oj.uz

Submission #1031029

# Submission time Handle Problem Language Result Execution time Memory
1031029 2024-07-22T13:42:50 Z Maite_Morale Arranging Shoes (IOI19_shoes) C++14
100 / 100
 544 ms 190672 KB 
#include <cstdio>
#include <cassert>
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define vll vector<ll>


struct ABI{
	vll sum;
	ABI(ll n){
		sum.assign(n*2+5,0);
	}
	void update(ll a,ll b){
		for(a;a<sum.size();a+=(a&-a))sum[a]+=b;
	}
	ll query(ll a){
		ll r=0;
		for(a;a>0;a-=(a&-a))r+=sum[a];
	return r;
	}
};
long long count_swaps(std::vector<int> s){
	ll c=0;vll a(s.size()+50,0);
	map<ll,ll> mp;vector<queue<int>> v={};
	for(int i=0;i<s.size();i++){
		s[i]*=-1;
		if(mp[s[i]]==0){
			v.push_back({});
			c++;mp[s[i]]=c;
		}
		v[mp[s[i]]-1].push(i+1);
	}
	ABI abi(s.size()+5);ll r=0;
	for(int i=1;i<=s.size();i++){
		ll d=s[i-1];
		//cerr<<d<<": ";
		if(v[mp[d]-1].size()!=0 && a[i-1]==0){
		//	cerr<<"^\n";
			if(d<0)r+=1;
			abi.update(v[mp[-d]-1].front(),1);
			abi.update(v[mp[ d]-1].front(),1);
			r+=v[mp[-d]-1].front()-abi.query(v[mp[-d]-1].front());
			a[v[mp[-d]-1].front()-1]=a[i-1]=1;
			v[mp[-d]-1].pop();
			v[mp[ d]-1].pop();
		}
		//cerr<<r<<"\n";
	}
return r;
}

Compilation message

shoes.cpp: In member function 'void ABI::update(ll, ll)':
shoes.cpp:15:7: warning: statement has no effect [-Wunused-value]
   15 |   for(a;a<sum.size();a+=(a&-a))sum[a]+=b;
      |       ^
shoes.cpp:15:10: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |   for(a;a<sum.size();a+=(a&-a))sum[a]+=b;
      |         ~^~~~~~~~~~~
shoes.cpp: In member function 'll ABI::query(ll)':
shoes.cpp:19:7: warning: statement has no effect [-Wunused-value]
   19 |   for(a;a>0;a-=(a&-a))r+=sum[a];
      |       ^
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:26:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~
shoes.cpp:35:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |  for(int i=1;i<=s.size();i++){
      |              ~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 1 ms 440 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 3 ms 1128 KB Output is correct
21 Correct 3 ms 1116 KB Output is correct
22 Correct 26 ms 8760 KB Output is correct
23 Correct 21 ms 8792 KB Output is correct
24 Correct 26 ms 8792 KB Output is correct
25 Correct 22 ms 8540 KB Output is correct
26 Correct 26 ms 8788 KB Output is correct
27 Correct 20 ms 8508 KB Output is correct
28 Correct 23 ms 8640 KB Output is correct
29 Correct 22 ms 8636 KB Output is correct
30 Correct 24 ms 8652 KB Output is correct
31 Correct 26 ms 8792 KB Output is correct
32 Correct 24 ms 8796 KB Output is correct
33 Correct 28 ms 8540 KB Output is correct
34 Correct 30 ms 8640 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 23 ms 8796 KB Output is correct
38 Correct 30 ms 8756 KB Output is correct
39 Correct 24 ms 8796 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 474 ms 190672 KB Output is correct
6 Correct 162 ms 27880 KB Output is correct
7 Correct 445 ms 189904 KB Output is correct
8 Correct 26 ms 8764 KB Output is correct
9 Correct 525 ms 189916 KB Output is correct
10 Correct 333 ms 97240 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 1 ms 440 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 3 ms 1884 KB Output is correct
42 Correct 2 ms 1992 KB Output is correct
43 Correct 3 ms 1980 KB Output is correct
44 Correct 2 ms 1884 KB Output is correct
45 Correct 2 ms 1884 KB Output is correct
46 Correct 2 ms 1884 KB Output is correct
47 Correct 2 ms 1116 KB Output is correct
48 Correct 3 ms 1116 KB Output is correct
49 Correct 1 ms 860 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 3 ms 1884 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 1 ms 440 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 3 ms 1128 KB Output is correct
55 Correct 3 ms 1116 KB Output is correct
56 Correct 26 ms 8760 KB Output is correct
57 Correct 21 ms 8792 KB Output is correct
58 Correct 26 ms 8792 KB Output is correct
59 Correct 22 ms 8540 KB Output is correct
60 Correct 26 ms 8788 KB Output is correct
61 Correct 20 ms 8508 KB Output is correct
62 Correct 23 ms 8640 KB Output is correct
63 Correct 22 ms 8636 KB Output is correct
64 Correct 24 ms 8652 KB Output is correct
65 Correct 26 ms 8792 KB Output is correct
66 Correct 24 ms 8796 KB Output is correct
67 Correct 28 ms 8540 KB Output is correct
68 Correct 30 ms 8640 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 23 ms 8796 KB Output is correct
72 Correct 30 ms 8756 KB Output is correct
73 Correct 24 ms 8796 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 1 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 474 ms 190672 KB Output is correct
79 Correct 162 ms 27880 KB Output is correct
80 Correct 445 ms 189904 KB Output is correct
81 Correct 26 ms 8764 KB Output is correct
82 Correct 525 ms 189916 KB Output is correct
83 Correct 333 ms 97240 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 3 ms 1884 KB Output is correct
89 Correct 2 ms 1992 KB Output is correct
90 Correct 3 ms 1980 KB Output is correct
91 Correct 2 ms 1884 KB Output is correct
92 Correct 2 ms 1884 KB Output is correct
93 Correct 2 ms 1884 KB Output is correct
94 Correct 2 ms 1116 KB Output is correct
95 Correct 3 ms 1116 KB Output is correct
96 Correct 1 ms 860 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 3 ms 1884 KB Output is correct
100 Correct 3 ms 1880 KB Output is correct
101 Correct 36 ms 23872 KB Output is correct
102 Correct 15 ms 4036 KB Output is correct
103 Correct 519 ms 190252 KB Output is correct
104 Correct 449 ms 189900 KB Output is correct
105 Correct 418 ms 97236 KB Output is correct
106 Correct 544 ms 189904 KB Output is correct
107 Correct 167 ms 27888 KB Output is correct
108 Correct 226 ms 51320 KB Output is correct
109 Correct 26 ms 8792 KB Output is correct
110 Correct 24 ms 8624 KB Output is correct
111 Correct 536 ms 190264 KB Output is correct
112 Correct 512 ms 190012 KB Output is correct
113 Correct 215 ms 27816 KB Output is correct
114 Correct 519 ms 190072 KB Output is correct
115 Correct 510 ms 190072 KB Output is correct