oj.uz

Submission #759041

# Submission time Handle Problem Language Result Execution time Memory
759041 2023-06-15T17:18:00 Z Trumling Arranging Shoes (IOI19_shoes) C++14
100 / 100
 328 ms 37680 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std; 
 
typedef long long ll;
#define pb push_back
#define F first
#define S second
#define enter cout<<'\n';
#define INF 99999999999999999
#define MOD 1000000007
#define all(x) x.begin(),x.end()

ll seg[6000001];

void update (int pos,int l,int r,int idx,int u)
{
    if(pos<l || pos>r)
        return ;
 
    if(l==r)
    {
        seg[idx]=u;
        return ;
    }
    update(pos,l,(l+r)/2,idx*2,u);
    update(pos,(l+r)/2+1,r,idx*2+1,u);
    seg[idx]=seg[idx*2]+seg[idx*2+1];
}
 
ll query(int L,int R,int l,int r,int idx)
{
    if(L>r || R<l)
    return 0;
 
    if(L<=l && r<=R)
    return seg[idx];
 
    return query(L,R,(l+r)/2+1,r,idx*2+1)+query(L,R,l,(l+r)/2,idx*2);
 
}

long long count_swaps(vector<int>s) 
{
	ll nn=s.size();

	map<int,vector<int>>mp;
	for(int i=0;i<nn;i++)
	mp[s[i]].pb(i);

vector<pair<int,pair<int,int>>>g;
vector<int>answ(nn);

for(int j=1;j<=nn;j++)
{
	if(mp[j].empty())
	continue;

	auto x=mp[-j],y=mp[j];

	for(int i=0;i<x.size();i++)
	g.pb({x[i]+y[i],{x[i],y[i]}});
}
sort(all(g));

ll idx=0;
for(auto x:g)
{
	answ[x.S.F]=idx++;
	answ[x.S.S]=idx++;
}
ll ans=0;

for(int i=0;i<nn;i++)
{
ans+=query(answ[i],nn-1,0,nn-1,1);
 update(answ[i],0,nn-1,1,1);
}
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:61:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |  for(int i=0;i<x.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 212 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 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 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 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 9 ms 2836 KB Output is correct
21 Correct 10 ms 2836 KB Output is correct
22 Correct 119 ms 24256 KB Output is correct
23 Correct 123 ms 24308 KB Output is correct
24 Correct 108 ms 24304 KB Output is correct
25 Correct 99 ms 24364 KB Output is correct
26 Correct 108 ms 24296 KB Output is correct
27 Correct 98 ms 24360 KB Output is correct
28 Correct 97 ms 24368 KB Output is correct
29 Correct 101 ms 24360 KB Output is correct
30 Correct 103 ms 24364 KB Output is correct
31 Correct 115 ms 24312 KB Output is correct
32 Correct 145 ms 24260 KB Output is correct
33 Correct 97 ms 24304 KB Output is correct
34 Correct 102 ms 24324 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 101 ms 24292 KB Output is correct
38 Correct 121 ms 24372 KB Output is correct
39 Correct 102 ms 24368 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 233 ms 37664 KB Output is correct
6 Correct 154 ms 25708 KB Output is correct
7 Correct 243 ms 37676 KB Output is correct
8 Correct 116 ms 24380 KB Output is correct
9 Correct 246 ms 37672 KB Output is correct
10 Correct 204 ms 30584 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 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 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 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 2 ms 596 KB Output is correct
43 Correct 2 ms 596 KB Output is correct
44 Correct 2 ms 596 KB Output is correct
45 Correct 2 ms 596 KB Output is correct
46 Correct 2 ms 596 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 2 ms 596 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 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 9 ms 2836 KB Output is correct
55 Correct 10 ms 2836 KB Output is correct
56 Correct 119 ms 24256 KB Output is correct
57 Correct 123 ms 24308 KB Output is correct
58 Correct 108 ms 24304 KB Output is correct
59 Correct 99 ms 24364 KB Output is correct
60 Correct 108 ms 24296 KB Output is correct
61 Correct 98 ms 24360 KB Output is correct
62 Correct 97 ms 24368 KB Output is correct
63 Correct 101 ms 24360 KB Output is correct
64 Correct 103 ms 24364 KB Output is correct
65 Correct 115 ms 24312 KB Output is correct
66 Correct 145 ms 24260 KB Output is correct
67 Correct 97 ms 24304 KB Output is correct
68 Correct 102 ms 24324 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 101 ms 24292 KB Output is correct
72 Correct 121 ms 24372 KB Output is correct
73 Correct 102 ms 24368 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 233 ms 37664 KB Output is correct
79 Correct 154 ms 25708 KB Output is correct
80 Correct 243 ms 37676 KB Output is correct
81 Correct 116 ms 24380 KB Output is correct
82 Correct 246 ms 37672 KB Output is correct
83 Correct 204 ms 30584 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 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 2 ms 596 KB Output is correct
89 Correct 2 ms 596 KB Output is correct
90 Correct 2 ms 596 KB Output is correct
91 Correct 2 ms 596 KB Output is correct
92 Correct 2 ms 596 KB Output is correct
93 Correct 2 ms 596 KB Output is correct
94 Correct 2 ms 468 KB Output is correct
95 Correct 1 ms 468 KB Output is correct
96 Correct 2 ms 468 KB Output is correct
97 Correct 1 ms 468 KB Output is correct
98 Correct 1 ms 468 KB Output is correct
99 Correct 2 ms 596 KB Output is correct
100 Correct 2 ms 596 KB Output is correct
101 Correct 20 ms 3980 KB Output is correct
102 Correct 15 ms 2996 KB Output is correct
103 Correct 328 ms 37548 KB Output is correct
104 Correct 246 ms 37668 KB Output is correct
105 Correct 266 ms 31560 KB Output is correct
106 Correct 251 ms 37680 KB Output is correct
107 Correct 147 ms 26104 KB Output is correct
108 Correct 152 ms 27220 KB Output is correct
109 Correct 107 ms 24396 KB Output is correct
110 Correct 102 ms 24324 KB Output is correct
111 Correct 262 ms 35980 KB Output is correct
112 Correct 235 ms 34508 KB Output is correct
113 Correct 151 ms 26044 KB Output is correct
114 Correct 223 ms 37668 KB Output is correct
115 Correct 223 ms 37668 KB Output is correct