oj.uz

답안 #211179

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
211179 2020-03-19T11:12:10 Z lyh Arranging Shoes (IOI19_shoes) C++14
100 / 100
 232 ms 140408 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

const int maxn= 2e5 + 10;
const int n= 1e5 + 1;
bool vis[maxn];
queue< int > q[maxn];
long long bit[maxn];
vector< int > v;
int lowbit(int a) {
	return a & (-a);
}
void modify(int a, int x) {
	while(a <= maxn) {
		bit[a]+= x;
		a+= lowbit(a);
	}
}
long long query(int a) {
	long long res= 0;
	while(a > 0) {
		res+= bit[a];
		a-= lowbit(a);
	}
	return res;
}
long long count_swaps(std::vector< int > s) {
	long long tot= 0;
	for(int i= 0; i < s.size(); i++) {
		q[s[i] + n].push(i + 1);
		modify(i + 1, 1);
	}
	for(int i= 0; i < s.size(); i++) {
		if(vis[i + 1]) continue;
		int cnt= s[i];
		int y= q[-s[i] + n].front();
		q[s[i] + n].pop();
		q[-s[i] + n].pop();
		tot+= query(y - 1) - query(i + 1);
		modify(i + 1, -1);
		modify(y, -1);
		vis[i + 1]= 1;
		vis[y]= 1;
		if(cnt > 0) tot++;
	}
	return tot;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i= 0; i < s.size(); i++) {
                ~~^~~~~~~~~~
shoes.cpp:34:18: 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 102 ms 135036 KB Output is correct
2 Correct 90 ms 135032 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 102 ms 135036 KB Output is correct
2 Correct 90 ms 135032 KB Output is correct
3 Correct 91 ms 135032 KB Output is correct
4 Correct 92 ms 135032 KB Output is correct
5 Correct 100 ms 135032 KB Output is correct
6 Correct 96 ms 135032 KB Output is correct
7 Correct 93 ms 134980 KB Output is correct
8 Correct 92 ms 135032 KB Output is correct
9 Correct 92 ms 135032 KB Output is correct
10 Correct 94 ms 135032 KB Output is correct
11 Correct 96 ms 135032 KB Output is correct
12 Correct 97 ms 135032 KB Output is correct
13 Correct 90 ms 135032 KB Output is correct
14 Correct 91 ms 135032 KB Output is correct
15 Correct 92 ms 135160 KB Output is correct
16 Correct 90 ms 135032 KB Output is correct
17 Correct 94 ms 135036 KB Output is correct
18 Correct 93 ms 135080 KB Output is correct
19 Correct 96 ms 135032 KB Output is correct
20 Correct 95 ms 135032 KB Output is correct
21 Correct 90 ms 135032 KB Output is correct
22 Correct 92 ms 135032 KB Output is correct
23 Correct 93 ms 135032 KB Output is correct
24 Correct 95 ms 135032 KB Output is correct
25 Correct 90 ms 135032 KB Output is correct
26 Correct 94 ms 135036 KB Output is correct
27 Correct 94 ms 135032 KB Output is correct
28 Correct 100 ms 135032 KB Output is correct
29 Correct 101 ms 135032 KB Output is correct
30 Correct 90 ms 135032 KB Output is correct
31 Correct 93 ms 135032 KB Output is correct
32 Correct 91 ms 135032 KB Output is correct
33 Correct 92 ms 135032 KB Output is correct
34 Correct 92 ms 135032 KB Output is correct
35 Correct 92 ms 135032 KB Output is correct
36 Correct 98 ms 135032 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 102 ms 135036 KB Output is correct
2 Correct 90 ms 135032 KB Output is correct
3 Correct 92 ms 135032 KB Output is correct
4 Correct 98 ms 135032 KB Output is correct
5 Correct 92 ms 135032 KB Output is correct
6 Correct 92 ms 134976 KB Output is correct
7 Correct 91 ms 135032 KB Output is correct
8 Correct 93 ms 135032 KB Output is correct
9 Correct 92 ms 135032 KB Output is correct
10 Correct 94 ms 135032 KB Output is correct
11 Correct 92 ms 135032 KB Output is correct
12 Correct 96 ms 135032 KB Output is correct
13 Correct 96 ms 135032 KB Output is correct
14 Correct 94 ms 135032 KB Output is correct
15 Correct 92 ms 135032 KB Output is correct
16 Correct 93 ms 135032 KB Output is correct
17 Correct 98 ms 135032 KB Output is correct
18 Correct 97 ms 135036 KB Output is correct
19 Correct 94 ms 135032 KB Output is correct
20 Correct 100 ms 135544 KB Output is correct
21 Correct 102 ms 135544 KB Output is correct
22 Correct 144 ms 139768 KB Output is correct
23 Correct 142 ms 139384 KB Output is correct
24 Correct 141 ms 139384 KB Output is correct
25 Correct 134 ms 139384 KB Output is correct
26 Correct 142 ms 139384 KB Output is correct
27 Correct 139 ms 139384 KB Output is correct
28 Correct 137 ms 139512 KB Output is correct
29 Correct 139 ms 139472 KB Output is correct
30 Correct 141 ms 139384 KB Output is correct
31 Correct 144 ms 139384 KB Output is correct
32 Correct 140 ms 139384 KB Output is correct
33 Correct 134 ms 139384 KB Output is correct
34 Correct 155 ms 139472 KB Output is correct
35 Correct 92 ms 135032 KB Output is correct
36 Correct 96 ms 135032 KB Output is correct
37 Correct 137 ms 139384 KB Output is correct
38 Correct 139 ms 139384 KB Output is correct
39 Correct 141 ms 139384 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 99 ms 135032 KB Output is correct
2 Correct 93 ms 135032 KB Output is correct
3 Correct 103 ms 135032 KB Output is correct
4 Correct 93 ms 135032 KB Output is correct
5 Correct 176 ms 139000 KB Output is correct
6 Correct 152 ms 139000 KB Output is correct
7 Correct 183 ms 138872 KB Output is correct
8 Correct 142 ms 139768 KB Output is correct
9 Correct 181 ms 138616 KB Output is correct
10 Correct 191 ms 138616 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 102 ms 135036 KB Output is correct
2 Correct 90 ms 135032 KB Output is correct
3 Correct 91 ms 135032 KB Output is correct
4 Correct 92 ms 135032 KB Output is correct
5 Correct 100 ms 135032 KB Output is correct
6 Correct 96 ms 135032 KB Output is correct
7 Correct 93 ms 134980 KB Output is correct
8 Correct 92 ms 135032 KB Output is correct
9 Correct 92 ms 135032 KB Output is correct
10 Correct 94 ms 135032 KB Output is correct
11 Correct 96 ms 135032 KB Output is correct
12 Correct 97 ms 135032 KB Output is correct
13 Correct 90 ms 135032 KB Output is correct
14 Correct 91 ms 135032 KB Output is correct
15 Correct 92 ms 135160 KB Output is correct
16 Correct 90 ms 135032 KB Output is correct
17 Correct 94 ms 135036 KB Output is correct
18 Correct 93 ms 135080 KB Output is correct
19 Correct 96 ms 135032 KB Output is correct
20 Correct 95 ms 135032 KB Output is correct
21 Correct 90 ms 135032 KB Output is correct
22 Correct 92 ms 135032 KB Output is correct
23 Correct 93 ms 135032 KB Output is correct
24 Correct 95 ms 135032 KB Output is correct
25 Correct 90 ms 135032 KB Output is correct
26 Correct 94 ms 135036 KB Output is correct
27 Correct 94 ms 135032 KB Output is correct
28 Correct 100 ms 135032 KB Output is correct
29 Correct 101 ms 135032 KB Output is correct
30 Correct 90 ms 135032 KB Output is correct
31 Correct 93 ms 135032 KB Output is correct
32 Correct 91 ms 135032 KB Output is correct
33 Correct 92 ms 135032 KB Output is correct
34 Correct 92 ms 135032 KB Output is correct
35 Correct 92 ms 135032 KB Output is correct
36 Correct 98 ms 135032 KB Output is correct
37 Correct 107 ms 135032 KB Output is correct
38 Correct 94 ms 135088 KB Output is correct
39 Correct 105 ms 135032 KB Output is correct
40 Correct 116 ms 135032 KB Output is correct
41 Correct 90 ms 135032 KB Output is correct
42 Correct 93 ms 135032 KB Output is correct
43 Correct 93 ms 135032 KB Output is correct
44 Correct 94 ms 135032 KB Output is correct
45 Correct 102 ms 135032 KB Output is correct
46 Correct 96 ms 135008 KB Output is correct
47 Correct 97 ms 135028 KB Output is correct
48 Correct 103 ms 135032 KB Output is correct
49 Correct 104 ms 135032 KB Output is correct
50 Correct 115 ms 135032 KB Output is correct
51 Correct 110 ms 135028 KB Output is correct
52 Correct 105 ms 135088 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 102 ms 135036 KB Output is correct
2 Correct 90 ms 135032 KB Output is correct
3 Correct 91 ms 135032 KB Output is correct
4 Correct 92 ms 135032 KB Output is correct
5 Correct 100 ms 135032 KB Output is correct
6 Correct 96 ms 135032 KB Output is correct
7 Correct 93 ms 134980 KB Output is correct
8 Correct 92 ms 135032 KB Output is correct
9 Correct 92 ms 135032 KB Output is correct
10 Correct 94 ms 135032 KB Output is correct
11 Correct 96 ms 135032 KB Output is correct
12 Correct 97 ms 135032 KB Output is correct
13 Correct 90 ms 135032 KB Output is correct
14 Correct 91 ms 135032 KB Output is correct
15 Correct 92 ms 135160 KB Output is correct
16 Correct 90 ms 135032 KB Output is correct
17 Correct 94 ms 135036 KB Output is correct
18 Correct 93 ms 135080 KB Output is correct
19 Correct 96 ms 135032 KB Output is correct
20 Correct 95 ms 135032 KB Output is correct
21 Correct 90 ms 135032 KB Output is correct
22 Correct 92 ms 135032 KB Output is correct
23 Correct 93 ms 135032 KB Output is correct
24 Correct 95 ms 135032 KB Output is correct
25 Correct 90 ms 135032 KB Output is correct
26 Correct 94 ms 135036 KB Output is correct
27 Correct 94 ms 135032 KB Output is correct
28 Correct 100 ms 135032 KB Output is correct
29 Correct 101 ms 135032 KB Output is correct
30 Correct 90 ms 135032 KB Output is correct
31 Correct 93 ms 135032 KB Output is correct
32 Correct 91 ms 135032 KB Output is correct
33 Correct 92 ms 135032 KB Output is correct
34 Correct 92 ms 135032 KB Output is correct
35 Correct 92 ms 135032 KB Output is correct
36 Correct 98 ms 135032 KB Output is correct
37 Correct 92 ms 135032 KB Output is correct
38 Correct 98 ms 135032 KB Output is correct
39 Correct 92 ms 135032 KB Output is correct
40 Correct 92 ms 134976 KB Output is correct
41 Correct 91 ms 135032 KB Output is correct
42 Correct 93 ms 135032 KB Output is correct
43 Correct 92 ms 135032 KB Output is correct
44 Correct 94 ms 135032 KB Output is correct
45 Correct 92 ms 135032 KB Output is correct
46 Correct 96 ms 135032 KB Output is correct
47 Correct 96 ms 135032 KB Output is correct
48 Correct 94 ms 135032 KB Output is correct
49 Correct 92 ms 135032 KB Output is correct
50 Correct 93 ms 135032 KB Output is correct
51 Correct 98 ms 135032 KB Output is correct
52 Correct 97 ms 135036 KB Output is correct
53 Correct 94 ms 135032 KB Output is correct
54 Correct 100 ms 135544 KB Output is correct
55 Correct 102 ms 135544 KB Output is correct
56 Correct 144 ms 139768 KB Output is correct
57 Correct 142 ms 139384 KB Output is correct
58 Correct 141 ms 139384 KB Output is correct
59 Correct 134 ms 139384 KB Output is correct
60 Correct 142 ms 139384 KB Output is correct
61 Correct 139 ms 139384 KB Output is correct
62 Correct 137 ms 139512 KB Output is correct
63 Correct 139 ms 139472 KB Output is correct
64 Correct 141 ms 139384 KB Output is correct
65 Correct 144 ms 139384 KB Output is correct
66 Correct 140 ms 139384 KB Output is correct
67 Correct 134 ms 139384 KB Output is correct
68 Correct 155 ms 139472 KB Output is correct
69 Correct 92 ms 135032 KB Output is correct
70 Correct 96 ms 135032 KB Output is correct
71 Correct 137 ms 139384 KB Output is correct
72 Correct 139 ms 139384 KB Output is correct
73 Correct 141 ms 139384 KB Output is correct
74 Correct 99 ms 135032 KB Output is correct
75 Correct 93 ms 135032 KB Output is correct
76 Correct 103 ms 135032 KB Output is correct
77 Correct 93 ms 135032 KB Output is correct
78 Correct 176 ms 139000 KB Output is correct
79 Correct 152 ms 139000 KB Output is correct
80 Correct 183 ms 138872 KB Output is correct
81 Correct 142 ms 139768 KB Output is correct
82 Correct 181 ms 138616 KB Output is correct
83 Correct 191 ms 138616 KB Output is correct
84 Correct 107 ms 135032 KB Output is correct
85 Correct 94 ms 135088 KB Output is correct
86 Correct 105 ms 135032 KB Output is correct
87 Correct 116 ms 135032 KB Output is correct
88 Correct 90 ms 135032 KB Output is correct
89 Correct 93 ms 135032 KB Output is correct
90 Correct 93 ms 135032 KB Output is correct
91 Correct 94 ms 135032 KB Output is correct
92 Correct 102 ms 135032 KB Output is correct
93 Correct 96 ms 135008 KB Output is correct
94 Correct 97 ms 135028 KB Output is correct
95 Correct 103 ms 135032 KB Output is correct
96 Correct 104 ms 135032 KB Output is correct
97 Correct 115 ms 135032 KB Output is correct
98 Correct 110 ms 135028 KB Output is correct
99 Correct 105 ms 135088 KB Output is correct
100 Correct 104 ms 134992 KB Output is correct
101 Correct 127 ms 135392 KB Output is correct
102 Correct 106 ms 135416 KB Output is correct
103 Correct 213 ms 139532 KB Output is correct
104 Correct 203 ms 139644 KB Output is correct
105 Correct 197 ms 139528 KB Output is correct
106 Correct 193 ms 139500 KB Output is correct
107 Correct 177 ms 139612 KB Output is correct
108 Correct 185 ms 139608 KB Output is correct
109 Correct 169 ms 140384 KB Output is correct
110 Correct 142 ms 140408 KB Output is correct
111 Correct 192 ms 139512 KB Output is correct
112 Correct 232 ms 139512 KB Output is correct
113 Correct 196 ms 139548 KB Output is correct
114 Correct 195 ms 139512 KB Output is correct
115 Correct 191 ms 139512 KB Output is correct