oj.uz

Submission #605773

# Submission time Handle Problem Language Result Execution time Memory
605773 2022-07-26T02:04:54 Z rrrr10000 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 147 ms 22708 KB 
#include "shoes.h"

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef pair<ll,ll> P;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<vvp> vvvp;
typedef vector<bool> vb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define rsort(a) {sort(all(a));reverse(all(a));}
#define fi first
#define se second
#define pb emplace_back
template<class T> void out(T a){cout<<a<<endl;}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
const ll inf=1001001001;

struct BIT{
	vi bit;
	ll n;
	BIT(ll n_):n(n_),bit(n_+1){}
	void add(ll i,ll x){
		for(i++;i<=n;i+=i&-i)bit[i]+=x;
	}
	ll sum(ll i){
		ll res=0;
		for(;i>0;i-=i&-i)res+=bit[i];
		return res;
	}
	ll get(ll l,ll r){
		return sum(r)-sum(l);
	}
};
long long count_swaps(std::vector<int> s) {
	ll n=s.size(),ans=0;
	vvvi al(n/2,vvi(2));
	vp v(n);
	rep(i,n)v[i]=P(abs(s[i])-1,(int)(s[i]<0));
	for(int i=n-1;i>=0;i--)al[v[i].fi][v[i].se].pb(i);
	vb done(n,false);
	BIT bit(n);
	rep(i,n)bit.add(i,1);
	rep(i,n)if(!done[i]){
		ans+=bit.get(i,al[v[i].fi][v[i].se^1].back())-v[i].se;
		rep(j,2){
			done[al[v[i].fi][j].back()]=true;
			bit.add(al[v[i].fi][j].back(),-1);
			al[v[i].fi][j].pop_back();
		}
	}
	return ans;
}

Compilation message

shoes.cpp: In constructor 'BIT::BIT(ll)':
shoes.cpp:28:5: warning: 'BIT::n' will be initialized after [-Wreorder]
   28 |  ll n;
      |     ^
shoes.cpp:27:5: warning:   'vi BIT::bit' [-Wreorder]
   27 |  vi bit;
      |     ^~~
shoes.cpp:29:2: warning:   when initialized here [-Wreorder]
   29 |  BIT(ll n_):n(n_),bit(n_+1){}
      |  ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 4 ms 2132 KB Output is correct
21 Correct 4 ms 2132 KB Output is correct
22 Correct 41 ms 18144 KB Output is correct
23 Correct 39 ms 18148 KB Output is correct
24 Correct 41 ms 18140 KB Output is correct
25 Correct 41 ms 17904 KB Output is correct
26 Correct 41 ms 18028 KB Output is correct
27 Correct 39 ms 18040 KB Output is correct
28 Correct 38 ms 18120 KB Output is correct
29 Correct 43 ms 18072 KB Output is correct
30 Correct 45 ms 18128 KB Output is correct
31 Correct 45 ms 18052 KB Output is correct
32 Correct 40 ms 18068 KB Output is correct
33 Correct 38 ms 17820 KB Output is correct
34 Correct 39 ms 18080 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 40 ms 18112 KB Output is correct
38 Correct 40 ms 18092 KB Output is correct
39 Correct 41 ms 18112 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 111 ms 22608 KB Output is correct
6 Correct 68 ms 19012 KB Output is correct
7 Correct 147 ms 22688 KB Output is correct
8 Correct 50 ms 18528 KB Output is correct
9 Correct 99 ms 22680 KB Output is correct
10 Correct 122 ms 20044 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 432 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 440 KB Output is correct
49 Correct 1 ms 440 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 436 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 300 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 4 ms 2132 KB Output is correct
55 Correct 4 ms 2132 KB Output is correct
56 Correct 41 ms 18144 KB Output is correct
57 Correct 39 ms 18148 KB Output is correct
58 Correct 41 ms 18140 KB Output is correct
59 Correct 41 ms 17904 KB Output is correct
60 Correct 41 ms 18028 KB Output is correct
61 Correct 39 ms 18040 KB Output is correct
62 Correct 38 ms 18120 KB Output is correct
63 Correct 43 ms 18072 KB Output is correct
64 Correct 45 ms 18128 KB Output is correct
65 Correct 45 ms 18052 KB Output is correct
66 Correct 40 ms 18068 KB Output is correct
67 Correct 38 ms 17820 KB Output is correct
68 Correct 39 ms 18080 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 40 ms 18112 KB Output is correct
72 Correct 40 ms 18092 KB Output is correct
73 Correct 41 ms 18112 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 111 ms 22608 KB Output is correct
79 Correct 68 ms 19012 KB Output is correct
80 Correct 147 ms 22688 KB Output is correct
81 Correct 50 ms 18528 KB Output is correct
82 Correct 99 ms 22680 KB Output is correct
83 Correct 122 ms 20044 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 1 ms 212 KB Output is correct
86 Correct 1 ms 212 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 468 KB Output is correct
89 Correct 1 ms 432 KB Output is correct
90 Correct 1 ms 468 KB Output is correct
91 Correct 1 ms 468 KB Output is correct
92 Correct 1 ms 468 KB Output is correct
93 Correct 1 ms 468 KB Output is correct
94 Correct 1 ms 468 KB Output is correct
95 Correct 1 ms 440 KB Output is correct
96 Correct 1 ms 440 KB Output is correct
97 Correct 1 ms 468 KB Output is correct
98 Correct 1 ms 468 KB Output is correct
99 Correct 1 ms 436 KB Output is correct
100 Correct 1 ms 468 KB Output is correct
101 Correct 7 ms 2384 KB Output is correct
102 Correct 6 ms 2132 KB Output is correct
103 Correct 121 ms 22708 KB Output is correct
104 Correct 100 ms 22700 KB Output is correct
105 Correct 125 ms 20208 KB Output is correct
106 Correct 99 ms 22604 KB Output is correct
107 Correct 65 ms 19116 KB Output is correct
108 Correct 84 ms 19272 KB Output is correct
109 Correct 48 ms 18864 KB Output is correct
110 Correct 39 ms 18084 KB Output is correct
111 Correct 117 ms 21928 KB Output is correct
112 Correct 105 ms 21324 KB Output is correct
113 Correct 72 ms 18988 KB Output is correct
114 Correct 121 ms 22696 KB Output is correct
115 Correct 113 ms 22700 KB Output is correct