oj.uz

Submission #259194

# Submission time Handle Problem Language Result Execution time Memory
259194 2020-08-07T10:58:18 Z algorithm16 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 393 ms 28328 KB 
#include "shoes.h"
#include<iostream>
#include<map>
#include<vector>
using namespace std;
typedef long long int llint;
llint fwt[200005],bio[200005];
vector <int> v;
void update(int x,int v) {
	for(x;x<200005;x+=x&-x) fwt[x]+=v;
}
llint query(int x) {
	llint ret=0;
	for(x;x>0;x-=x&-x) ret+=fwt[x];
	return ret;
}
map <int,vector <int> > m;
long long count_swaps(std::vector<int> s) {
	llint ret=0;
	for(int i=s.size()-1;i>=0;i--) {
		m[s[i]].push_back(i);
		update(i+1,1);
	}
	for(int i=0;i<s.size();i++) {
		if(bio[i]) continue;
		int ind=m[-s[i]].back();
		m[-s[i]].pop_back();
		m[s[i]].pop_back();
		ret+=query(ind)-query(i)-1+(s[i]>0);
		bio[ind]=1;
		update(ind+1,-1);
		update(i+1,-1);
		//cout << ret << "\n";
	}
	return ret;
}
/*int main()
{
	int n;
	cin >> n;
	for(int i=0;i<n;i++) {
		int x;
		cin >> x;
		v.push_back(x);
	}
	cout << count_swaps(v);
	return 0;
}*/

Compilation message

shoes.cpp: In function 'void update(int, int)':
shoes.cpp:10:7: warning: statement has no effect [-Wunused-value]
  for(x;x<200005;x+=x&-x) fwt[x]+=v;
       ^
shoes.cpp: In function 'llint query(int)':
shoes.cpp:14:7: warning: statement has no effect [-Wunused-value]
  for(x;x>0;x-=x&-x) ret+=fwt[x];
       ^
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:24:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.size();i++) {
              ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 0 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 5 ms 1024 KB Output is correct
21 Correct 5 ms 1024 KB Output is correct
22 Correct 43 ms 7168 KB Output is correct
23 Correct 43 ms 7284 KB Output is correct
24 Correct 43 ms 7184 KB Output is correct
25 Correct 39 ms 6256 KB Output is correct
26 Correct 42 ms 7276 KB Output is correct
27 Correct 41 ms 7020 KB Output is correct
28 Correct 39 ms 6384 KB Output is correct
29 Correct 40 ms 6384 KB Output is correct
30 Correct 40 ms 6384 KB Output is correct
31 Correct 43 ms 7172 KB Output is correct
32 Correct 40 ms 6384 KB Output is correct
33 Correct 39 ms 6260 KB Output is correct
34 Correct 40 ms 6512 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 40 ms 6512 KB Output is correct
38 Correct 39 ms 6384 KB Output is correct
39 Correct 39 ms 6384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 323 ms 26104 KB Output is correct
6 Correct 125 ms 7160 KB Output is correct
7 Correct 316 ms 26104 KB Output is correct
8 Correct 43 ms 5172 KB Output is correct
9 Correct 313 ms 26192 KB Output is correct
10 Correct 259 ms 15184 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 0 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 3 ms 640 KB Output is correct
42 Correct 2 ms 640 KB Output is correct
43 Correct 2 ms 640 KB Output is correct
44 Correct 2 ms 512 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 2 ms 640 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 0 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 0 ms 384 KB Output is correct
41 Correct 1 ms 384 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 0 ms 384 KB Output is correct
45 Correct 0 ms 384 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 0 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 384 KB Output is correct
53 Correct 1 ms 384 KB Output is correct
54 Correct 5 ms 1024 KB Output is correct
55 Correct 5 ms 1024 KB Output is correct
56 Correct 43 ms 7168 KB Output is correct
57 Correct 43 ms 7284 KB Output is correct
58 Correct 43 ms 7184 KB Output is correct
59 Correct 39 ms 6256 KB Output is correct
60 Correct 42 ms 7276 KB Output is correct
61 Correct 41 ms 7020 KB Output is correct
62 Correct 39 ms 6384 KB Output is correct
63 Correct 40 ms 6384 KB Output is correct
64 Correct 40 ms 6384 KB Output is correct
65 Correct 43 ms 7172 KB Output is correct
66 Correct 40 ms 6384 KB Output is correct
67 Correct 39 ms 6260 KB Output is correct
68 Correct 40 ms 6512 KB Output is correct
69 Correct 0 ms 384 KB Output is correct
70 Correct 0 ms 384 KB Output is correct
71 Correct 40 ms 6512 KB Output is correct
72 Correct 39 ms 6384 KB Output is correct
73 Correct 39 ms 6384 KB Output is correct
74 Correct 0 ms 384 KB Output is correct
75 Correct 0 ms 384 KB Output is correct
76 Correct 0 ms 384 KB Output is correct
77 Correct 0 ms 384 KB Output is correct
78 Correct 323 ms 26104 KB Output is correct
79 Correct 125 ms 7160 KB Output is correct
80 Correct 316 ms 26104 KB Output is correct
81 Correct 43 ms 5172 KB Output is correct
82 Correct 313 ms 26192 KB Output is correct
83 Correct 259 ms 15184 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 0 ms 384 KB Output is correct
86 Correct 0 ms 384 KB Output is correct
87 Correct 1 ms 384 KB Output is correct
88 Correct 3 ms 640 KB Output is correct
89 Correct 2 ms 640 KB Output is correct
90 Correct 2 ms 640 KB Output is correct
91 Correct 2 ms 512 KB Output is correct
92 Correct 2 ms 512 KB Output is correct
93 Correct 1 ms 512 KB Output is correct
94 Correct 1 ms 512 KB Output is correct
95 Correct 1 ms 512 KB Output is correct
96 Correct 1 ms 512 KB Output is correct
97 Correct 1 ms 384 KB Output is correct
98 Correct 1 ms 384 KB Output is correct
99 Correct 2 ms 640 KB Output is correct
100 Correct 2 ms 640 KB Output is correct
101 Correct 18 ms 2944 KB Output is correct
102 Correct 12 ms 1408 KB Output is correct
103 Correct 393 ms 28328 KB Output is correct
104 Correct 292 ms 28124 KB Output is correct
105 Correct 308 ms 18680 KB Output is correct
106 Correct 366 ms 27512 KB Output is correct
107 Correct 139 ms 9592 KB Output is correct
108 Correct 146 ms 11896 KB Output is correct
109 Correct 43 ms 6448 KB Output is correct
110 Correct 40 ms 6384 KB Output is correct
111 Correct 293 ms 24936 KB Output is correct
112 Correct 330 ms 23288 KB Output is correct
113 Correct 143 ms 9080 KB Output is correct
114 Correct 305 ms 27384 KB Output is correct
115 Correct 303 ms 27384 KB Output is correct