oj.uz

답안 #759031

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
759031 2023-06-15T17:06:17 Z Trumling Arranging Shoes (IOI19_shoes) C++14
100 / 100
 276 ms 37644 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])?-1:0),{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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 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 0 ms 212 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 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 1 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 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 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 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 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 1 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 1 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 2728 KB Output is correct
21 Correct 9 ms 2836 KB Output is correct
22 Correct 103 ms 24380 KB Output is correct
23 Correct 94 ms 24316 KB Output is correct
24 Correct 99 ms 24360 KB Output is correct
25 Correct 106 ms 24376 KB Output is correct
26 Correct 105 ms 24268 KB Output is correct
27 Correct 98 ms 24312 KB Output is correct
28 Correct 97 ms 24364 KB Output is correct
29 Correct 98 ms 24368 KB Output is correct
30 Correct 110 ms 24272 KB Output is correct
31 Correct 101 ms 24248 KB Output is correct
32 Correct 99 ms 24316 KB Output is correct
33 Correct 97 ms 24368 KB Output is correct
34 Correct 99 ms 24372 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 108 ms 24484 KB Output is correct
38 Correct 101 ms 24276 KB Output is correct
39 Correct 98 ms 24268 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 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 266 ms 37552 KB Output is correct
6 Correct 130 ms 25716 KB Output is correct
7 Correct 215 ms 37560 KB Output is correct
8 Correct 113 ms 24344 KB Output is correct
9 Correct 271 ms 37628 KB Output is correct
10 Correct 177 ms 30676 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 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 0 ms 212 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 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 1 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 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 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 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 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

# 결과 실행 시간 메모리 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 0 ms 212 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 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 1 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 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 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 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 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 1 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 2728 KB Output is correct
55 Correct 9 ms 2836 KB Output is correct
56 Correct 103 ms 24380 KB Output is correct
57 Correct 94 ms 24316 KB Output is correct
58 Correct 99 ms 24360 KB Output is correct
59 Correct 106 ms 24376 KB Output is correct
60 Correct 105 ms 24268 KB Output is correct
61 Correct 98 ms 24312 KB Output is correct
62 Correct 97 ms 24364 KB Output is correct
63 Correct 98 ms 24368 KB Output is correct
64 Correct 110 ms 24272 KB Output is correct
65 Correct 101 ms 24248 KB Output is correct
66 Correct 99 ms 24316 KB Output is correct
67 Correct 97 ms 24368 KB Output is correct
68 Correct 99 ms 24372 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 108 ms 24484 KB Output is correct
72 Correct 101 ms 24276 KB Output is correct
73 Correct 98 ms 24268 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 266 ms 37552 KB Output is correct
79 Correct 130 ms 25716 KB Output is correct
80 Correct 215 ms 37560 KB Output is correct
81 Correct 113 ms 24344 KB Output is correct
82 Correct 271 ms 37628 KB Output is correct
83 Correct 177 ms 30676 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 1 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 17 ms 3984 KB Output is correct
102 Correct 13 ms 3028 KB Output is correct
103 Correct 276 ms 37560 KB Output is correct
104 Correct 240 ms 37616 KB Output is correct
105 Correct 215 ms 31592 KB Output is correct
106 Correct 224 ms 37608 KB Output is correct
107 Correct 145 ms 26100 KB Output is correct
108 Correct 143 ms 27260 KB Output is correct
109 Correct 105 ms 24356 KB Output is correct
110 Correct 98 ms 24280 KB Output is correct
111 Correct 220 ms 36092 KB Output is correct
112 Correct 232 ms 34488 KB Output is correct
113 Correct 153 ms 26108 KB Output is correct
114 Correct 213 ms 37644 KB Output is correct
115 Correct 227 ms 37628 KB Output is correct