oj.uz

Submission #248810

# Submission time Handle Problem Language Result Execution time Memory
248810 2020-07-13T12:55:22 Z legend Arranging Shoes (IOI19_shoes) C++17
100 / 100
 555 ms 35960 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 2*1000*101;
int t[4*N];
void update(int v,int s,int e,int l,int r,int val){
    if(l>r) return;
    if(s == l && e == r){
        t[v] = val;
        return;
    }
    int m = (s+e)/2;
    update(v*2,s,m,l,min(m,r),val);
    update(v*2+1,m+1,e,max(l,m+1),r,val);
    t[v] = t[v*2]+t[v*2+1];
}
int get(int v,int s,int e,int l,int r){
    if(l>r) return 0;
    if(s == l && e == r) return t[v];
    int m = (s+e)/2;
    return get(v*2,s,m,l,min(m,r))+
           get(v*2+1,m+1,e,max(l,m+1),r);
}
long long count_swaps(std::vector<int> s) {
	long long ans = 0;
	map<int,list<int> > mp;
	map<int,int> kl;
	int n = s.size();
	for(int i = 0;i<s.size();i++){
                if(mp[-s[i]].size()){
                    kl[mp[-s[i]].front()] = i;
                    mp[-s[i]].pop_front();
                    continue;
                }
                mp[s[i]].push_back(i);
	}
	map<int,bool> don;
	for(int i = 0;i<s.size();i++){
        if(don[i]) continue;
        if(!kl[i]) continue;
        if(s[i]>0) ans++;
        int pos = kl[i];
        int cnt = get(1,0,n-1,i+1,pos);
        int dist = pos-i-1;
        dist-=cnt;
        ans+=dist;
        update(1,0,n-1,pos,pos,1);
        don[pos] = 1;
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:29:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0;i<s.size();i++){
                ~^~~~~~~~~
shoes.cpp:38:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0;i<s.size();i++){
                ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 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 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 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 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 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 0 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 0 ms 256 KB Output is correct
12 Correct 0 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 384 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 14 ms 2176 KB Output is correct
21 Correct 13 ms 2176 KB Output is correct
22 Correct 152 ms 18040 KB Output is correct
23 Correct 161 ms 18040 KB Output is correct
24 Correct 147 ms 18168 KB Output is correct
25 Correct 167 ms 17016 KB Output is correct
26 Correct 153 ms 18168 KB Output is correct
27 Correct 162 ms 18108 KB Output is correct
28 Correct 169 ms 17144 KB Output is correct
29 Correct 175 ms 17144 KB Output is correct
30 Correct 174 ms 17144 KB Output is correct
31 Correct 170 ms 18408 KB Output is correct
32 Correct 165 ms 17144 KB Output is correct
33 Correct 170 ms 17160 KB Output is correct
34 Correct 179 ms 17144 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 165 ms 17144 KB Output is correct
38 Correct 176 ms 17212 KB Output is correct
39 Correct 176 ms 17400 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 400 ms 35832 KB Output is correct
6 Correct 243 ms 18680 KB Output is correct
7 Correct 396 ms 35960 KB Output is correct
8 Correct 193 ms 17272 KB Output is correct
9 Correct 390 ms 35960 KB Output is correct
10 Correct 327 ms 26232 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 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 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 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 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 0 ms 256 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 3 ms 640 KB Output is correct
42 Correct 2 ms 640 KB Output is correct
43 Correct 2 ms 640 KB Output is correct
44 Correct 2 ms 640 KB Output is correct
45 Correct 2 ms 640 KB Output is correct
46 Correct 2 ms 512 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 2 ms 512 KB Output is correct
49 Correct 2 ms 512 KB Output is correct
50 Correct 2 ms 512 KB Output is correct
51 Correct 1 ms 512 KB Output is correct
52 Correct 2 ms 640 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 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 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 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 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 0 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 0 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 0 ms 256 KB Output is correct
45 Correct 0 ms 256 KB Output is correct
46 Correct 0 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 0 ms 256 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 2 ms 512 KB Output is correct
53 Correct 2 ms 512 KB Output is correct
54 Correct 14 ms 2176 KB Output is correct
55 Correct 13 ms 2176 KB Output is correct
56 Correct 152 ms 18040 KB Output is correct
57 Correct 161 ms 18040 KB Output is correct
58 Correct 147 ms 18168 KB Output is correct
59 Correct 167 ms 17016 KB Output is correct
60 Correct 153 ms 18168 KB Output is correct
61 Correct 162 ms 18108 KB Output is correct
62 Correct 169 ms 17144 KB Output is correct
63 Correct 175 ms 17144 KB Output is correct
64 Correct 174 ms 17144 KB Output is correct
65 Correct 170 ms 18408 KB Output is correct
66 Correct 165 ms 17144 KB Output is correct
67 Correct 170 ms 17160 KB Output is correct
68 Correct 179 ms 17144 KB Output is correct
69 Correct 0 ms 256 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 165 ms 17144 KB Output is correct
72 Correct 176 ms 17212 KB Output is correct
73 Correct 176 ms 17400 KB Output is correct
74 Correct 0 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 0 ms 256 KB Output is correct
78 Correct 400 ms 35832 KB Output is correct
79 Correct 243 ms 18680 KB Output is correct
80 Correct 396 ms 35960 KB Output is correct
81 Correct 193 ms 17272 KB Output is correct
82 Correct 390 ms 35960 KB Output is correct
83 Correct 327 ms 26232 KB Output is correct
84 Correct 0 ms 256 KB Output is correct
85 Correct 0 ms 384 KB Output is correct
86 Correct 1 ms 384 KB Output is correct
87 Correct 1 ms 384 KB Output is correct
88 Correct 3 ms 640 KB Output is correct
89 Correct 2 ms 640 KB Output is correct
90 Correct 2 ms 640 KB Output is correct
91 Correct 2 ms 640 KB Output is correct
92 Correct 2 ms 640 KB Output is correct
93 Correct 2 ms 512 KB Output is correct
94 Correct 3 ms 512 KB Output is correct
95 Correct 2 ms 512 KB Output is correct
96 Correct 2 ms 512 KB Output is correct
97 Correct 2 ms 512 KB Output is correct
98 Correct 1 ms 512 KB Output is correct
99 Correct 2 ms 640 KB Output is correct
100 Correct 3 ms 640 KB Output is correct
101 Correct 28 ms 3840 KB Output is correct
102 Correct 23 ms 2560 KB Output is correct
103 Correct 555 ms 35448 KB Output is correct
104 Correct 334 ms 33784 KB Output is correct
105 Correct 339 ms 27128 KB Output is correct
106 Correct 380 ms 35960 KB Output is correct
107 Correct 233 ms 19960 KB Output is correct
108 Correct 239 ms 21624 KB Output is correct
109 Correct 176 ms 17272 KB Output is correct
110 Correct 168 ms 17144 KB Output is correct
111 Correct 380 ms 33828 KB Output is correct
112 Correct 449 ms 32376 KB Output is correct
113 Correct 369 ms 20088 KB Output is correct
114 Correct 393 ms 35936 KB Output is correct
115 Correct 401 ms 35960 KB Output is correct