#include "shoes.h"
//#include "grader.cpp"
#include<bits/stdc++.h>
using namespace std;
vector<vector<int>>POS(200001);
vector<vector<int>>POS2(200001);
int seg[1600001],lazy[1600001];
void push(int idx){
lazy[idx*2+1]+=lazy[idx],lazy[idx*2+2]+=lazy[idx],seg[idx*2+1]+=lazy[idx],seg[idx*2+2]+=lazy[idx];
lazy[idx]=0;
}
int query(int T,int L=0,int R=400000,int idx=0){
if(L!=R)
push(idx);
if(L==R&&L==T){
return seg[idx];
}
else if(L>T||R<T)
return INT_MIN;
return max(query(T,L,(L+R)/2,idx*2+1),query(T,(L+R)/2+1,R,idx*2+2));
}
void upd(int L,int R,int LL=0,int RR=400000,int idx=0){
if(L!=R)
push(idx);
if(LL>=L&&RR<=R){
lazy[idx]++;
seg[idx]++;
return;
}
else if(LL>R||RR<L)
return;
upd(L,R,LL,(LL+RR)/2,idx*2+1),upd(L,R,(LL+RR)/2+1,RR,idx*2+2);
}
long long count_swaps(vector<int>s){
for(int i=0;i<s.size();i++){
if(s[i]<0)
POS2[-s[i]].push_back(i);
else
POS[s[i]].push_back(i);
}
vector<int>TEMP;
int Z=1;
for(int i=0;i<POS.size();i++){
for(int l=0;l<POS[i].size();l++){
s[POS[i][l]]=Z,s[POS2[i][l]]=-Z;
Z++;
}
}
map<int,int>lol;
for(int i=0;i<s.size();i++)
lol.insert({s[i],i});
set<int>TAKEN;
long long ANS=0;
for(int i=0;i<s.size();i++){
if(TAKEN.find(abs(s[i]))!=TAKEN.end())continue;
TAKEN.insert(abs(s[i]));
int P1=query(i)+i,P2=query(lol.at(-s[i]))+lol.at(-s[i]);
upd(0,lol.at(-s[i]));
ANS+=(P2-P1-1)+(s[i]<0?0:1);
}
return ANS;
}
Compilation message
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:35:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | for(int i=0;i<s.size();i++){
| ~^~~~~~~~~
shoes.cpp:43:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for(int i=0;i<POS.size();i++){
| ~^~~~~~~~~~~
shoes.cpp:44:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | for(int l=0;l<POS[i].size();l++){
| ~^~~~~~~~~~~~~~
shoes.cpp:50:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
50 | for(int i=0;i<s.size();i++)
| ~^~~~~~~~~
shoes.cpp:54:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
54 | for(int i=0;i<s.size();i++){
| ~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9700 KB |
Output is correct |
2 |
Correct |
9 ms |
9712 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9700 KB |
Output is correct |
2 |
Correct |
9 ms |
9712 KB |
Output is correct |
3 |
Correct |
7 ms |
9824 KB |
Output is correct |
4 |
Correct |
8 ms |
9816 KB |
Output is correct |
5 |
Correct |
9 ms |
9804 KB |
Output is correct |
6 |
Correct |
7 ms |
9804 KB |
Output is correct |
7 |
Correct |
9 ms |
9816 KB |
Output is correct |
8 |
Correct |
8 ms |
9676 KB |
Output is correct |
9 |
Correct |
8 ms |
9804 KB |
Output is correct |
10 |
Correct |
8 ms |
9804 KB |
Output is correct |
11 |
Correct |
8 ms |
9804 KB |
Output is correct |
12 |
Correct |
8 ms |
9804 KB |
Output is correct |
13 |
Correct |
7 ms |
9696 KB |
Output is correct |
14 |
Correct |
7 ms |
9696 KB |
Output is correct |
15 |
Correct |
8 ms |
9748 KB |
Output is correct |
16 |
Correct |
8 ms |
9760 KB |
Output is correct |
17 |
Correct |
8 ms |
9804 KB |
Output is correct |
18 |
Correct |
9 ms |
9804 KB |
Output is correct |
19 |
Correct |
8 ms |
9792 KB |
Output is correct |
20 |
Correct |
7 ms |
9808 KB |
Output is correct |
21 |
Correct |
9 ms |
9804 KB |
Output is correct |
22 |
Correct |
8 ms |
9804 KB |
Output is correct |
23 |
Correct |
7 ms |
9748 KB |
Output is correct |
24 |
Correct |
7 ms |
9804 KB |
Output is correct |
25 |
Correct |
7 ms |
9804 KB |
Output is correct |
26 |
Correct |
9 ms |
9804 KB |
Output is correct |
27 |
Correct |
8 ms |
9804 KB |
Output is correct |
28 |
Correct |
8 ms |
9788 KB |
Output is correct |
29 |
Correct |
8 ms |
9804 KB |
Output is correct |
30 |
Correct |
10 ms |
9780 KB |
Output is correct |
31 |
Correct |
8 ms |
9796 KB |
Output is correct |
32 |
Correct |
8 ms |
9804 KB |
Output is correct |
33 |
Correct |
9 ms |
9804 KB |
Output is correct |
34 |
Correct |
9 ms |
9804 KB |
Output is correct |
35 |
Correct |
8 ms |
9804 KB |
Output is correct |
36 |
Correct |
9 ms |
9724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9700 KB |
Output is correct |
2 |
Correct |
9 ms |
9712 KB |
Output is correct |
3 |
Correct |
9 ms |
9804 KB |
Output is correct |
4 |
Correct |
7 ms |
9804 KB |
Output is correct |
5 |
Correct |
7 ms |
9804 KB |
Output is correct |
6 |
Correct |
7 ms |
9804 KB |
Output is correct |
7 |
Correct |
7 ms |
9804 KB |
Output is correct |
8 |
Correct |
7 ms |
9804 KB |
Output is correct |
9 |
Correct |
7 ms |
9748 KB |
Output is correct |
10 |
Correct |
8 ms |
9804 KB |
Output is correct |
11 |
Correct |
7 ms |
9804 KB |
Output is correct |
12 |
Correct |
8 ms |
9676 KB |
Output is correct |
13 |
Correct |
11 ms |
9804 KB |
Output is correct |
14 |
Correct |
8 ms |
9804 KB |
Output is correct |
15 |
Correct |
8 ms |
9804 KB |
Output is correct |
16 |
Correct |
8 ms |
9808 KB |
Output is correct |
17 |
Correct |
10 ms |
9804 KB |
Output is correct |
18 |
Correct |
10 ms |
10060 KB |
Output is correct |
19 |
Correct |
10 ms |
10060 KB |
Output is correct |
20 |
Correct |
30 ms |
12260 KB |
Output is correct |
21 |
Correct |
30 ms |
12176 KB |
Output is correct |
22 |
Correct |
259 ms |
34336 KB |
Output is correct |
23 |
Correct |
301 ms |
35608 KB |
Output is correct |
24 |
Correct |
286 ms |
35588 KB |
Output is correct |
25 |
Correct |
289 ms |
33456 KB |
Output is correct |
26 |
Correct |
272 ms |
35688 KB |
Output is correct |
27 |
Correct |
278 ms |
35472 KB |
Output is correct |
28 |
Correct |
277 ms |
33564 KB |
Output is correct |
29 |
Correct |
276 ms |
33600 KB |
Output is correct |
30 |
Correct |
298 ms |
33608 KB |
Output is correct |
31 |
Correct |
259 ms |
35608 KB |
Output is correct |
32 |
Correct |
283 ms |
33628 KB |
Output is correct |
33 |
Correct |
284 ms |
33376 KB |
Output is correct |
34 |
Correct |
273 ms |
33540 KB |
Output is correct |
35 |
Correct |
8 ms |
9676 KB |
Output is correct |
36 |
Correct |
7 ms |
9796 KB |
Output is correct |
37 |
Correct |
303 ms |
33524 KB |
Output is correct |
38 |
Correct |
276 ms |
33656 KB |
Output is correct |
39 |
Correct |
301 ms |
33816 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
9804 KB |
Output is correct |
2 |
Correct |
7 ms |
9804 KB |
Output is correct |
3 |
Correct |
7 ms |
9804 KB |
Output is correct |
4 |
Correct |
7 ms |
9804 KB |
Output is correct |
5 |
Correct |
440 ms |
37848 KB |
Output is correct |
6 |
Correct |
449 ms |
34212 KB |
Output is correct |
7 |
Correct |
450 ms |
39016 KB |
Output is correct |
8 |
Correct |
258 ms |
33700 KB |
Output is correct |
9 |
Correct |
477 ms |
39124 KB |
Output is correct |
10 |
Correct |
395 ms |
36016 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9700 KB |
Output is correct |
2 |
Correct |
9 ms |
9712 KB |
Output is correct |
3 |
Correct |
7 ms |
9824 KB |
Output is correct |
4 |
Correct |
8 ms |
9816 KB |
Output is correct |
5 |
Correct |
9 ms |
9804 KB |
Output is correct |
6 |
Correct |
7 ms |
9804 KB |
Output is correct |
7 |
Correct |
9 ms |
9816 KB |
Output is correct |
8 |
Correct |
8 ms |
9676 KB |
Output is correct |
9 |
Correct |
8 ms |
9804 KB |
Output is correct |
10 |
Correct |
8 ms |
9804 KB |
Output is correct |
11 |
Correct |
8 ms |
9804 KB |
Output is correct |
12 |
Correct |
8 ms |
9804 KB |
Output is correct |
13 |
Correct |
7 ms |
9696 KB |
Output is correct |
14 |
Correct |
7 ms |
9696 KB |
Output is correct |
15 |
Correct |
8 ms |
9748 KB |
Output is correct |
16 |
Correct |
8 ms |
9760 KB |
Output is correct |
17 |
Correct |
8 ms |
9804 KB |
Output is correct |
18 |
Correct |
9 ms |
9804 KB |
Output is correct |
19 |
Correct |
8 ms |
9792 KB |
Output is correct |
20 |
Correct |
7 ms |
9808 KB |
Output is correct |
21 |
Correct |
9 ms |
9804 KB |
Output is correct |
22 |
Correct |
8 ms |
9804 KB |
Output is correct |
23 |
Correct |
7 ms |
9748 KB |
Output is correct |
24 |
Correct |
7 ms |
9804 KB |
Output is correct |
25 |
Correct |
7 ms |
9804 KB |
Output is correct |
26 |
Correct |
9 ms |
9804 KB |
Output is correct |
27 |
Correct |
8 ms |
9804 KB |
Output is correct |
28 |
Correct |
8 ms |
9788 KB |
Output is correct |
29 |
Correct |
8 ms |
9804 KB |
Output is correct |
30 |
Correct |
10 ms |
9780 KB |
Output is correct |
31 |
Correct |
8 ms |
9796 KB |
Output is correct |
32 |
Correct |
8 ms |
9804 KB |
Output is correct |
33 |
Correct |
9 ms |
9804 KB |
Output is correct |
34 |
Correct |
9 ms |
9804 KB |
Output is correct |
35 |
Correct |
8 ms |
9804 KB |
Output is correct |
36 |
Correct |
9 ms |
9724 KB |
Output is correct |
37 |
Correct |
8 ms |
9804 KB |
Output is correct |
38 |
Correct |
7 ms |
9732 KB |
Output is correct |
39 |
Correct |
7 ms |
9804 KB |
Output is correct |
40 |
Correct |
8 ms |
9804 KB |
Output is correct |
41 |
Correct |
9 ms |
10060 KB |
Output is correct |
42 |
Correct |
9 ms |
10060 KB |
Output is correct |
43 |
Correct |
11 ms |
10060 KB |
Output is correct |
44 |
Correct |
11 ms |
10072 KB |
Output is correct |
45 |
Correct |
9 ms |
10048 KB |
Output is correct |
46 |
Correct |
10 ms |
10060 KB |
Output is correct |
47 |
Correct |
9 ms |
10040 KB |
Output is correct |
48 |
Correct |
10 ms |
10060 KB |
Output is correct |
49 |
Correct |
11 ms |
10068 KB |
Output is correct |
50 |
Correct |
10 ms |
10020 KB |
Output is correct |
51 |
Correct |
10 ms |
9984 KB |
Output is correct |
52 |
Correct |
11 ms |
10080 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9700 KB |
Output is correct |
2 |
Correct |
9 ms |
9712 KB |
Output is correct |
3 |
Correct |
7 ms |
9824 KB |
Output is correct |
4 |
Correct |
8 ms |
9816 KB |
Output is correct |
5 |
Correct |
9 ms |
9804 KB |
Output is correct |
6 |
Correct |
7 ms |
9804 KB |
Output is correct |
7 |
Correct |
9 ms |
9816 KB |
Output is correct |
8 |
Correct |
8 ms |
9676 KB |
Output is correct |
9 |
Correct |
8 ms |
9804 KB |
Output is correct |
10 |
Correct |
8 ms |
9804 KB |
Output is correct |
11 |
Correct |
8 ms |
9804 KB |
Output is correct |
12 |
Correct |
8 ms |
9804 KB |
Output is correct |
13 |
Correct |
7 ms |
9696 KB |
Output is correct |
14 |
Correct |
7 ms |
9696 KB |
Output is correct |
15 |
Correct |
8 ms |
9748 KB |
Output is correct |
16 |
Correct |
8 ms |
9760 KB |
Output is correct |
17 |
Correct |
8 ms |
9804 KB |
Output is correct |
18 |
Correct |
9 ms |
9804 KB |
Output is correct |
19 |
Correct |
8 ms |
9792 KB |
Output is correct |
20 |
Correct |
7 ms |
9808 KB |
Output is correct |
21 |
Correct |
9 ms |
9804 KB |
Output is correct |
22 |
Correct |
8 ms |
9804 KB |
Output is correct |
23 |
Correct |
7 ms |
9748 KB |
Output is correct |
24 |
Correct |
7 ms |
9804 KB |
Output is correct |
25 |
Correct |
7 ms |
9804 KB |
Output is correct |
26 |
Correct |
9 ms |
9804 KB |
Output is correct |
27 |
Correct |
8 ms |
9804 KB |
Output is correct |
28 |
Correct |
8 ms |
9788 KB |
Output is correct |
29 |
Correct |
8 ms |
9804 KB |
Output is correct |
30 |
Correct |
10 ms |
9780 KB |
Output is correct |
31 |
Correct |
8 ms |
9796 KB |
Output is correct |
32 |
Correct |
8 ms |
9804 KB |
Output is correct |
33 |
Correct |
9 ms |
9804 KB |
Output is correct |
34 |
Correct |
9 ms |
9804 KB |
Output is correct |
35 |
Correct |
8 ms |
9804 KB |
Output is correct |
36 |
Correct |
9 ms |
9724 KB |
Output is correct |
37 |
Correct |
9 ms |
9804 KB |
Output is correct |
38 |
Correct |
7 ms |
9804 KB |
Output is correct |
39 |
Correct |
7 ms |
9804 KB |
Output is correct |
40 |
Correct |
7 ms |
9804 KB |
Output is correct |
41 |
Correct |
7 ms |
9804 KB |
Output is correct |
42 |
Correct |
7 ms |
9804 KB |
Output is correct |
43 |
Correct |
7 ms |
9748 KB |
Output is correct |
44 |
Correct |
8 ms |
9804 KB |
Output is correct |
45 |
Correct |
7 ms |
9804 KB |
Output is correct |
46 |
Correct |
8 ms |
9676 KB |
Output is correct |
47 |
Correct |
11 ms |
9804 KB |
Output is correct |
48 |
Correct |
8 ms |
9804 KB |
Output is correct |
49 |
Correct |
8 ms |
9804 KB |
Output is correct |
50 |
Correct |
8 ms |
9808 KB |
Output is correct |
51 |
Correct |
10 ms |
9804 KB |
Output is correct |
52 |
Correct |
10 ms |
10060 KB |
Output is correct |
53 |
Correct |
10 ms |
10060 KB |
Output is correct |
54 |
Correct |
30 ms |
12260 KB |
Output is correct |
55 |
Correct |
30 ms |
12176 KB |
Output is correct |
56 |
Correct |
259 ms |
34336 KB |
Output is correct |
57 |
Correct |
301 ms |
35608 KB |
Output is correct |
58 |
Correct |
286 ms |
35588 KB |
Output is correct |
59 |
Correct |
289 ms |
33456 KB |
Output is correct |
60 |
Correct |
272 ms |
35688 KB |
Output is correct |
61 |
Correct |
278 ms |
35472 KB |
Output is correct |
62 |
Correct |
277 ms |
33564 KB |
Output is correct |
63 |
Correct |
276 ms |
33600 KB |
Output is correct |
64 |
Correct |
298 ms |
33608 KB |
Output is correct |
65 |
Correct |
259 ms |
35608 KB |
Output is correct |
66 |
Correct |
283 ms |
33628 KB |
Output is correct |
67 |
Correct |
284 ms |
33376 KB |
Output is correct |
68 |
Correct |
273 ms |
33540 KB |
Output is correct |
69 |
Correct |
8 ms |
9676 KB |
Output is correct |
70 |
Correct |
7 ms |
9796 KB |
Output is correct |
71 |
Correct |
303 ms |
33524 KB |
Output is correct |
72 |
Correct |
276 ms |
33656 KB |
Output is correct |
73 |
Correct |
301 ms |
33816 KB |
Output is correct |
74 |
Correct |
8 ms |
9804 KB |
Output is correct |
75 |
Correct |
7 ms |
9804 KB |
Output is correct |
76 |
Correct |
7 ms |
9804 KB |
Output is correct |
77 |
Correct |
7 ms |
9804 KB |
Output is correct |
78 |
Correct |
440 ms |
37848 KB |
Output is correct |
79 |
Correct |
449 ms |
34212 KB |
Output is correct |
80 |
Correct |
450 ms |
39016 KB |
Output is correct |
81 |
Correct |
258 ms |
33700 KB |
Output is correct |
82 |
Correct |
477 ms |
39124 KB |
Output is correct |
83 |
Correct |
395 ms |
36016 KB |
Output is correct |
84 |
Correct |
8 ms |
9804 KB |
Output is correct |
85 |
Correct |
7 ms |
9732 KB |
Output is correct |
86 |
Correct |
7 ms |
9804 KB |
Output is correct |
87 |
Correct |
8 ms |
9804 KB |
Output is correct |
88 |
Correct |
9 ms |
10060 KB |
Output is correct |
89 |
Correct |
9 ms |
10060 KB |
Output is correct |
90 |
Correct |
11 ms |
10060 KB |
Output is correct |
91 |
Correct |
11 ms |
10072 KB |
Output is correct |
92 |
Correct |
9 ms |
10048 KB |
Output is correct |
93 |
Correct |
10 ms |
10060 KB |
Output is correct |
94 |
Correct |
9 ms |
10040 KB |
Output is correct |
95 |
Correct |
10 ms |
10060 KB |
Output is correct |
96 |
Correct |
11 ms |
10068 KB |
Output is correct |
97 |
Correct |
10 ms |
10020 KB |
Output is correct |
98 |
Correct |
10 ms |
9984 KB |
Output is correct |
99 |
Correct |
11 ms |
10080 KB |
Output is correct |
100 |
Correct |
9 ms |
10060 KB |
Output is correct |
101 |
Correct |
40 ms |
12864 KB |
Output is correct |
102 |
Correct |
42 ms |
12448 KB |
Output is correct |
103 |
Correct |
728 ms |
41060 KB |
Output is correct |
104 |
Correct |
536 ms |
41092 KB |
Output is correct |
105 |
Correct |
552 ms |
38360 KB |
Output is correct |
106 |
Correct |
420 ms |
39008 KB |
Output is correct |
107 |
Correct |
502 ms |
36440 KB |
Output is correct |
108 |
Correct |
520 ms |
36844 KB |
Output is correct |
109 |
Correct |
256 ms |
33628 KB |
Output is correct |
110 |
Correct |
284 ms |
33608 KB |
Output is correct |
111 |
Correct |
428 ms |
38408 KB |
Output is correct |
112 |
Correct |
534 ms |
39656 KB |
Output is correct |
113 |
Correct |
563 ms |
34372 KB |
Output is correct |
114 |
Correct |
477 ms |
39100 KB |
Output is correct |
115 |
Correct |
440 ms |
39084 KB |
Output is correct |