oj.uz

답안 #523095

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
523095 2022-02-07T04:08:18 Z nathanlee726 Event Hopping 2 (JOI21_event2) C++14
100 / 100
 277 ms 56164 KB 
//#include<i_am_noob_orz>
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
#define ll long long
#define int ll
#define ull unsigned long long
#define pii pair<int,int>
#define X first
#define Y second
#define mod ((ll)1e9+7)
#define pb push_back
#define mp make_pair
#define abs(x) ((x)>0?(x):(-(x)))
#define F(n) Fi(i,n)
#define Fi(i,n) Fl(i,0,n)
#define Fl(i,l,n) for(int i=l;i<n;i++)
#define memres(a) memset(a,0,sizeof(a))
#define all(a) a.begin(),a.end()
#define sz(a) ((int)a.size())
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define endl '\n'
#define bit_count(x) __builtin_popcountll((x))
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define jimmy_is_kind false
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> rbtree;
 
//#define LOCAL
#ifdef LOCAL
#define bug(...) cerr<<"#"<<__LINE__<<' '<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr<<x<<", "; _do(y...);}
#define IOS()
#else
#define IOS() ios_base::sync_with_stdio(0), cin.tie(0)
#define endl '\n'
#define bug(...)
#endif
 
int add(int a,int b){return(a+b>=mod?a+b-mod:a+b);}
int sub(int a,int b){return(a<b?a+mod-b:a-b);}
int po(int a,int b){
	if(b==0)return 1;
	if(b==1)return(a%mod);
	int tem=po(a,b/2);
	if(b&1)return(((tem*tem)%mod)*a)%mod;
	else return(tem*tem)%mod; 
}
int GCD(int a,int b){
	int x=0;
	int ra,rb;
	while(a&&b){
		if(((a&1)==0)&&((b&1)==0)){
			a>>=1,b>>=1,x++;
		}
		else if((a^b)&1){
			if(a&1)b>>=1;
			else a>>=1;
		}
		else{
			ra=abs(a-b),rb=min(a,b);
			a=ra,b=rb;
		}
	}
	return max(a,b)<<x;
}
int gcd(int a,int b){if(b==0)return a;return gcd(b,a%b);}

int n,k,dp[200010][18],balbit[200010],ss=0,ind=0,s[200010];
bool ud[200010];
pii pt[100010],pt1[100010],bd[200010];
map<int,int> mm;
vector<int> tv;

void ADD(int x,int vl){
	for(;x<=200006;x+=(x&(-x)))balbit[x]+=vl;
}

int QRY(int x){
	int re=0;
	for(;x>0;x-=(x&(-x)))re+=balbit[x];
	return re;
}

bool cmp(pii a,pii b){
	return a.Y<b.Y;
}

void check(){
	F(n)pt1[i]=pt[i];
	sort(pt1,pt1+n,cmp);
	int cnt=0,p=-1;
	F(n)if(pt1[i].X>=p)cnt++,p=pt1[i].Y;
	if(cnt<k){
		cout<<"-1"<<endl;
		exit(0);
	}
	ss=cnt;
	return;
}

int getv(int l,int r){
	int re=0;
	for(int i=17;i>=0;i--){
		if(dp[l][i]!=-1&&dp[l][i]<=r)l=dp[l][i],re+=(1ll<<i);
	}
	return re;
}

signed main(){
	IOS();
	cin>>n>>k;
	F(n)cin>>pt[i].X>>pt[i].Y,tv.pb(pt[i].X),tv.pb(pt[i].Y);
	sort(all(tv));
	tv.erase(unique(all(tv)),tv.end());
	memset(dp,-1,sizeof(dp));
	F(sz(tv))mm[tv[i]]=i+1;
	F(n)pt[i].X=mm[pt[i].X],pt[i].Y=mm[pt[i].Y];
	F(n)dp[pt[i].X][0]=(dp[pt[i].X][0]==-1?pt[i].Y:min(pt[i].Y,dp[pt[i].X][0]));
	int mn=-1;
	for(int i=200005;i>=1;i--){
		if(mn!=-1)dp[i][0]=(dp[i][0]==-1?mn:min(mn,dp[i][0]));
		if(dp[i][0]!=-1)mn=(mn==-1?dp[i][0]:min(mn,dp[i][0]));
	}
	Fi(j,17)for(int i=1;i<=200005;i++)dp[i][j+1]=(dp[i][j]==-1?-1:dp[dp[i][j]][j]);
	memres(balbit);
	check();
	memres(ud);
	memres(s);
	s[0]=ss;
	bd[0]={1,200005};
	vector<int> o;
	F(n){
		int id=QRY(pt[i].X),id1=QRY(pt[i].Y);
		if(ud[id]||id!=id1)continue;
		int ts=ss-s[id]+1;
		assert(bd[id].X<=pt[i].X&&pt[i].Y<=bd[id].Y);
		int v1=getv(bd[id].X,pt[i].X);
		int v2=getv(pt[i].Y,bd[id].Y);
		ts+=(v1+v2);
		if(ts>=k){
			ud[id]=1;
			ind++;
			bd[ind]={bd[id].X,pt[i].X};
			ADD(bd[id].X,ind-id);
			ADD(pt[i].X+1,id-ind);
			s[ind]=v1;
			ind++;
			bd[ind]={pt[i].Y,bd[id].Y};
			ADD(pt[i].Y,ind-id);
			ADD(bd[id].Y+1,id-ind);
			s[ind]=v2;
			ss=ts;
			o.pb(i+1);
			if(sz(o)==k)break;
		}
	}
	for(int i:o)cout<<i<<endl;
	return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 31776 KB Output is correct
2 Correct 55 ms 31820 KB Output is correct
3 Correct 48 ms 31812 KB Output is correct
4 Correct 171 ms 56160 KB Output is correct
5 Correct 166 ms 55940 KB Output is correct
6 Correct 184 ms 55680 KB Output is correct
7 Correct 165 ms 55352 KB Output is correct
8 Correct 170 ms 56164 KB Output is correct
9 Correct 167 ms 55984 KB Output is correct
10 Correct 188 ms 55756 KB Output is correct
11 Correct 178 ms 55244 KB Output is correct
12 Correct 166 ms 54080 KB Output is correct
13 Correct 168 ms 53920 KB Output is correct
14 Correct 165 ms 53764 KB Output is correct
15 Correct 166 ms 53444 KB Output is correct
16 Correct 164 ms 51660 KB Output is correct
17 Correct 148 ms 51520 KB Output is correct
18 Correct 157 ms 51536 KB Output is correct
19 Correct 152 ms 51132 KB Output is correct
20 Correct 145 ms 51016 KB Output is correct
21 Correct 149 ms 50952 KB Output is correct
22 Correct 153 ms 50984 KB Output is correct
23 Correct 165 ms 50888 KB Output is correct
24 Correct 157 ms 50868 KB Output is correct
25 Correct 167 ms 51016 KB Output is correct
26 Correct 170 ms 50896 KB Output is correct
27 Correct 165 ms 50880 KB Output is correct
28 Correct 156 ms 49164 KB Output is correct
29 Correct 138 ms 49184 KB Output is correct
30 Correct 157 ms 49184 KB Output is correct
31 Correct 155 ms 49204 KB Output is correct
32 Correct 159 ms 49212 KB Output is correct
33 Correct 153 ms 49212 KB Output is correct
34 Correct 168 ms 53048 KB Output is correct
35 Correct 167 ms 52328 KB Output is correct
36 Correct 155 ms 51512 KB Output is correct
37 Correct 167 ms 53652 KB Output is correct
38 Correct 194 ms 53656 KB Output is correct
39 Correct 162 ms 53508 KB Output is correct
40 Correct 156 ms 53464 KB Output is correct
41 Correct 158 ms 53320 KB Output is correct
42 Correct 165 ms 49208 KB Output is correct
43 Correct 176 ms 53612 KB Output is correct
44 Correct 182 ms 53516 KB Output is correct
45 Correct 174 ms 53388 KB Output is correct
46 Correct 181 ms 53364 KB Output is correct

Subtask #2
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 31700 KB Output is correct
2 Correct 45 ms 30032 KB Output is correct
3 Correct 55 ms 31816 KB Output is correct
4 Correct 46 ms 31704 KB Output is correct
5 Correct 47 ms 31812 KB Output is correct
6 Correct 47 ms 31704 KB Output is correct
7 Correct 47 ms 31708 KB Output is correct
8 Correct 51 ms 31820 KB Output is correct
9 Correct 48 ms 31732 KB Output is correct
10 Correct 47 ms 31708 KB Output is correct
11 Correct 54 ms 30012 KB Output is correct
12 Correct 47 ms 31776 KB Output is correct
13 Correct 46 ms 31808 KB Output is correct
14 Correct 47 ms 31824 KB Output is correct
15 Correct 47 ms 30020 KB Output is correct
16 Correct 53 ms 31824 KB Output is correct
17 Correct 47 ms 31812 KB Output is correct
18 Correct 54 ms 31828 KB Output is correct
19 Correct 47 ms 30032 KB Output is correct
20 Correct 46 ms 30036 KB Output is correct
21 Correct 47 ms 31708 KB Output is correct
22 Correct 46 ms 31812 KB Output is correct
23 Correct 57 ms 31828 KB Output is correct
24 Correct 48 ms 30032 KB Output is correct
25 Correct 53 ms 30032 KB Output is correct
26 Correct 47 ms 31816 KB Output is correct
27 Correct 55 ms 31812 KB Output is correct

Subtask #3
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 31700 KB Output is correct
2 Correct 45 ms 30032 KB Output is correct
3 Correct 55 ms 31816 KB Output is correct
4 Correct 46 ms 31704 KB Output is correct
5 Correct 47 ms 31812 KB Output is correct
6 Correct 47 ms 31704 KB Output is correct
7 Correct 47 ms 31708 KB Output is correct
8 Correct 51 ms 31820 KB Output is correct
9 Correct 48 ms 31732 KB Output is correct
10 Correct 47 ms 31708 KB Output is correct
11 Correct 54 ms 30012 KB Output is correct
12 Correct 47 ms 31776 KB Output is correct
13 Correct 46 ms 31808 KB Output is correct
14 Correct 47 ms 31824 KB Output is correct
15 Correct 47 ms 30020 KB Output is correct
16 Correct 53 ms 31824 KB Output is correct
17 Correct 47 ms 31812 KB Output is correct
18 Correct 54 ms 31828 KB Output is correct
19 Correct 47 ms 30032 KB Output is correct
20 Correct 46 ms 30036 KB Output is correct
21 Correct 47 ms 31708 KB Output is correct
22 Correct 46 ms 31812 KB Output is correct
23 Correct 57 ms 31828 KB Output is correct
24 Correct 48 ms 30032 KB Output is correct
25 Correct 53 ms 30032 KB Output is correct
26 Correct 47 ms 31816 KB Output is correct
27 Correct 55 ms 31812 KB Output is correct
28 Correct 59 ms 32368 KB Output is correct
29 Correct 59 ms 32360 KB Output is correct
30 Correct 60 ms 32376 KB Output is correct
31 Correct 50 ms 32360 KB Output is correct
32 Correct 51 ms 32368 KB Output is correct
33 Correct 49 ms 30564 KB Output is correct
34 Correct 49 ms 30600 KB Output is correct
35 Correct 62 ms 32572 KB Output is correct
36 Correct 59 ms 32488 KB Output is correct
37 Correct 55 ms 32452 KB Output is correct
38 Correct 54 ms 30568 KB Output is correct
39 Correct 55 ms 32496 KB Output is correct
40 Correct 55 ms 32484 KB Output is correct
41 Correct 51 ms 32452 KB Output is correct
42 Correct 49 ms 30564 KB Output is correct
43 Correct 54 ms 32356 KB Output is correct
44 Correct 50 ms 32352 KB Output is correct
45 Correct 56 ms 32356 KB Output is correct
46 Correct 51 ms 30572 KB Output is correct
47 Correct 50 ms 32356 KB Output is correct
48 Correct 61 ms 32308 KB Output is correct
49 Correct 51 ms 32352 KB Output is correct
50 Correct 52 ms 30600 KB Output is correct
51 Correct 50 ms 32356 KB Output is correct
52 Correct 53 ms 32304 KB Output is correct
53 Correct 53 ms 32372 KB Output is correct
54 Correct 49 ms 30560 KB Output is correct
55 Correct 54 ms 32300 KB Output is correct
56 Correct 50 ms 32292 KB Output is correct
57 Correct 49 ms 32304 KB Output is correct
58 Correct 49 ms 32276 KB Output is correct
59 Correct 53 ms 32300 KB Output is correct
60 Correct 49 ms 32324 KB Output is correct
61 Correct 55 ms 32300 KB Output is correct
62 Correct 54 ms 32304 KB Output is correct
63 Correct 55 ms 32304 KB Output is correct
64 Correct 57 ms 30380 KB Output is correct

Subtask #4
61.0 / 61.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 31776 KB Output is correct
2 Correct 55 ms 31820 KB Output is correct
3 Correct 48 ms 31812 KB Output is correct
4 Correct 171 ms 56160 KB Output is correct
5 Correct 166 ms 55940 KB Output is correct
6 Correct 184 ms 55680 KB Output is correct
7 Correct 165 ms 55352 KB Output is correct
8 Correct 170 ms 56164 KB Output is correct
9 Correct 167 ms 55984 KB Output is correct
10 Correct 188 ms 55756 KB Output is correct
11 Correct 178 ms 55244 KB Output is correct
12 Correct 166 ms 54080 KB Output is correct
13 Correct 168 ms 53920 KB Output is correct
14 Correct 165 ms 53764 KB Output is correct
15 Correct 166 ms 53444 KB Output is correct
16 Correct 164 ms 51660 KB Output is correct
17 Correct 148 ms 51520 KB Output is correct
18 Correct 157 ms 51536 KB Output is correct
19 Correct 152 ms 51132 KB Output is correct
20 Correct 145 ms 51016 KB Output is correct
21 Correct 149 ms 50952 KB Output is correct
22 Correct 153 ms 50984 KB Output is correct
23 Correct 165 ms 50888 KB Output is correct
24 Correct 157 ms 50868 KB Output is correct
25 Correct 167 ms 51016 KB Output is correct
26 Correct 170 ms 50896 KB Output is correct
27 Correct 165 ms 50880 KB Output is correct
28 Correct 156 ms 49164 KB Output is correct
29 Correct 138 ms 49184 KB Output is correct
30 Correct 157 ms 49184 KB Output is correct
31 Correct 155 ms 49204 KB Output is correct
32 Correct 159 ms 49212 KB Output is correct
33 Correct 153 ms 49212 KB Output is correct
34 Correct 168 ms 53048 KB Output is correct
35 Correct 167 ms 52328 KB Output is correct
36 Correct 155 ms 51512 KB Output is correct
37 Correct 167 ms 53652 KB Output is correct
38 Correct 194 ms 53656 KB Output is correct
39 Correct 162 ms 53508 KB Output is correct
40 Correct 156 ms 53464 KB Output is correct
41 Correct 158 ms 53320 KB Output is correct
42 Correct 165 ms 49208 KB Output is correct
43 Correct 176 ms 53612 KB Output is correct
44 Correct 182 ms 53516 KB Output is correct
45 Correct 174 ms 53388 KB Output is correct
46 Correct 181 ms 53364 KB Output is correct
47 Correct 48 ms 31700 KB Output is correct
48 Correct 45 ms 30032 KB Output is correct
49 Correct 55 ms 31816 KB Output is correct
50 Correct 46 ms 31704 KB Output is correct
51 Correct 47 ms 31812 KB Output is correct
52 Correct 47 ms 31704 KB Output is correct
53 Correct 47 ms 31708 KB Output is correct
54 Correct 51 ms 31820 KB Output is correct
55 Correct 48 ms 31732 KB Output is correct
56 Correct 47 ms 31708 KB Output is correct
57 Correct 54 ms 30012 KB Output is correct
58 Correct 47 ms 31776 KB Output is correct
59 Correct 46 ms 31808 KB Output is correct
60 Correct 47 ms 31824 KB Output is correct
61 Correct 47 ms 30020 KB Output is correct
62 Correct 53 ms 31824 KB Output is correct
63 Correct 47 ms 31812 KB Output is correct
64 Correct 54 ms 31828 KB Output is correct
65 Correct 47 ms 30032 KB Output is correct
66 Correct 46 ms 30036 KB Output is correct
67 Correct 47 ms 31708 KB Output is correct
68 Correct 46 ms 31812 KB Output is correct
69 Correct 57 ms 31828 KB Output is correct
70 Correct 48 ms 30032 KB Output is correct
71 Correct 53 ms 30032 KB Output is correct
72 Correct 47 ms 31816 KB Output is correct
73 Correct 55 ms 31812 KB Output is correct
74 Correct 59 ms 32368 KB Output is correct
75 Correct 59 ms 32360 KB Output is correct
76 Correct 60 ms 32376 KB Output is correct
77 Correct 50 ms 32360 KB Output is correct
78 Correct 51 ms 32368 KB Output is correct
79 Correct 49 ms 30564 KB Output is correct
80 Correct 49 ms 30600 KB Output is correct
81 Correct 62 ms 32572 KB Output is correct
82 Correct 59 ms 32488 KB Output is correct
83 Correct 55 ms 32452 KB Output is correct
84 Correct 54 ms 30568 KB Output is correct
85 Correct 55 ms 32496 KB Output is correct
86 Correct 55 ms 32484 KB Output is correct
87 Correct 51 ms 32452 KB Output is correct
88 Correct 49 ms 30564 KB Output is correct
89 Correct 54 ms 32356 KB Output is correct
90 Correct 50 ms 32352 KB Output is correct
91 Correct 56 ms 32356 KB Output is correct
92 Correct 51 ms 30572 KB Output is correct
93 Correct 50 ms 32356 KB Output is correct
94 Correct 61 ms 32308 KB Output is correct
95 Correct 51 ms 32352 KB Output is correct
96 Correct 52 ms 30600 KB Output is correct
97 Correct 50 ms 32356 KB Output is correct
98 Correct 53 ms 32304 KB Output is correct
99 Correct 53 ms 32372 KB Output is correct
100 Correct 49 ms 30560 KB Output is correct
101 Correct 54 ms 32300 KB Output is correct
102 Correct 50 ms 32292 KB Output is correct
103 Correct 49 ms 32304 KB Output is correct
104 Correct 49 ms 32276 KB Output is correct
105 Correct 53 ms 32300 KB Output is correct
106 Correct 49 ms 32324 KB Output is correct
107 Correct 55 ms 32300 KB Output is correct
108 Correct 54 ms 32304 KB Output is correct
109 Correct 55 ms 32304 KB Output is correct
110 Correct 57 ms 30380 KB Output is correct
111 Correct 250 ms 50872 KB Output is correct
112 Correct 248 ms 50956 KB Output is correct
113 Correct 243 ms 50932 KB Output is correct
114 Correct 252 ms 50984 KB Output is correct
115 Correct 251 ms 50900 KB Output is correct
116 Correct 247 ms 49164 KB Output is correct
117 Correct 244 ms 49160 KB Output is correct
118 Correct 265 ms 56160 KB Output is correct
119 Correct 277 ms 55688 KB Output is correct
120 Correct 252 ms 53524 KB Output is correct
121 Correct 226 ms 49160 KB Output is correct
122 Correct 266 ms 54080 KB Output is correct
123 Correct 252 ms 53808 KB Output is correct
124 Correct 238 ms 53544 KB Output is correct
125 Correct 218 ms 49160 KB Output is correct
126 Correct 248 ms 51644 KB Output is correct
127 Correct 234 ms 51512 KB Output is correct
128 Correct 252 ms 51572 KB Output is correct
129 Correct 236 ms 49176 KB Output is correct
130 Correct 249 ms 50996 KB Output is correct
131 Correct 245 ms 51016 KB Output is correct
132 Correct 264 ms 50952 KB Output is correct
133 Correct 244 ms 49164 KB Output is correct
134 Correct 250 ms 50960 KB Output is correct
135 Correct 246 ms 50876 KB Output is correct
136 Correct 253 ms 51000 KB Output is correct
137 Correct 228 ms 49284 KB Output is correct
138 Correct 234 ms 50860 KB Output is correct
139 Correct 232 ms 50880 KB Output is correct
140 Correct 247 ms 50988 KB Output is correct
141 Correct 228 ms 49204 KB Output is correct
142 Correct 136 ms 50228 KB Output is correct
143 Correct 135 ms 50232 KB Output is correct
144 Correct 136 ms 50224 KB Output is correct
145 Correct 142 ms 50236 KB Output is correct
146 Correct 135 ms 50100 KB Output is correct
147 Correct 138 ms 49976 KB Output is correct
148 Correct 140 ms 49976 KB Output is correct
149 Correct 144 ms 49880 KB Output is correct
150 Correct 136 ms 49760 KB Output is correct
151 Correct 132 ms 49276 KB Output is correct
152 Correct 110 ms 43072 KB Output is correct
153 Correct 135 ms 50248 KB Output is correct
154 Correct 145 ms 50104 KB Output is correct
155 Correct 135 ms 50104 KB Output is correct
156 Correct 135 ms 49940 KB Output is correct
157 Correct 138 ms 49844 KB Output is correct
158 Correct 131 ms 49816 KB Output is correct
159 Correct 132 ms 49328 KB Output is correct
160 Correct 112 ms 42952 KB Output is correct
161 Correct 210 ms 50616 KB Output is correct
162 Correct 221 ms 50612 KB Output is correct
163 Correct 205 ms 50324 KB Output is correct
164 Correct 195 ms 50244 KB Output is correct
165 Correct 202 ms 50196 KB Output is correct
166 Correct 151 ms 49208 KB Output is correct
167 Correct 174 ms 53576 KB Output is correct
168 Correct 176 ms 53464 KB Output is correct
169 Correct 183 ms 53400 KB Output is correct
170 Correct 168 ms 53312 KB Output is correct
171 Correct 165 ms 53172 KB Output is correct
172 Correct 150 ms 53760 KB Output is correct
173 Correct 179 ms 47380 KB Output is correct
174 Correct 178 ms 47448 KB Output is correct
175 Correct 180 ms 47364 KB Output is correct
176 Correct 168 ms 46968 KB Output is correct