oj.uz

답안 #712975

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
712975 2023-03-20T17:28:25 Z mseebacher Arranging Shoes (IOI19_shoes) C++17
100 / 100
 137 ms 54188 KB 
//#include <bits/stdc++.h>
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <string>
#include <vector>
#include <cmath>
#include <cstring>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <functional>
#include <iostream>
#include <fstream>
#include <string>
using namespace std;

#define mp make_pair
#define f first
#define s second
#define pb push_back

typedef long long ll;
typedef long double lld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

const lld pi = 3.14159265358979323846;



#define MAXI (int)1e5
#define LSOne(S) ((S) & -(S))
#define MSB(S) __builtin_clz(S)
vector<int> ad[MAXI];


 
vector<ll> ft;

ll sumFT(int index){
	ll sum = 0;
	while(index > 0){	
		sum+= ft[index];
		index -= LSOne(index);
	}
	return sum;
}
 
int getval(int index){
	int x = sumFT(index)-sumFT(index-1);
	if(x == 0) return 1; else return -1;
}
 
void updateFT(int index, ll val){
	while(index < (int)ft.size()){
		ft[index] += val;
		index += LSOne(index);
	}
}
 

long long count_swaps(vector<int> a){

	int n = a.size();
	vector<set<int>> left(2*n+1);
	vector<set<int>> right(2*n+1);
	
	vector<bool> marked(2*n,0);
	ll ans = 0;
	for(int i = 1;i<=n;i++){
		if(a[i-1] < 0){
			int x = a[i-1]*-1;
			left[x].insert(i);
		}else right[a[i-1]].insert(i);
	}
	ft.assign(n+1,0);
	for(int i = 1;i<=n;i++){
		updateFT(i,1);
	}
	int links,rechts;
	for(int i = 0;i<n;i++){
		if(marked[i]) continue;
		links = i+1;
		if(a[i] < 0) {
			rechts = *right[abs(a[i])].begin();
			ans--;
		}else{
			rechts = *left[a[i]].begin();
		}
		
		ans += sumFT(rechts)-sumFT(links);
		updateFT(links,-1);
		updateFT(rechts,-1);
		right[abs(a[i])].erase(*right[abs(a[i])].begin());
		left[abs(a[i])].erase(*left[abs(a[i])].begin());
		
		marked[links-1] = 1;
		marked[rechts-1] = 1;
	}
	
	
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2656 KB Output is correct
16 Correct 1 ms 2656 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2656 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2656 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2656 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2780 KB Output is correct
18 Correct 3 ms 3156 KB Output is correct
19 Correct 3 ms 3044 KB Output is correct
20 Correct 10 ms 7764 KB Output is correct
21 Correct 10 ms 7684 KB Output is correct
22 Correct 89 ms 54056 KB Output is correct
23 Correct 102 ms 53976 KB Output is correct
24 Correct 88 ms 53976 KB Output is correct
25 Correct 100 ms 53988 KB Output is correct
26 Correct 89 ms 53980 KB Output is correct
27 Correct 104 ms 53976 KB Output is correct
28 Correct 98 ms 53976 KB Output is correct
29 Correct 96 ms 54064 KB Output is correct
30 Correct 97 ms 54164 KB Output is correct
31 Correct 91 ms 54016 KB Output is correct
32 Correct 97 ms 54188 KB Output is correct
33 Correct 98 ms 53784 KB Output is correct
34 Correct 98 ms 53968 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2656 KB Output is correct
37 Correct 97 ms 53976 KB Output is correct
38 Correct 94 ms 54052 KB Output is correct
39 Correct 96 ms 54032 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 82 ms 53964 KB Output is correct
6 Correct 102 ms 53912 KB Output is correct
7 Correct 86 ms 53976 KB Output is correct
8 Correct 87 ms 53980 KB Output is correct
9 Correct 83 ms 53936 KB Output is correct
10 Correct 98 ms 53960 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2656 KB Output is correct
16 Correct 1 ms 2656 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2656 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2652 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2772 KB Output is correct
41 Correct 2 ms 3156 KB Output is correct
42 Correct 2 ms 3156 KB Output is correct
43 Correct 2 ms 3156 KB Output is correct
44 Correct 2 ms 3040 KB Output is correct
45 Correct 2 ms 3156 KB Output is correct
46 Correct 3 ms 3044 KB Output is correct
47 Correct 2 ms 3156 KB Output is correct
48 Correct 2 ms 3156 KB Output is correct
49 Correct 2 ms 3156 KB Output is correct
50 Correct 2 ms 3044 KB Output is correct
51 Correct 3 ms 3156 KB Output is correct
52 Correct 2 ms 3156 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2656 KB Output is correct
16 Correct 1 ms 2656 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2652 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2656 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 3 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 3 ms 2644 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 2 ms 2656 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2656 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 2 ms 2780 KB Output is correct
52 Correct 3 ms 3156 KB Output is correct
53 Correct 3 ms 3044 KB Output is correct
54 Correct 10 ms 7764 KB Output is correct
55 Correct 10 ms 7684 KB Output is correct
56 Correct 89 ms 54056 KB Output is correct
57 Correct 102 ms 53976 KB Output is correct
58 Correct 88 ms 53976 KB Output is correct
59 Correct 100 ms 53988 KB Output is correct
60 Correct 89 ms 53980 KB Output is correct
61 Correct 104 ms 53976 KB Output is correct
62 Correct 98 ms 53976 KB Output is correct
63 Correct 96 ms 54064 KB Output is correct
64 Correct 97 ms 54164 KB Output is correct
65 Correct 91 ms 54016 KB Output is correct
66 Correct 97 ms 54188 KB Output is correct
67 Correct 98 ms 53784 KB Output is correct
68 Correct 98 ms 53968 KB Output is correct
69 Correct 2 ms 2644 KB Output is correct
70 Correct 2 ms 2656 KB Output is correct
71 Correct 97 ms 53976 KB Output is correct
72 Correct 94 ms 54052 KB Output is correct
73 Correct 96 ms 54032 KB Output is correct
74 Correct 1 ms 2644 KB Output is correct
75 Correct 2 ms 2644 KB Output is correct
76 Correct 1 ms 2644 KB Output is correct
77 Correct 2 ms 2652 KB Output is correct
78 Correct 82 ms 53964 KB Output is correct
79 Correct 102 ms 53912 KB Output is correct
80 Correct 86 ms 53976 KB Output is correct
81 Correct 87 ms 53980 KB Output is correct
82 Correct 83 ms 53936 KB Output is correct
83 Correct 98 ms 53960 KB Output is correct
84 Correct 2 ms 2652 KB Output is correct
85 Correct 2 ms 2644 KB Output is correct
86 Correct 2 ms 2644 KB Output is correct
87 Correct 2 ms 2772 KB Output is correct
88 Correct 2 ms 3156 KB Output is correct
89 Correct 2 ms 3156 KB Output is correct
90 Correct 2 ms 3156 KB Output is correct
91 Correct 2 ms 3040 KB Output is correct
92 Correct 2 ms 3156 KB Output is correct
93 Correct 3 ms 3044 KB Output is correct
94 Correct 2 ms 3156 KB Output is correct
95 Correct 2 ms 3156 KB Output is correct
96 Correct 2 ms 3156 KB Output is correct
97 Correct 2 ms 3044 KB Output is correct
98 Correct 3 ms 3156 KB Output is correct
99 Correct 2 ms 3156 KB Output is correct
100 Correct 3 ms 3156 KB Output is correct
101 Correct 9 ms 7764 KB Output is correct
102 Correct 11 ms 7764 KB Output is correct
103 Correct 110 ms 53964 KB Output is correct
104 Correct 85 ms 54024 KB Output is correct
105 Correct 111 ms 53984 KB Output is correct
106 Correct 85 ms 53988 KB Output is correct
107 Correct 137 ms 53964 KB Output is correct
108 Correct 110 ms 54048 KB Output is correct
109 Correct 90 ms 54112 KB Output is correct
110 Correct 99 ms 54092 KB Output is correct
111 Correct 87 ms 53968 KB Output is correct
112 Correct 104 ms 54056 KB Output is correct
113 Correct 112 ms 53964 KB Output is correct
114 Correct 82 ms 53968 KB Output is correct
115 Correct 80 ms 54092 KB Output is correct