[v + v] + T[v + v + 1];
}


long long get(int v, int tl, int tr, int l, int r){
	if(l > r) return 0ll;
	if(tl == l && tr == r){
		return T[v];
	}
	int tm = (tl + tr) >> 1;
	return get(v + v, tl, tm, l, min (r, tm)) + get(v + v + 1, tm + 1, tr, max(l, tm + 1), r);

}

map <int, deque<int>> pos;

long long count_swaps(vector<int> S){
	for(int i = 0; i < S.size(); i++){
		pos[S[i]].push_back(i);
	}

	long long swaps = 0ll;
	vector <int> ok(S.size(), 0);

	for(int i = 0; i < S.size(); i++){
		if(ok[i])continue;
		deque <int>&NegPos = pos[-S[i]];
		int negPos = NegPos.front();
		pos[S[i]].pop_front();
		NegPos.pop_front();
		swaps += negPos - get(1, 0, S.size()-1, i, negPos) - i;
		update(1, 0, S.size() - 1, negPos, 1);
		ok[negPos] = 1;
		if(S[i] < 0)
			swaps--;
	}
	return swaps;
}

#ifdef RAFFF

int main(){
	vector <int> a(4);
	a[0] = 2; a[1] = 1; a[2] = -1; a[3] = -2;
	int i;
	cout << count_swaps(a) << '\n';
	cin >> i;
    return 0;
}
#endif

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < S.size(); i++){
                 ~~^~~~~~~~~~
shoes.cpp:46:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < S.size(); i++){
                 ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 276 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 360 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 252 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 9 ms 1272 KB Output is correct
21 Correct 9 ms 1272 KB Output is correct
22 Correct 74 ms 8824 KB Output is correct
23 Correct 63 ms 8824 KB Output is correct
24 Correct 69 ms 8824 KB Output is correct
25 Correct 70 ms 6656 KB Output is correct
26 Correct 72 ms 8900 KB Output is correct
27 Correct 62 ms 8696 KB Output is correct
28 Correct 71 ms 6904 KB Output is correct
29 Correct 71 ms 6876 KB Output is correct
30 Correct 71 ms 6936 KB Output is correct
31 Correct 73 ms 8996 KB Output is correct
32 Correct 71 ms 6828 KB Output is correct
33 Correct 73 ms 6652 KB Output is correct
34 Correct 72 ms 6856 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 70 ms 6904 KB Output is correct
38 Correct 71 ms 6900 KB Output is correct
39 Correct 71 ms 7032 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 635 ms 150180 KB Output is correct
6 Correct 202 ms 18680 KB Output is correct
7 Correct 666 ms 150164 KB Output is correct
8 Correct 78 ms 6928 KB Output is correct
9 Correct 855 ms 150092 KB Output is correct
10 Correct 461 ms 78076 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 276 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 360 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 3 ms 632 KB Output is correct
41 Correct 6 ms 1784 KB Output is correct
42 Correct 1 ms 1656 KB Output is correct
43 Correct 5 ms 1656 KB Output is correct
44 Correct 5 ms 1400 KB Output is correct
45 Correct 4 ms 1400 KB Output is correct
46 Correct 4 ms 1144 KB Output is correct
47 Correct 4 ms 1016 KB Output is correct
48 Correct 4 ms 888 KB Output is correct
49 Correct 3 ms 632 KB Output is correct
50 Correct 3 ms 352 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 5 ms 1784 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 276 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 360 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 2 ms 252 KB Output is correct
43 Correct 2 ms 252 KB Output is correct
44 Correct 2 ms 256 KB Output is correct
45 Correct 2 ms 348 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 256 KB Output is correct
48 Correct 2 ms 256 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 9 ms 1272 KB Output is correct
55 Correct 9 ms 1272 KB Output is correct
56 Correct 74 ms 8824 KB Output is correct
57 Correct 63 ms 8824 KB Output is correct
58 Correct 69 ms 8824 KB Output is correct
59 Correct 70 ms 6656 KB Output is correct
60 Correct 72 ms 8900 KB Output is correct
61 Correct 62 ms 8696 KB Output is correct
62 Correct 71 ms 6904 KB Output is correct
63 Correct 71 ms 6876 KB Output is correct
64 Correct 71 ms 6936 KB Output is correct
65 Correct 73 ms 8996 KB Output is correct
66 Correct 71 ms 6828 KB Output is correct
67 Correct 73 ms 6652 KB Output is correct
68 Correct 72 ms 6856 KB Output is correct
69 Correct 2 ms 256 KB Output is correct
70 Correct 2 ms 256 KB Output is correct
71 Correct 70 ms 6904 KB Output is correct
72 Correct 71 ms 6900 KB Output is correct
73 Correct 71 ms 7032 KB Output is correct
74 Correct 2 ms 256 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 256 KB Output is correct
78 Correct 635 ms 150180 KB Output is correct
79 Correct 202 ms 18680 KB Output is correct
80 Correct 666 ms 150164 KB Output is correct
81 Correct 78 ms 6928 KB Output is correct
82 Correct 855 ms 150092 KB Output is correct
83 Correct 461 ms 78076 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 376 KB Output is correct
86 Correct 2 ms 504 KB Output is correct
87 Correct 3 ms 632 KB Output is correct
88 Correct 6 ms 1784 KB Output is correct
89 Correct 1 ms 1656 KB Output is correct
90 Correct 5 ms 1656 KB Output is correct
91 Correct 5 ms 1400 KB Output is correct
92 Correct 4 ms 1400 KB Output is correct
93 Correct 4 ms 1144 KB Output is correct
94 Correct 4 ms 1016 KB Output is correct
95 Correct 4 ms 888 KB Output is correct
96 Correct 3 ms 632 KB Output is correct
97 Correct 3 ms 352 KB Output is correct
98 Correct 3 ms 376 KB Output is correct
99 Correct 5 ms 1784 KB Output is correct
100 Correct 5 ms 1784 KB Output is correct
101 Correct 48 ms 14200 KB Output is correct
102 Correct 21 ms 4088 KB Output is correct
103 Correct 746 ms 152184 KB Output is correct
104 Correct 700 ms 152108 KB Output is correct
105 Correct 728 ms 89976 KB Output is correct
106 Correct 713 ms 150252 KB Output is correct
107 Correct 273 ms 24184 KB Output is correct
108 Correct 326 ms 40028 KB Output is correct
109 Correct 74 ms 6904 KB Output is correct
110 Correct 73 ms 6904 KB Output is correct
111 Correct 594 ms 134264 KB Output is correct
112 Correct 619 ms 120132 KB Output is correct
113 Correct 258 ms 23800 KB Output is correct
114 Correct 626 ms 150008 KB Output is correct
115 Correct 661 ms 150136 KB Output is correct