oj.uz

답안 #268123

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
268123 2020-08-16T09:01:07 Z shinjan Arranging Shoes (IOI19_shoes) C++14
50 / 100
 293 ms 277792 KB 
#include <iostream>
#include <bits/stdc++.h>
#include "shoes.h"
#define maxN 100001
using namespace std;
int fen[maxN];
void add(int ind,int n)
{
    for(int i=ind;i<=n;i+=(i&(-i)))
    {
        fen[i]++;
    }
}
void brisi(int ind,int n)
{
    for(int i=ind;i<=n;i+=(i&(-i)))
    {
        fen[i]--;
    }
}
long long sum(int ind)
{
    long long ans=0;
    for(int i=ind;i>=1;i-=(i&(-i)))
    {
        ans+=fen[i];
    }
    return ans;
}
long long count_swaps(vector <int> s)
{
    int n=s.size();
    long long ans=0;
    queue<int> neg[n/2+1];
    queue<int> poz[n/2+1];
    for(int i=0;i<s.size();i++)
    {
        if(s[i]>0)
        {
            if(neg[s[i]].size()!=0)
            {
                int pos=neg[s[i]].front();
                ans-=(sum(i)-sum(pos+1));
                brisi(pos+1,n);
                ans+=(i-pos-1);
                neg[s[i]].pop();
            }
            else{
                poz[s[i]].push(i);
                add(i+1,n);
            }
        }
        if(s[i]<0)
        {
            int x=abs(s[i]);
            if(poz[x].size()!=0)
            {
                int pos=poz[x].front();
                ans-=(sum(i)-sum(pos+1));
                brisi(pos+1,n);
                ans+=(i-pos);
                poz[x].pop();
            }
            else{
                neg[x].push(i);
                add(i+1,n);
            }
        }
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(int i=0;i<s.size();i++)
      |                 ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 256 KB Output is correct

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 768 KB Output is correct
18 Correct 2 ms 1664 KB Output is correct
19 Correct 2 ms 1664 KB Output is correct
20 Correct 14 ms 14080 KB Output is correct
21 Correct 14 ms 14080 KB Output is correct
22 Runtime error 283 ms 277752 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Runtime error 293 ms 277792 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 768 KB Output is correct
41 Correct 2 ms 1664 KB Output is correct
42 Correct 2 ms 1664 KB Output is correct
43 Correct 2 ms 1664 KB Output is correct
44 Correct 2 ms 1664 KB Output is correct
45 Correct 2 ms 1664 KB Output is correct
46 Correct 2 ms 1664 KB Output is correct
47 Correct 2 ms 1664 KB Output is correct
48 Correct 2 ms 1664 KB Output is correct
49 Correct 2 ms 1664 KB Output is correct
50 Correct 2 ms 1664 KB Output is correct
51 Correct 2 ms 1664 KB Output is correct
52 Correct 2 ms 1664 KB Output is correct

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 1 ms 256 KB Output is correct
38 Correct 0 ms 256 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 0 ms 256 KB Output is correct
41 Correct 1 ms 256 KB Output is correct
42 Correct 0 ms 256 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 1 ms 384 KB Output is correct
45 Correct 1 ms 256 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 1 ms 512 KB Output is correct
51 Correct 1 ms 768 KB Output is correct
52 Correct 2 ms 1664 KB Output is correct
53 Correct 2 ms 1664 KB Output is correct
54 Correct 14 ms 14080 KB Output is correct
55 Correct 14 ms 14080 KB Output is correct
56 Runtime error 283 ms 277752 KB Execution killed with signal 11
57 Halted 0 ms 0 KB -