oj.uz

답안 #776736

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
776736 2023-07-08T08:10:31 Z Warinchai Arranging Shoes (IOI19_shoes) C++14
100 / 100
 206 ms 274800 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
queue<int>q[200005];
queue<int>nq[200005];
int check[200005];
struct fenwick{
	int info[200005];
	void upd(int idx,int val){
		for(int i=idx;i<=200000;i+=i&-i){
			info[i]+=val;
		}
	}
	int fsum(int idx){
		int sum=0;
		for(int i=idx;i>0;i-=i&-i){
			sum+=info[i];
		}
		return sum;
	}
}fw;
long long count_swaps(vector<int>s) {
	//cout<<"work"<<endl;
	for(int i=0;i<s.size();i++){
		if(s[i]>=0){
			q[s[i]].push(i+1);
		}else{
			nq[s[i]*-1].push(i+1);
		}
	}
	long long ans=0;
	for(int i=0;i<s.size();i++){
		if(check[i]==0){
			int x=s[i];
			int nx=s[i]*-1;
			if(x>=0){
				if(nq[x].empty()||q[x].empty()){
					cout<<"wtf"<<endl;
					return 69;
				}
				int id=nq[x].front();
				nq[x].pop();
				q[x].pop();
				int sz=id-1-i;
				int st=i+1;
				//cout<<"id,i:"<<id<<" "<<i+1<<endl;
				//cout<<sz<<" ";
				sz-=fw.fsum(id)-fw.fsum(st);
				//cout<<sz<<endl;
				ans+=sz;
				if(i<0||id-1<0){
					return 69420;
				}
				check[i]=1;
				check[id-1]=1;
				fw.upd(id,1);
			}else{
				if(nq[nx].empty()||q[nx].empty()){
					cout<<"wtf"<<endl;
					return 69;
				}
				int id=q[nx].front();
				q[nx].pop();
				nq[nx].pop();
				//cout<<"id,i:"<<id<<" "<<i+1<<endl;
				int sz=id-2-i;
				int st=i+1;
				//cout<<sz<<" ";
				sz-=fw.fsum(id)-fw.fsum(st);
				ans+=sz;
				//cout<<sz<<endl;
				if(i<0||id-1<0){
					return 69420;
				}
				check[i]=1;
				check[id-1]=1;
				fw.upd(id,1);
			}
		}
	}
	//cout<<ans<<endl;
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:24:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~
shoes.cpp:32:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 169 ms 269556 KB Output is correct
2 Correct 149 ms 269520 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 169 ms 269556 KB Output is correct
2 Correct 149 ms 269520 KB Output is correct
3 Correct 144 ms 269572 KB Output is correct
4 Correct 155 ms 269572 KB Output is correct
5 Correct 136 ms 269496 KB Output is correct
6 Correct 135 ms 269532 KB Output is correct
7 Correct 138 ms 269532 KB Output is correct
8 Correct 138 ms 269532 KB Output is correct
9 Correct 135 ms 269528 KB Output is correct
10 Correct 135 ms 269540 KB Output is correct
11 Correct 136 ms 269568 KB Output is correct
12 Correct 150 ms 269520 KB Output is correct
13 Correct 163 ms 269608 KB Output is correct
14 Correct 136 ms 269524 KB Output is correct
15 Correct 136 ms 269520 KB Output is correct
16 Correct 138 ms 269612 KB Output is correct
17 Correct 144 ms 269656 KB Output is correct
18 Correct 143 ms 269516 KB Output is correct
19 Correct 136 ms 269596 KB Output is correct
20 Correct 136 ms 269516 KB Output is correct
21 Correct 137 ms 269604 KB Output is correct
22 Correct 138 ms 269568 KB Output is correct
23 Correct 139 ms 269512 KB Output is correct
24 Correct 139 ms 269608 KB Output is correct
25 Correct 137 ms 269520 KB Output is correct
26 Correct 136 ms 269608 KB Output is correct
27 Correct 136 ms 269616 KB Output is correct
28 Correct 146 ms 269492 KB Output is correct
29 Correct 141 ms 269568 KB Output is correct
30 Correct 140 ms 269572 KB Output is correct
31 Correct 137 ms 269504 KB Output is correct
32 Correct 126 ms 269596 KB Output is correct
33 Correct 134 ms 269612 KB Output is correct
34 Correct 125 ms 269564 KB Output is correct
35 Correct 127 ms 269588 KB Output is correct
36 Correct 126 ms 269612 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 169 ms 269556 KB Output is correct
2 Correct 149 ms 269520 KB Output is correct
3 Correct 136 ms 269644 KB Output is correct
4 Correct 132 ms 269492 KB Output is correct
5 Correct 134 ms 269568 KB Output is correct
6 Correct 127 ms 269616 KB Output is correct
7 Correct 130 ms 269600 KB Output is correct
8 Correct 127 ms 269516 KB Output is correct
9 Correct 129 ms 269564 KB Output is correct
10 Correct 126 ms 269496 KB Output is correct
11 Correct 126 ms 269548 KB Output is correct
12 Correct 130 ms 269500 KB Output is correct
13 Correct 128 ms 269612 KB Output is correct
14 Correct 133 ms 269544 KB Output is correct
15 Correct 129 ms 269604 KB Output is correct
16 Correct 131 ms 269536 KB Output is correct
17 Correct 131 ms 269500 KB Output is correct
18 Correct 128 ms 269612 KB Output is correct
19 Correct 128 ms 269612 KB Output is correct
20 Correct 160 ms 270260 KB Output is correct
21 Correct 145 ms 270096 KB Output is correct
22 Correct 172 ms 274172 KB Output is correct
23 Correct 159 ms 274784 KB Output is correct
24 Correct 164 ms 274764 KB Output is correct
25 Correct 166 ms 274188 KB Output is correct
26 Correct 161 ms 274800 KB Output is correct
27 Correct 158 ms 274556 KB Output is correct
28 Correct 170 ms 274396 KB Output is correct
29 Correct 160 ms 274380 KB Output is correct
30 Correct 155 ms 274308 KB Output is correct
31 Correct 168 ms 274708 KB Output is correct
32 Correct 165 ms 274392 KB Output is correct
33 Correct 158 ms 274216 KB Output is correct
34 Correct 175 ms 274296 KB Output is correct
35 Correct 156 ms 269536 KB Output is correct
36 Correct 132 ms 269496 KB Output is correct
37 Correct 174 ms 274356 KB Output is correct
38 Correct 178 ms 274404 KB Output is correct
39 Correct 164 ms 274336 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 146 ms 269592 KB Output is correct
2 Correct 133 ms 269568 KB Output is correct
3 Correct 136 ms 269688 KB Output is correct
4 Correct 132 ms 269544 KB Output is correct
5 Correct 198 ms 272912 KB Output is correct
6 Correct 159 ms 273484 KB Output is correct
7 Correct 179 ms 273540 KB Output is correct
8 Correct 161 ms 274392 KB Output is correct
9 Correct 178 ms 273484 KB Output is correct
10 Correct 177 ms 273452 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 169 ms 269556 KB Output is correct
2 Correct 149 ms 269520 KB Output is correct
3 Correct 144 ms 269572 KB Output is correct
4 Correct 155 ms 269572 KB Output is correct
5 Correct 136 ms 269496 KB Output is correct
6 Correct 135 ms 269532 KB Output is correct
7 Correct 138 ms 269532 KB Output is correct
8 Correct 138 ms 269532 KB Output is correct
9 Correct 135 ms 269528 KB Output is correct
10 Correct 135 ms 269540 KB Output is correct
11 Correct 136 ms 269568 KB Output is correct
12 Correct 150 ms 269520 KB Output is correct
13 Correct 163 ms 269608 KB Output is correct
14 Correct 136 ms 269524 KB Output is correct
15 Correct 136 ms 269520 KB Output is correct
16 Correct 138 ms 269612 KB Output is correct
17 Correct 144 ms 269656 KB Output is correct
18 Correct 143 ms 269516 KB Output is correct
19 Correct 136 ms 269596 KB Output is correct
20 Correct 136 ms 269516 KB Output is correct
21 Correct 137 ms 269604 KB Output is correct
22 Correct 138 ms 269568 KB Output is correct
23 Correct 139 ms 269512 KB Output is correct
24 Correct 139 ms 269608 KB Output is correct
25 Correct 137 ms 269520 KB Output is correct
26 Correct 136 ms 269608 KB Output is correct
27 Correct 136 ms 269616 KB Output is correct
28 Correct 146 ms 269492 KB Output is correct
29 Correct 141 ms 269568 KB Output is correct
30 Correct 140 ms 269572 KB Output is correct
31 Correct 137 ms 269504 KB Output is correct
32 Correct 126 ms 269596 KB Output is correct
33 Correct 134 ms 269612 KB Output is correct
34 Correct 125 ms 269564 KB Output is correct
35 Correct 127 ms 269588 KB Output is correct
36 Correct 126 ms 269612 KB Output is correct
37 Correct 130 ms 269516 KB Output is correct
38 Correct 131 ms 269568 KB Output is correct
39 Correct 133 ms 269572 KB Output is correct
40 Correct 136 ms 269504 KB Output is correct
41 Correct 131 ms 269628 KB Output is correct
42 Correct 130 ms 269552 KB Output is correct
43 Correct 155 ms 269576 KB Output is correct
44 Correct 131 ms 269628 KB Output is correct
45 Correct 132 ms 269532 KB Output is correct
46 Correct 131 ms 269608 KB Output is correct
47 Correct 132 ms 269628 KB Output is correct
48 Correct 134 ms 269600 KB Output is correct
49 Correct 137 ms 269624 KB Output is correct
50 Correct 140 ms 269600 KB Output is correct
51 Correct 139 ms 269644 KB Output is correct
52 Correct 132 ms 269580 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 169 ms 269556 KB Output is correct
2 Correct 149 ms 269520 KB Output is correct
3 Correct 144 ms 269572 KB Output is correct
4 Correct 155 ms 269572 KB Output is correct
5 Correct 136 ms 269496 KB Output is correct
6 Correct 135 ms 269532 KB Output is correct
7 Correct 138 ms 269532 KB Output is correct
8 Correct 138 ms 269532 KB Output is correct
9 Correct 135 ms 269528 KB Output is correct
10 Correct 135 ms 269540 KB Output is correct
11 Correct 136 ms 269568 KB Output is correct
12 Correct 150 ms 269520 KB Output is correct
13 Correct 163 ms 269608 KB Output is correct
14 Correct 136 ms 269524 KB Output is correct
15 Correct 136 ms 269520 KB Output is correct
16 Correct 138 ms 269612 KB Output is correct
17 Correct 144 ms 269656 KB Output is correct
18 Correct 143 ms 269516 KB Output is correct
19 Correct 136 ms 269596 KB Output is correct
20 Correct 136 ms 269516 KB Output is correct
21 Correct 137 ms 269604 KB Output is correct
22 Correct 138 ms 269568 KB Output is correct
23 Correct 139 ms 269512 KB Output is correct
24 Correct 139 ms 269608 KB Output is correct
25 Correct 137 ms 269520 KB Output is correct
26 Correct 136 ms 269608 KB Output is correct
27 Correct 136 ms 269616 KB Output is correct
28 Correct 146 ms 269492 KB Output is correct
29 Correct 141 ms 269568 KB Output is correct
30 Correct 140 ms 269572 KB Output is correct
31 Correct 137 ms 269504 KB Output is correct
32 Correct 126 ms 269596 KB Output is correct
33 Correct 134 ms 269612 KB Output is correct
34 Correct 125 ms 269564 KB Output is correct
35 Correct 127 ms 269588 KB Output is correct
36 Correct 126 ms 269612 KB Output is correct
37 Correct 136 ms 269644 KB Output is correct
38 Correct 132 ms 269492 KB Output is correct
39 Correct 134 ms 269568 KB Output is correct
40 Correct 127 ms 269616 KB Output is correct
41 Correct 130 ms 269600 KB Output is correct
42 Correct 127 ms 269516 KB Output is correct
43 Correct 129 ms 269564 KB Output is correct
44 Correct 126 ms 269496 KB Output is correct
45 Correct 126 ms 269548 KB Output is correct
46 Correct 130 ms 269500 KB Output is correct
47 Correct 128 ms 269612 KB Output is correct
48 Correct 133 ms 269544 KB Output is correct
49 Correct 129 ms 269604 KB Output is correct
50 Correct 131 ms 269536 KB Output is correct
51 Correct 131 ms 269500 KB Output is correct
52 Correct 128 ms 269612 KB Output is correct
53 Correct 128 ms 269612 KB Output is correct
54 Correct 160 ms 270260 KB Output is correct
55 Correct 145 ms 270096 KB Output is correct
56 Correct 172 ms 274172 KB Output is correct
57 Correct 159 ms 274784 KB Output is correct
58 Correct 164 ms 274764 KB Output is correct
59 Correct 166 ms 274188 KB Output is correct
60 Correct 161 ms 274800 KB Output is correct
61 Correct 158 ms 274556 KB Output is correct
62 Correct 170 ms 274396 KB Output is correct
63 Correct 160 ms 274380 KB Output is correct
64 Correct 155 ms 274308 KB Output is correct
65 Correct 168 ms 274708 KB Output is correct
66 Correct 165 ms 274392 KB Output is correct
67 Correct 158 ms 274216 KB Output is correct
68 Correct 175 ms 274296 KB Output is correct
69 Correct 156 ms 269536 KB Output is correct
70 Correct 132 ms 269496 KB Output is correct
71 Correct 174 ms 274356 KB Output is correct
72 Correct 178 ms 274404 KB Output is correct
73 Correct 164 ms 274336 KB Output is correct
74 Correct 146 ms 269592 KB Output is correct
75 Correct 133 ms 269568 KB Output is correct
76 Correct 136 ms 269688 KB Output is correct
77 Correct 132 ms 269544 KB Output is correct
78 Correct 198 ms 272912 KB Output is correct
79 Correct 159 ms 273484 KB Output is correct
80 Correct 179 ms 273540 KB Output is correct
81 Correct 161 ms 274392 KB Output is correct
82 Correct 178 ms 273484 KB Output is correct
83 Correct 177 ms 273452 KB Output is correct
84 Correct 130 ms 269516 KB Output is correct
85 Correct 131 ms 269568 KB Output is correct
86 Correct 133 ms 269572 KB Output is correct
87 Correct 136 ms 269504 KB Output is correct
88 Correct 131 ms 269628 KB Output is correct
89 Correct 130 ms 269552 KB Output is correct
90 Correct 155 ms 269576 KB Output is correct
91 Correct 131 ms 269628 KB Output is correct
92 Correct 132 ms 269532 KB Output is correct
93 Correct 131 ms 269608 KB Output is correct
94 Correct 132 ms 269628 KB Output is correct
95 Correct 134 ms 269600 KB Output is correct
96 Correct 137 ms 269624 KB Output is correct
97 Correct 140 ms 269600 KB Output is correct
98 Correct 139 ms 269644 KB Output is correct
99 Correct 132 ms 269580 KB Output is correct
100 Correct 132 ms 269708 KB Output is correct
101 Correct 136 ms 269956 KB Output is correct
102 Correct 135 ms 269900 KB Output is correct
103 Correct 206 ms 273964 KB Output is correct
104 Correct 204 ms 273864 KB Output is correct
105 Correct 177 ms 273868 KB Output is correct
106 Correct 174 ms 273484 KB Output is correct
107 Correct 172 ms 273948 KB Output is correct
108 Correct 164 ms 273940 KB Output is correct
109 Correct 165 ms 274376 KB Output is correct
110 Correct 164 ms 274380 KB Output is correct
111 Correct 176 ms 273484 KB Output is correct
112 Correct 185 ms 273956 KB Output is correct
113 Correct 163 ms 273488 KB Output is correct
114 Correct 186 ms 273540 KB Output is correct
115 Correct 186 ms 273504 KB Output is correct