oj.uz

Submission #427220

# Submission time Handle Problem Language Result Execution time Memory
427220 2021-06-14T13:26:34 Z Ahmadsm2005 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 728 ms 41092 KB 
#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++){
      |             ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9700 KB Output is correct
2 Correct 9 ms 9712 KB Output is correct

Subtask #2
20.0 / 20.0

# 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

Subtask #3
20.0 / 20.0

# 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

Subtask #4
15.0 / 15.0

# 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

Subtask #5
20.0 / 20.0

# 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

Subtask #6
15.0 / 15.0

# 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