oj.uz

답안 #530075

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
530075 2022-02-24T13:55:15 Z Koosha_mv Event Hopping 2 (JOI21_event2) C++14
100 / 100
 234 ms 46860 KB 
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
#define int ll

const int N=4e5+99,lg=20;

int n,k,a[N],L[N],R[N],fenwik[N],par[lg][N];
set<int> st;

void add(int x, int val){ for(x++;x<N;x+=x&-x) fenwik[x]+=val; }
int get(int x) { int res=0; for (x++;x>0;x-=x&-x) res+=fenwik[x]; return res; }

void read(){
	cin>>n>>k;
	vector<int> vec;
	f(i,1,n+1){
		cin>>L[i]>>R[i];
		vec.pb(L[i]);
		vec.pb(R[i]);
	}
	sort(all(vec));
	f(i,0,2*n+1) par[0][i]=2*n;
	f(i,1,n+1){
		L[i]=lower_bound(all(vec),L[i])-vec.begin();
		R[i]=lower_bound(all(vec),R[i])-vec.begin();
		minm(par[0][L[i]],R[i]);
	}
	
}
void build(){
	f(l,0,lg) par[l][2*n]=2*n;
	f_(i,2*n-1,0){
		minm(par[0][i],par[0][i+1]);
		f(l,1,lg) par[l][i]=par[l-1][par[l-1][i]];
	}
}
int get(int l,int r){
	int now=l,ans=0;
	f_(l,lg-1,0){
		if(par[l][now]<=r){
			ans+=(1<<l);
			now=par[l][now];
		}
	}
	return ans;
}
void solve(){
	vector<int> res;
	int ans=get(0,2*n-1);
	add(0,1);
	add(2*n-1,0);
	st.insert(0);
	st.insert(2*n-1);
	if(ans<k){
		cout<<-1;
		return ;
	}	
	f(i,1,n+1){
		if(get(R[i]-1)-get(L[i]) || bit(get(L[i]),0)==0 || k==0){
			continue ;
		}
		int l=*prev(st.upper_bound(L[i])),r=*st.upper_bound(L[i]);
		if(ans-get(l,r)+get(l,L[i])+get(R[i],r)+1<k) continue ;
		k--;
		ans=ans-get(l,r)+get(l,L[i])+get(R[i],r);
		add(L[i],1);
		add(R[i],1);
		st.insert(L[i]);
		st.insert(R[i]);
		res.pb(i);
	}
	for(auto x : res){
		cout<<x<<" ";
	}
}

main(){
	ios:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	read();
	build();
	solve();
}

Compilation message

event2.cpp:96:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   96 | main(){
      | ^~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 460 KB Output is correct
4 Correct 154 ms 44888 KB Output is correct
5 Correct 145 ms 46276 KB Output is correct
6 Correct 140 ms 45668 KB Output is correct
7 Correct 131 ms 44448 KB Output is correct
8 Correct 156 ms 46860 KB Output is correct
9 Correct 155 ms 46480 KB Output is correct
10 Correct 144 ms 45612 KB Output is correct
11 Correct 130 ms 44556 KB Output is correct
12 Correct 119 ms 43020 KB Output is correct
13 Correct 116 ms 42556 KB Output is correct
14 Correct 111 ms 42212 KB Output is correct
15 Correct 107 ms 41576 KB Output is correct
16 Correct 72 ms 38212 KB Output is correct
17 Correct 71 ms 38072 KB Output is correct
18 Correct 72 ms 37728 KB Output is correct
19 Correct 60 ms 37008 KB Output is correct
20 Correct 62 ms 37020 KB Output is correct
21 Correct 60 ms 36932 KB Output is correct
22 Correct 63 ms 36772 KB Output is correct
23 Correct 61 ms 36744 KB Output is correct
24 Correct 61 ms 36612 KB Output is correct
25 Correct 65 ms 35716 KB Output is correct
26 Correct 67 ms 35736 KB Output is correct
27 Correct 65 ms 35644 KB Output is correct
28 Correct 50 ms 35356 KB Output is correct
29 Correct 54 ms 35460 KB Output is correct
30 Correct 52 ms 35476 KB Output is correct
31 Correct 54 ms 35356 KB Output is correct
32 Correct 58 ms 35340 KB Output is correct
33 Correct 61 ms 35404 KB Output is correct
34 Correct 98 ms 39956 KB Output is correct
35 Correct 77 ms 38320 KB Output is correct
36 Correct 65 ms 36784 KB Output is correct
37 Correct 105 ms 42236 KB Output is correct
38 Correct 103 ms 41948 KB Output is correct
39 Correct 101 ms 41660 KB Output is correct
40 Correct 102 ms 41296 KB Output is correct
41 Correct 95 ms 41076 KB Output is correct
42 Correct 70 ms 35356 KB Output is correct
43 Correct 116 ms 41916 KB Output is correct
44 Correct 111 ms 41740 KB Output is correct
45 Correct 108 ms 41404 KB Output is correct
46 Correct 114 ms 41080 KB Output is correct

Subtask #2
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 0 ms 444 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 448 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 1 ms 448 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 452 KB Output is correct
14 Correct 1 ms 448 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 444 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 1 ms 444 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 0 ms 460 KB Output is correct
24 Correct 1 ms 448 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 448 KB Output is correct
27 Correct 1 ms 460 KB Output is correct

Subtask #3
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 0 ms 444 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 448 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 1 ms 448 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 452 KB Output is correct
14 Correct 1 ms 448 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 444 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 1 ms 444 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 0 ms 460 KB Output is correct
24 Correct 1 ms 448 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 448 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 3 ms 1612 KB Output is correct
29 Correct 2 ms 1612 KB Output is correct
30 Correct 3 ms 1672 KB Output is correct
31 Correct 2 ms 1612 KB Output is correct
32 Correct 3 ms 1612 KB Output is correct
33 Correct 2 ms 1612 KB Output is correct
34 Correct 3 ms 1604 KB Output is correct
35 Correct 5 ms 1868 KB Output is correct
36 Correct 5 ms 1824 KB Output is correct
37 Correct 4 ms 1740 KB Output is correct
38 Correct 3 ms 1612 KB Output is correct
39 Correct 4 ms 1868 KB Output is correct
40 Correct 4 ms 1740 KB Output is correct
41 Correct 4 ms 1740 KB Output is correct
42 Correct 3 ms 1612 KB Output is correct
43 Correct 3 ms 1612 KB Output is correct
44 Correct 3 ms 1612 KB Output is correct
45 Correct 3 ms 1692 KB Output is correct
46 Correct 2 ms 1612 KB Output is correct
47 Correct 4 ms 1692 KB Output is correct
48 Correct 4 ms 1612 KB Output is correct
49 Correct 3 ms 1612 KB Output is correct
50 Correct 3 ms 1604 KB Output is correct
51 Correct 3 ms 1612 KB Output is correct
52 Correct 3 ms 1696 KB Output is correct
53 Correct 3 ms 1612 KB Output is correct
54 Correct 3 ms 1616 KB Output is correct
55 Correct 4 ms 1740 KB Output is correct
56 Correct 4 ms 1740 KB Output is correct
57 Correct 4 ms 1744 KB Output is correct
58 Correct 4 ms 1744 KB Output is correct
59 Correct 4 ms 1744 KB Output is correct
60 Correct 4 ms 1744 KB Output is correct
61 Correct 4 ms 1740 KB Output is correct
62 Correct 4 ms 1700 KB Output is correct
63 Correct 4 ms 1704 KB Output is correct
64 Correct 2 ms 1620 KB Output is correct

Subtask #4
61.0 / 61.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 460 KB Output is correct
4 Correct 154 ms 44888 KB Output is correct
5 Correct 145 ms 46276 KB Output is correct
6 Correct 140 ms 45668 KB Output is correct
7 Correct 131 ms 44448 KB Output is correct
8 Correct 156 ms 46860 KB Output is correct
9 Correct 155 ms 46480 KB Output is correct
10 Correct 144 ms 45612 KB Output is correct
11 Correct 130 ms 44556 KB Output is correct
12 Correct 119 ms 43020 KB Output is correct
13 Correct 116 ms 42556 KB Output is correct
14 Correct 111 ms 42212 KB Output is correct
15 Correct 107 ms 41576 KB Output is correct
16 Correct 72 ms 38212 KB Output is correct
17 Correct 71 ms 38072 KB Output is correct
18 Correct 72 ms 37728 KB Output is correct
19 Correct 60 ms 37008 KB Output is correct
20 Correct 62 ms 37020 KB Output is correct
21 Correct 60 ms 36932 KB Output is correct
22 Correct 63 ms 36772 KB Output is correct
23 Correct 61 ms 36744 KB Output is correct
24 Correct 61 ms 36612 KB Output is correct
25 Correct 65 ms 35716 KB Output is correct
26 Correct 67 ms 35736 KB Output is correct
27 Correct 65 ms 35644 KB Output is correct
28 Correct 50 ms 35356 KB Output is correct
29 Correct 54 ms 35460 KB Output is correct
30 Correct 52 ms 35476 KB Output is correct
31 Correct 54 ms 35356 KB Output is correct
32 Correct 58 ms 35340 KB Output is correct
33 Correct 61 ms 35404 KB Output is correct
34 Correct 98 ms 39956 KB Output is correct
35 Correct 77 ms 38320 KB Output is correct
36 Correct 65 ms 36784 KB Output is correct
37 Correct 105 ms 42236 KB Output is correct
38 Correct 103 ms 41948 KB Output is correct
39 Correct 101 ms 41660 KB Output is correct
40 Correct 102 ms 41296 KB Output is correct
41 Correct 95 ms 41076 KB Output is correct
42 Correct 70 ms 35356 KB Output is correct
43 Correct 116 ms 41916 KB Output is correct
44 Correct 111 ms 41740 KB Output is correct
45 Correct 108 ms 41404 KB Output is correct
46 Correct 114 ms 41080 KB Output is correct
47 Correct 0 ms 460 KB Output is correct
48 Correct 1 ms 460 KB Output is correct
49 Correct 1 ms 460 KB Output is correct
50 Correct 1 ms 460 KB Output is correct
51 Correct 0 ms 444 KB Output is correct
52 Correct 1 ms 460 KB Output is correct
53 Correct 1 ms 448 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 0 ms 460 KB Output is correct
56 Correct 1 ms 448 KB Output is correct
57 Correct 1 ms 460 KB Output is correct
58 Correct 1 ms 460 KB Output is correct
59 Correct 1 ms 452 KB Output is correct
60 Correct 1 ms 448 KB Output is correct
61 Correct 1 ms 460 KB Output is correct
62 Correct 1 ms 460 KB Output is correct
63 Correct 1 ms 444 KB Output is correct
64 Correct 1 ms 444 KB Output is correct
65 Correct 1 ms 444 KB Output is correct
66 Correct 1 ms 460 KB Output is correct
67 Correct 1 ms 460 KB Output is correct
68 Correct 1 ms 460 KB Output is correct
69 Correct 0 ms 460 KB Output is correct
70 Correct 1 ms 448 KB Output is correct
71 Correct 1 ms 460 KB Output is correct
72 Correct 1 ms 448 KB Output is correct
73 Correct 1 ms 460 KB Output is correct
74 Correct 3 ms 1612 KB Output is correct
75 Correct 2 ms 1612 KB Output is correct
76 Correct 3 ms 1672 KB Output is correct
77 Correct 2 ms 1612 KB Output is correct
78 Correct 3 ms 1612 KB Output is correct
79 Correct 2 ms 1612 KB Output is correct
80 Correct 3 ms 1604 KB Output is correct
81 Correct 5 ms 1868 KB Output is correct
82 Correct 5 ms 1824 KB Output is correct
83 Correct 4 ms 1740 KB Output is correct
84 Correct 3 ms 1612 KB Output is correct
85 Correct 4 ms 1868 KB Output is correct
86 Correct 4 ms 1740 KB Output is correct
87 Correct 4 ms 1740 KB Output is correct
88 Correct 3 ms 1612 KB Output is correct
89 Correct 3 ms 1612 KB Output is correct
90 Correct 3 ms 1612 KB Output is correct
91 Correct 3 ms 1692 KB Output is correct
92 Correct 2 ms 1612 KB Output is correct
93 Correct 4 ms 1692 KB Output is correct
94 Correct 4 ms 1612 KB Output is correct
95 Correct 3 ms 1612 KB Output is correct
96 Correct 3 ms 1604 KB Output is correct
97 Correct 3 ms 1612 KB Output is correct
98 Correct 3 ms 1696 KB Output is correct
99 Correct 3 ms 1612 KB Output is correct
100 Correct 3 ms 1616 KB Output is correct
101 Correct 4 ms 1740 KB Output is correct
102 Correct 4 ms 1740 KB Output is correct
103 Correct 4 ms 1744 KB Output is correct
104 Correct 4 ms 1744 KB Output is correct
105 Correct 4 ms 1744 KB Output is correct
106 Correct 4 ms 1744 KB Output is correct
107 Correct 4 ms 1740 KB Output is correct
108 Correct 4 ms 1700 KB Output is correct
109 Correct 4 ms 1704 KB Output is correct
110 Correct 2 ms 1620 KB Output is correct
111 Correct 82 ms 36996 KB Output is correct
112 Correct 94 ms 37044 KB Output is correct
113 Correct 84 ms 36636 KB Output is correct
114 Correct 81 ms 36056 KB Output is correct
115 Correct 83 ms 35872 KB Output is correct
116 Correct 83 ms 35380 KB Output is correct
117 Correct 78 ms 35340 KB Output is correct
118 Correct 234 ms 46812 KB Output is correct
119 Correct 215 ms 45840 KB Output is correct
120 Correct 150 ms 41760 KB Output is correct
121 Correct 74 ms 35356 KB Output is correct
122 Correct 172 ms 43040 KB Output is correct
123 Correct 173 ms 42484 KB Output is correct
124 Correct 149 ms 41788 KB Output is correct
125 Correct 74 ms 35380 KB Output is correct
126 Correct 109 ms 38128 KB Output is correct
127 Correct 105 ms 38020 KB Output is correct
128 Correct 96 ms 38004 KB Output is correct
129 Correct 76 ms 35344 KB Output is correct
130 Correct 92 ms 37008 KB Output is correct
131 Correct 90 ms 37104 KB Output is correct
132 Correct 84 ms 36980 KB Output is correct
133 Correct 77 ms 35404 KB Output is correct
134 Correct 88 ms 36876 KB Output is correct
135 Correct 91 ms 36796 KB Output is correct
136 Correct 83 ms 36764 KB Output is correct
137 Correct 88 ms 35548 KB Output is correct
138 Correct 86 ms 35712 KB Output is correct
139 Correct 85 ms 35720 KB Output is correct
140 Correct 89 ms 35764 KB Output is correct
141 Correct 80 ms 35352 KB Output is correct
142 Correct 149 ms 42892 KB Output is correct
143 Correct 150 ms 42908 KB Output is correct
144 Correct 154 ms 42884 KB Output is correct
145 Correct 140 ms 42888 KB Output is correct
146 Correct 140 ms 42688 KB Output is correct
147 Correct 135 ms 42548 KB Output is correct
148 Correct 136 ms 42336 KB Output is correct
149 Correct 131 ms 42256 KB Output is correct
150 Correct 131 ms 42124 KB Output is correct
151 Correct 118 ms 41380 KB Output is correct
152 Correct 51 ms 35404 KB Output is correct
153 Correct 143 ms 43076 KB Output is correct
154 Correct 143 ms 42764 KB Output is correct
155 Correct 139 ms 42488 KB Output is correct
156 Correct 138 ms 42360 KB Output is correct
157 Correct 140 ms 42276 KB Output is correct
158 Correct 133 ms 42072 KB Output is correct
159 Correct 127 ms 41340 KB Output is correct
160 Correct 55 ms 35448 KB Output is correct
161 Correct 160 ms 41568 KB Output is correct
162 Correct 160 ms 41488 KB Output is correct
163 Correct 150 ms 41208 KB Output is correct
164 Correct 155 ms 41148 KB Output is correct
165 Correct 145 ms 40884 KB Output is correct
166 Correct 55 ms 35380 KB Output is correct
167 Correct 110 ms 41920 KB Output is correct
168 Correct 114 ms 41740 KB Output is correct
169 Correct 108 ms 41452 KB Output is correct
170 Correct 103 ms 41140 KB Output is correct
171 Correct 103 ms 41552 KB Output is correct
172 Correct 106 ms 42264 KB Output is correct
173 Correct 170 ms 39840 KB Output is correct
174 Correct 173 ms 39812 KB Output is correct
175 Correct 165 ms 39828 KB Output is correct
176 Correct 140 ms 39944 KB Output is correct