oj.uz

답안 #155762

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
155762 2019-09-30T09:39:20 Z gurkot Arranging Shoes (IOI19_shoes) C++14
100 / 100
 247 ms 139228 KB 
#include <cstdio>
#include <cassert>
#include <queue>
#include <vector>
#include <iostream>
using namespace std;

struct Q{int x,npair;};
queue <Q> q[200001];
Q qin,qout;

int n;
int s[200001];

int prev(int u){
 return u&(u-1);    
}

int next(int u){
 return (u<<1)-(u&(u-1));
}

int getsum(int a, int b){
 if (a>b) return 0;
 int ans=0;
 while (b>0){
  ans+=s[b];  b=prev(b);
 }    
 a--;
 while (a>0){
  ans-=s[a];  a=prev(a);
 }    
 return ans;
}

void update(int pos, int x){
 while (pos<=n){
  s[pos]+=x;  pos=next(pos);
 }     
}

long long count_swaps(std::vector<int> a) {
 long long ans=0;
 int x,mx,npair=0;
 n=a.size();
 for (int i=0;i<n;i++){
  x=mx=a[i]; if (mx<0) mx=-mx;
  if (q[mx].size()==0) {
    npair++;
    qin.x=x; qin.npair=npair;
    q[mx].push(qin);
    update(npair,1);
    //cout<<"i="<<i<<"  update "<<npair<<"<=1"<<endl;
  } else {
   qout=q[mx].front();
   if (qout.x==x) {
    npair++;
    qin.x=x; qin.npair=npair;
    q[mx].push(qin);
    update(npair,1);                  
    //cout<<"i="<<i<<"  update (same x) "<<npair<<"<=1"<<endl;
   } else {
    int old_npair=qout.npair;    
    ans+=getsum(old_npair+1,npair);
    if (x<0) ans++;
    update(old_npair,1);          
    //cout<<"i="<<i<<"  update oldpair (same x) "<<old_npair<<"<=+1(2)"<<endl;    
    q[mx].pop();
   }        
  }//size()>0       
 }//i 
 return ans;	
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 136 ms 134956 KB Output is correct
2 Correct 136 ms 134988 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 136 ms 134956 KB Output is correct
2 Correct 136 ms 134988 KB Output is correct
3 Correct 135 ms 134928 KB Output is correct
4 Correct 135 ms 134904 KB Output is correct
5 Correct 165 ms 135032 KB Output is correct
6 Correct 137 ms 134996 KB Output is correct
7 Correct 135 ms 135028 KB Output is correct
8 Correct 136 ms 134932 KB Output is correct
9 Correct 135 ms 134904 KB Output is correct
10 Correct 135 ms 134984 KB Output is correct
11 Correct 137 ms 134876 KB Output is correct
12 Correct 136 ms 135032 KB Output is correct
13 Correct 136 ms 134996 KB Output is correct
14 Correct 134 ms 134908 KB Output is correct
15 Correct 137 ms 135036 KB Output is correct
16 Correct 134 ms 135028 KB Output is correct
17 Correct 136 ms 134888 KB Output is correct
18 Correct 135 ms 134904 KB Output is correct
19 Correct 136 ms 134904 KB Output is correct
20 Correct 136 ms 134968 KB Output is correct
21 Correct 149 ms 135040 KB Output is correct
22 Correct 152 ms 134976 KB Output is correct
23 Correct 169 ms 134896 KB Output is correct
24 Correct 144 ms 134916 KB Output is correct
25 Correct 165 ms 134904 KB Output is correct
26 Correct 155 ms 134896 KB Output is correct
27 Correct 135 ms 134904 KB Output is correct
28 Correct 138 ms 134932 KB Output is correct
29 Correct 137 ms 134968 KB Output is correct
30 Correct 151 ms 134968 KB Output is correct
31 Correct 138 ms 134960 KB Output is correct
32 Correct 136 ms 134928 KB Output is correct
33 Correct 158 ms 135032 KB Output is correct
34 Correct 136 ms 135004 KB Output is correct
35 Correct 137 ms 134904 KB Output is correct
36 Correct 137 ms 134884 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 136 ms 134956 KB Output is correct
2 Correct 136 ms 134988 KB Output is correct
3 Correct 167 ms 134900 KB Output is correct
4 Correct 162 ms 135036 KB Output is correct
5 Correct 210 ms 134896 KB Output is correct
6 Correct 164 ms 134904 KB Output is correct
7 Correct 137 ms 134904 KB Output is correct
8 Correct 137 ms 134952 KB Output is correct
9 Correct 140 ms 135000 KB Output is correct
10 Correct 135 ms 134908 KB Output is correct
11 Correct 134 ms 134964 KB Output is correct
12 Correct 136 ms 134904 KB Output is correct
13 Correct 134 ms 134996 KB Output is correct
14 Correct 139 ms 134912 KB Output is correct
15 Correct 165 ms 135032 KB Output is correct
16 Correct 144 ms 134888 KB Output is correct
17 Correct 148 ms 135032 KB Output is correct
18 Correct 158 ms 135032 KB Output is correct
19 Correct 147 ms 134904 KB Output is correct
20 Correct 184 ms 135300 KB Output is correct
21 Correct 151 ms 135160 KB Output is correct
22 Correct 195 ms 136944 KB Output is correct
23 Correct 167 ms 138236 KB Output is correct
24 Correct 182 ms 138248 KB Output is correct
25 Correct 177 ms 138776 KB Output is correct
26 Correct 180 ms 138256 KB Output is correct
27 Correct 163 ms 138012 KB Output is correct
28 Correct 176 ms 139200 KB Output is correct
29 Correct 177 ms 139056 KB Output is correct
30 Correct 174 ms 139228 KB Output is correct
31 Correct 182 ms 138104 KB Output is correct
32 Correct 200 ms 139000 KB Output is correct
33 Correct 215 ms 138924 KB Output is correct
34 Correct 181 ms 139000 KB Output is correct
35 Correct 138 ms 134916 KB Output is correct
36 Correct 135 ms 135004 KB Output is correct
37 Correct 190 ms 139000 KB Output is correct
38 Correct 205 ms 139092 KB Output is correct
39 Correct 207 ms 139000 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 135 ms 134936 KB Output is correct
2 Correct 136 ms 134896 KB Output is correct
3 Correct 136 ms 134904 KB Output is correct
4 Correct 135 ms 134900 KB Output is correct
5 Correct 208 ms 137120 KB Output is correct
6 Correct 196 ms 138232 KB Output is correct
7 Correct 209 ms 138252 KB Output is correct
8 Correct 181 ms 139128 KB Output is correct
9 Correct 224 ms 138360 KB Output is correct
10 Correct 205 ms 138460 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 136 ms 134956 KB Output is correct
2 Correct 136 ms 134988 KB Output is correct
3 Correct 135 ms 134928 KB Output is correct
4 Correct 135 ms 134904 KB Output is correct
5 Correct 165 ms 135032 KB Output is correct
6 Correct 137 ms 134996 KB Output is correct
7 Correct 135 ms 135028 KB Output is correct
8 Correct 136 ms 134932 KB Output is correct
9 Correct 135 ms 134904 KB Output is correct
10 Correct 135 ms 134984 KB Output is correct
11 Correct 137 ms 134876 KB Output is correct
12 Correct 136 ms 135032 KB Output is correct
13 Correct 136 ms 134996 KB Output is correct
14 Correct 134 ms 134908 KB Output is correct
15 Correct 137 ms 135036 KB Output is correct
16 Correct 134 ms 135028 KB Output is correct
17 Correct 136 ms 134888 KB Output is correct
18 Correct 135 ms 134904 KB Output is correct
19 Correct 136 ms 134904 KB Output is correct
20 Correct 136 ms 134968 KB Output is correct
21 Correct 149 ms 135040 KB Output is correct
22 Correct 152 ms 134976 KB Output is correct
23 Correct 169 ms 134896 KB Output is correct
24 Correct 144 ms 134916 KB Output is correct
25 Correct 165 ms 134904 KB Output is correct
26 Correct 155 ms 134896 KB Output is correct
27 Correct 135 ms 134904 KB Output is correct
28 Correct 138 ms 134932 KB Output is correct
29 Correct 137 ms 134968 KB Output is correct
30 Correct 151 ms 134968 KB Output is correct
31 Correct 138 ms 134960 KB Output is correct
32 Correct 136 ms 134928 KB Output is correct
33 Correct 158 ms 135032 KB Output is correct
34 Correct 136 ms 135004 KB Output is correct
35 Correct 137 ms 134904 KB Output is correct
36 Correct 137 ms 134884 KB Output is correct
37 Correct 135 ms 134888 KB Output is correct
38 Correct 191 ms 134976 KB Output is correct
39 Correct 136 ms 134976 KB Output is correct
40 Correct 135 ms 134968 KB Output is correct
41 Correct 135 ms 135000 KB Output is correct
42 Correct 136 ms 134904 KB Output is correct
43 Correct 134 ms 135124 KB Output is correct
44 Correct 137 ms 134984 KB Output is correct
45 Correct 135 ms 134952 KB Output is correct
46 Correct 136 ms 134920 KB Output is correct
47 Correct 137 ms 135032 KB Output is correct
48 Correct 135 ms 134904 KB Output is correct
49 Correct 135 ms 135008 KB Output is correct
50 Correct 146 ms 134928 KB Output is correct
51 Correct 147 ms 134924 KB Output is correct
52 Correct 135 ms 134988 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 136 ms 134956 KB Output is correct
2 Correct 136 ms 134988 KB Output is correct
3 Correct 135 ms 134928 KB Output is correct
4 Correct 135 ms 134904 KB Output is correct
5 Correct 165 ms 135032 KB Output is correct
6 Correct 137 ms 134996 KB Output is correct
7 Correct 135 ms 135028 KB Output is correct
8 Correct 136 ms 134932 KB Output is correct
9 Correct 135 ms 134904 KB Output is correct
10 Correct 135 ms 134984 KB Output is correct
11 Correct 137 ms 134876 KB Output is correct
12 Correct 136 ms 135032 KB Output is correct
13 Correct 136 ms 134996 KB Output is correct
14 Correct 134 ms 134908 KB Output is correct
15 Correct 137 ms 135036 KB Output is correct
16 Correct 134 ms 135028 KB Output is correct
17 Correct 136 ms 134888 KB Output is correct
18 Correct 135 ms 134904 KB Output is correct
19 Correct 136 ms 134904 KB Output is correct
20 Correct 136 ms 134968 KB Output is correct
21 Correct 149 ms 135040 KB Output is correct
22 Correct 152 ms 134976 KB Output is correct
23 Correct 169 ms 134896 KB Output is correct
24 Correct 144 ms 134916 KB Output is correct
25 Correct 165 ms 134904 KB Output is correct
26 Correct 155 ms 134896 KB Output is correct
27 Correct 135 ms 134904 KB Output is correct
28 Correct 138 ms 134932 KB Output is correct
29 Correct 137 ms 134968 KB Output is correct
30 Correct 151 ms 134968 KB Output is correct
31 Correct 138 ms 134960 KB Output is correct
32 Correct 136 ms 134928 KB Output is correct
33 Correct 158 ms 135032 KB Output is correct
34 Correct 136 ms 135004 KB Output is correct
35 Correct 137 ms 134904 KB Output is correct
36 Correct 137 ms 134884 KB Output is correct
37 Correct 167 ms 134900 KB Output is correct
38 Correct 162 ms 135036 KB Output is correct
39 Correct 210 ms 134896 KB Output is correct
40 Correct 164 ms 134904 KB Output is correct
41 Correct 137 ms 134904 KB Output is correct
42 Correct 137 ms 134952 KB Output is correct
43 Correct 140 ms 135000 KB Output is correct
44 Correct 135 ms 134908 KB Output is correct
45 Correct 134 ms 134964 KB Output is correct
46 Correct 136 ms 134904 KB Output is correct
47 Correct 134 ms 134996 KB Output is correct
48 Correct 139 ms 134912 KB Output is correct
49 Correct 165 ms 135032 KB Output is correct
50 Correct 144 ms 134888 KB Output is correct
51 Correct 148 ms 135032 KB Output is correct
52 Correct 158 ms 135032 KB Output is correct
53 Correct 147 ms 134904 KB Output is correct
54 Correct 184 ms 135300 KB Output is correct
55 Correct 151 ms 135160 KB Output is correct
56 Correct 195 ms 136944 KB Output is correct
57 Correct 167 ms 138236 KB Output is correct
58 Correct 182 ms 138248 KB Output is correct
59 Correct 177 ms 138776 KB Output is correct
60 Correct 180 ms 138256 KB Output is correct
61 Correct 163 ms 138012 KB Output is correct
62 Correct 176 ms 139200 KB Output is correct
63 Correct 177 ms 139056 KB Output is correct
64 Correct 174 ms 139228 KB Output is correct
65 Correct 182 ms 138104 KB Output is correct
66 Correct 200 ms 139000 KB Output is correct
67 Correct 215 ms 138924 KB Output is correct
68 Correct 181 ms 139000 KB Output is correct
69 Correct 138 ms 134916 KB Output is correct
70 Correct 135 ms 135004 KB Output is correct
71 Correct 190 ms 139000 KB Output is correct
72 Correct 205 ms 139092 KB Output is correct
73 Correct 207 ms 139000 KB Output is correct
74 Correct 135 ms 134936 KB Output is correct
75 Correct 136 ms 134896 KB Output is correct
76 Correct 136 ms 134904 KB Output is correct
77 Correct 135 ms 134900 KB Output is correct
78 Correct 208 ms 137120 KB Output is correct
79 Correct 196 ms 138232 KB Output is correct
80 Correct 209 ms 138252 KB Output is correct
81 Correct 181 ms 139128 KB Output is correct
82 Correct 224 ms 138360 KB Output is correct
83 Correct 205 ms 138460 KB Output is correct
84 Correct 135 ms 134888 KB Output is correct
85 Correct 191 ms 134976 KB Output is correct
86 Correct 136 ms 134976 KB Output is correct
87 Correct 135 ms 134968 KB Output is correct
88 Correct 135 ms 135000 KB Output is correct
89 Correct 136 ms 134904 KB Output is correct
90 Correct 134 ms 135124 KB Output is correct
91 Correct 137 ms 134984 KB Output is correct
92 Correct 135 ms 134952 KB Output is correct
93 Correct 136 ms 134920 KB Output is correct
94 Correct 137 ms 135032 KB Output is correct
95 Correct 135 ms 134904 KB Output is correct
96 Correct 135 ms 135008 KB Output is correct
97 Correct 146 ms 134928 KB Output is correct
98 Correct 147 ms 134924 KB Output is correct
99 Correct 135 ms 134988 KB Output is correct
100 Correct 135 ms 134984 KB Output is correct
101 Correct 169 ms 135248 KB Output is correct
102 Correct 142 ms 135328 KB Output is correct
103 Correct 201 ms 138204 KB Output is correct
104 Correct 192 ms 138132 KB Output is correct
105 Correct 202 ms 138180 KB Output is correct
106 Correct 247 ms 138232 KB Output is correct
107 Correct 229 ms 138260 KB Output is correct
108 Correct 213 ms 138232 KB Output is correct
109 Correct 201 ms 139016 KB Output is correct
110 Correct 190 ms 139180 KB Output is correct
111 Correct 208 ms 138228 KB Output is correct
112 Correct 201 ms 138232 KB Output is correct
113 Correct 205 ms 138104 KB Output is correct
114 Correct 206 ms 138184 KB Output is correct
115 Correct 208 ms 138232 KB Output is correct