oj.uz

Submission #609370

# Submission time Handle Problem Language Result Execution time Memory
609370 2022-07-27T14:28:30 Z nyaruhodo Arranging Shoes (IOI19_shoes) C++14
100 / 100
 151 ms 15660 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

// segtree or pbds ig
vector<ll> seg;

void psh(ll v){
	seg[v*2] += seg[v];
	seg[v*2+1] += seg[v];
	seg[v]=0;
}

void update(ll v,ll l,ll r,ll tl,ll tr){
	if(l > r) return;
	if(tl==l && tr == r) {
		seg[v]++;
		return;
	}

	ll tm=(tl+tr)/2;
	update(v*2,l,min(r,tm),tl,tm);
	update(v*2+1,max(l,tm+1),r,tm+1,tr);	
}

ll query(ll v,ll tl,ll tr,ll s){
	if(tl==tr && tl==s) return seg[v];
	psh(v);
	ll tm=(tl+tr)/2;
	if(s <= tm)	return query(v*2,tl,tm,s);
	else return query(v*2+1,tm+1,tr,s);
}



long long count_swaps(std::vector<int> s) {
	set<pair<ll,ll>> st; // val, pos
	ll cnt=0,n=s.size();
	seg.resize(4*(n+10),0);

	for(ll i = 0;i < s.size();i++){
		auto lb = st.lower_bound({-s[i],-1});
		if(lb == st.end() || lb->first!=-s[i]){
			st.insert({s[i],i});
			continue;
		}

		auto p = *lb;
		st.erase(lb);
		ll add = query(1,1,n,p.second+1);
		cnt+=i-(p.second+add)-1;
		update(1,p.second+1,i+1,1,n);
		if(s[i]<0) cnt++;
	}

	return cnt;
}

/*


*/

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:43:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |  for(ll i = 0;i < s.size();i++){
      |               ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 300 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 300 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 216 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 388 KB Output is correct
20 Correct 6 ms 1204 KB Output is correct
21 Correct 6 ms 1108 KB Output is correct
22 Correct 56 ms 9388 KB Output is correct
23 Correct 44 ms 9388 KB Output is correct
24 Correct 65 ms 9400 KB Output is correct
25 Correct 84 ms 15404 KB Output is correct
26 Correct 56 ms 9380 KB Output is correct
27 Correct 43 ms 9140 KB Output is correct
28 Correct 81 ms 15572 KB Output is correct
29 Correct 81 ms 15536 KB Output is correct
30 Correct 90 ms 15604 KB Output is correct
31 Correct 58 ms 9404 KB Output is correct
32 Correct 114 ms 15652 KB Output is correct
33 Correct 88 ms 15392 KB Output is correct
34 Correct 82 ms 15564 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 300 KB Output is correct
37 Correct 91 ms 15652 KB Output is correct
38 Correct 86 ms 15660 KB Output is correct
39 Correct 91 ms 15564 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 104 ms 15628 KB Output is correct
6 Correct 108 ms 15516 KB Output is correct
7 Correct 108 ms 15660 KB Output is correct
8 Correct 84 ms 15656 KB Output is correct
9 Correct 118 ms 15584 KB Output is correct
10 Correct 105 ms 15640 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 300 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 300 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 216 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 2 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 1 ms 312 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 2 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 2 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 300 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 300 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 216 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 388 KB Output is correct
54 Correct 6 ms 1204 KB Output is correct
55 Correct 6 ms 1108 KB Output is correct
56 Correct 56 ms 9388 KB Output is correct
57 Correct 44 ms 9388 KB Output is correct
58 Correct 65 ms 9400 KB Output is correct
59 Correct 84 ms 15404 KB Output is correct
60 Correct 56 ms 9380 KB Output is correct
61 Correct 43 ms 9140 KB Output is correct
62 Correct 81 ms 15572 KB Output is correct
63 Correct 81 ms 15536 KB Output is correct
64 Correct 90 ms 15604 KB Output is correct
65 Correct 58 ms 9404 KB Output is correct
66 Correct 114 ms 15652 KB Output is correct
67 Correct 88 ms 15392 KB Output is correct
68 Correct 82 ms 15564 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 1 ms 300 KB Output is correct
71 Correct 91 ms 15652 KB Output is correct
72 Correct 86 ms 15660 KB Output is correct
73 Correct 91 ms 15564 KB Output is correct
74 Correct 1 ms 296 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 104 ms 15628 KB Output is correct
79 Correct 108 ms 15516 KB Output is correct
80 Correct 108 ms 15660 KB Output is correct
81 Correct 84 ms 15656 KB Output is correct
82 Correct 118 ms 15584 KB Output is correct
83 Correct 105 ms 15640 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 0 ms 212 KB Output is correct
86 Correct 1 ms 212 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 2 ms 340 KB Output is correct
91 Correct 2 ms 340 KB Output is correct
92 Correct 1 ms 312 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 2 ms 340 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 2 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 10 ms 1456 KB Output is correct
102 Correct 10 ms 1324 KB Output is correct
103 Correct 140 ms 12464 KB Output is correct
104 Correct 46 ms 9256 KB Output is correct
105 Correct 75 ms 9364 KB Output is correct
106 Correct 101 ms 15628 KB Output is correct
107 Correct 66 ms 9428 KB Output is correct
108 Correct 50 ms 9300 KB Output is correct
109 Correct 89 ms 15536 KB Output is correct
110 Correct 86 ms 15540 KB Output is correct
111 Correct 102 ms 15532 KB Output is correct
112 Correct 139 ms 14244 KB Output is correct
113 Correct 151 ms 15524 KB Output is correct
114 Correct 121 ms 15504 KB Output is correct
115 Correct 103 ms 15564 KB Output is correct