oj.uz

Submission #737929

# Submission time Handle Problem Language Result Execution time Memory
737929 2023-05-08T01:39:21 Z bobthebuilder Sky Walking (IOI19_walk) C++17
100 / 100
 1455 ms 321140 KB 
#include "walk.h"
#include<bits/stdc++.h>
using namespace std;
#define sz(x) (int)x.size()
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define pb push_back
#define lowb(x) (x&(-x))
#define ALL(_x) _x.begin(),_x.end()
#define pii pair<ll,int>
#define f first
#define s second
#define SORT_UNIQUE(x) sort(ALL(x)),x.erase(unique(ALL(x)),x.end())
#define ll long long
const ll INF64=4e18;
const int maxn=2e6+5;
vector<pii> gr[maxn];
void add(int a,int b,int w){
	gr[a].pb({b,w}),gr[b].pb({a,w});
}
vector<pii> pts[maxn];
ll dist[maxn];
long long min_distance(std::vector<int> xx, std::vector<int> h, std::vector<int> l, std::vector<int> r, std::vector<int> y, int s, int g) {
	int n=sz(xx),m=sz(l);
	vector<pii> v;
	REP(i,n){
		v.pb({h[i],i});
	}
	sort(ALL(v)),reverse(ALL(v));;
	for(int zz:{s,g}){
		
		vector<pii> vv;
		REP(i,m){
			vv.pb({y[i],i});
		}
		set<int> ss;
		sort(ALL(vv));
		reverse(ALL(vv));
		int p=0;
		for(auto x:vv){
			if(r[x.s]<=zz or l[x.s]>=zz) continue;
			while(p<n and v[p].f>=x.f){
				ss.insert(v[p].s);
				++p;
			}
			int a=(*prev(ss.upper_bound(zz))),b=(*ss.lower_bound(zz));
			l.pb(l[x.s]),r.pb(a),y.pb(x.f);
			l.pb(a),r.pb(b),y.pb(x.f);
			l.pb(b),r.pb(r[x.s]),y.pb(x.f);
		}
		m=sz(l);
	}
	vector<pii> vv;
	REP(i,m){
		vv.pb({y[i],i});
	}
	sort(ALL(vv));
	reverse(ALL(vv));
	int cur=0;
	set<int> ss;
	int p=0;
	for(auto x:vv){
		while(p<n and v[p].f>=x.f){
			ss.insert(v[p].s);
			++p;
		}
		int a=l[x.s],b=r[x.s];
		ss.insert(a),ss.insert(b);
		auto it=ss.lower_bound(a);
		int pp=-1;
		vector<int> del;
		while(it!=ss.end() and (*it)<=b){
			int z=(*it);
			if(sz(pts[z])){
			auto pv=pts[z].back();
			add(pv.s,cur,pv.f-x.f);
			}
			pts[z].pb({x.f,cur});
			if(pp!=-1) add(cur-1,cur,xx[z]-xx[pp]);
			pp=z;
			++cur;
			if(z!=a and z!=b){
				del.pb(z);
			}
			++it;
		}
		for(int x:del) ss.erase(x);
	}
	for(int z:{s,g}){
		if(!sz(pts[z])){
			return -1;
		}
		auto pv=pts[z].back();
		add(pv.s,cur++,pv.f);
	}
	REP(i,cur) dist[i]=INF64;
	priority_queue<pii,vector<pii>,greater<pii>> pq;
	pq.push({0,cur-2});
	dist[cur-2]=0;
	while(sz(pq)){
		int z=pq.top().s;
		if(pq.top().f>dist[z]){
			pq.pop();
			continue;
		}
		pq.pop();
		for(auto x:gr[z]){
			if(dist[x.f]>dist[z]+x.s){
				dist[x.f]=dist[z]+x.s;
				pq.push({dist[x.f],x.f});
			}
		}
	}
	if(dist[cur-1]==INF64) dist[cur-1]=-1;
	return dist[cur-1];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 94168 KB Output is correct
2 Correct 43 ms 94132 KB Output is correct
3 Correct 43 ms 94156 KB Output is correct
4 Correct 46 ms 94196 KB Output is correct
5 Correct 44 ms 94256 KB Output is correct
6 Correct 45 ms 94176 KB Output is correct
7 Correct 44 ms 94220 KB Output is correct
8 Correct 45 ms 94156 KB Output is correct
9 Correct 50 ms 94212 KB Output is correct
10 Correct 44 ms 94224 KB Output is correct
11 Correct 45 ms 94168 KB Output is correct
12 Correct 46 ms 94152 KB Output is correct
13 Correct 44 ms 94236 KB Output is correct
14 Correct 44 ms 94156 KB Output is correct
15 Correct 45 ms 94176 KB Output is correct
16 Correct 46 ms 94156 KB Output is correct
17 Correct 44 ms 94224 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 94164 KB Output is correct
2 Correct 44 ms 94152 KB Output is correct
3 Correct 371 ms 135616 KB Output is correct
4 Correct 619 ms 144852 KB Output is correct
5 Correct 397 ms 139376 KB Output is correct
6 Correct 458 ms 149260 KB Output is correct
7 Correct 397 ms 139816 KB Output is correct
8 Correct 378 ms 139464 KB Output is correct
9 Correct 466 ms 143996 KB Output is correct
10 Correct 616 ms 150736 KB Output is correct
11 Correct 396 ms 134076 KB Output is correct
12 Correct 356 ms 126332 KB Output is correct
13 Correct 579 ms 151412 KB Output is correct
14 Correct 584 ms 185572 KB Output is correct
15 Correct 457 ms 147716 KB Output is correct
16 Correct 305 ms 128364 KB Output is correct
17 Correct 295 ms 126076 KB Output is correct
18 Correct 168 ms 127788 KB Output is correct
19 Correct 64 ms 97868 KB Output is correct
20 Correct 234 ms 131604 KB Output is correct
21 Correct 300 ms 125172 KB Output is correct
22 Correct 303 ms 125476 KB Output is correct
23 Correct 250 ms 129628 KB Output is correct
24 Correct 277 ms 125780 KB Output is correct
25 Correct 290 ms 125608 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 108764 KB Output is correct
2 Correct 307 ms 140412 KB Output is correct
3 Correct 377 ms 144116 KB Output is correct
4 Correct 599 ms 159452 KB Output is correct
5 Correct 592 ms 160756 KB Output is correct
6 Correct 561 ms 158072 KB Output is correct
7 Correct 377 ms 134164 KB Output is correct
8 Correct 333 ms 122452 KB Output is correct
9 Correct 546 ms 156700 KB Output is correct
10 Correct 310 ms 138612 KB Output is correct
11 Correct 69 ms 98200 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 108764 KB Output is correct
2 Correct 307 ms 140412 KB Output is correct
3 Correct 377 ms 144116 KB Output is correct
4 Correct 599 ms 159452 KB Output is correct
5 Correct 592 ms 160756 KB Output is correct
6 Correct 561 ms 158072 KB Output is correct
7 Correct 377 ms 134164 KB Output is correct
8 Correct 333 ms 122452 KB Output is correct
9 Correct 546 ms 156700 KB Output is correct
10 Correct 310 ms 138612 KB Output is correct
11 Correct 69 ms 98200 KB Output is correct
12 Correct 384 ms 143952 KB Output is correct
13 Correct 422 ms 153484 KB Output is correct
14 Correct 592 ms 160460 KB Output is correct
15 Correct 500 ms 143824 KB Output is correct
16 Correct 569 ms 151960 KB Output is correct
17 Correct 617 ms 161616 KB Output is correct
18 Correct 490 ms 144000 KB Output is correct
19 Correct 423 ms 147408 KB Output is correct
20 Correct 361 ms 133824 KB Output is correct
21 Correct 127 ms 106524 KB Output is correct
22 Correct 367 ms 144484 KB Output is correct
23 Correct 371 ms 142140 KB Output is correct
24 Correct 338 ms 129328 KB Output is correct
25 Correct 420 ms 139200 KB Output is correct
26 Correct 251 ms 119548 KB Output is correct
27 Correct 615 ms 160652 KB Output is correct
28 Correct 467 ms 152616 KB Output is correct
29 Correct 555 ms 157824 KB Output is correct
30 Correct 381 ms 134380 KB Output is correct
31 Correct 522 ms 155856 KB Output is correct
32 Correct 297 ms 130752 KB Output is correct
33 Correct 308 ms 130040 KB Output is correct
34 Correct 274 ms 132236 KB Output is correct
35 Correct 319 ms 132676 KB Output is correct
36 Correct 350 ms 127340 KB Output is correct
37 Correct 297 ms 122484 KB Output is correct
38 Correct 307 ms 122452 KB Output is correct
39 Correct 256 ms 126748 KB Output is correct
40 Correct 267 ms 122872 KB Output is correct
41 Correct 303 ms 123048 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 94168 KB Output is correct
2 Correct 43 ms 94132 KB Output is correct
3 Correct 43 ms 94156 KB Output is correct
4 Correct 46 ms 94196 KB Output is correct
5 Correct 44 ms 94256 KB Output is correct
6 Correct 45 ms 94176 KB Output is correct
7 Correct 44 ms 94220 KB Output is correct
8 Correct 45 ms 94156 KB Output is correct
9 Correct 50 ms 94212 KB Output is correct
10 Correct 44 ms 94224 KB Output is correct
11 Correct 45 ms 94168 KB Output is correct
12 Correct 46 ms 94152 KB Output is correct
13 Correct 44 ms 94236 KB Output is correct
14 Correct 44 ms 94156 KB Output is correct
15 Correct 45 ms 94176 KB Output is correct
16 Correct 46 ms 94156 KB Output is correct
17 Correct 44 ms 94224 KB Output is correct
18 Correct 43 ms 94164 KB Output is correct
19 Correct 44 ms 94152 KB Output is correct
20 Correct 371 ms 135616 KB Output is correct
21 Correct 619 ms 144852 KB Output is correct
22 Correct 397 ms 139376 KB Output is correct
23 Correct 458 ms 149260 KB Output is correct
24 Correct 397 ms 139816 KB Output is correct
25 Correct 378 ms 139464 KB Output is correct
26 Correct 466 ms 143996 KB Output is correct
27 Correct 616 ms 150736 KB Output is correct
28 Correct 396 ms 134076 KB Output is correct
29 Correct 356 ms 126332 KB Output is correct
30 Correct 579 ms 151412 KB Output is correct
31 Correct 584 ms 185572 KB Output is correct
32 Correct 457 ms 147716 KB Output is correct
33 Correct 305 ms 128364 KB Output is correct
34 Correct 295 ms 126076 KB Output is correct
35 Correct 168 ms 127788 KB Output is correct
36 Correct 64 ms 97868 KB Output is correct
37 Correct 234 ms 131604 KB Output is correct
38 Correct 300 ms 125172 KB Output is correct
39 Correct 303 ms 125476 KB Output is correct
40 Correct 250 ms 129628 KB Output is correct
41 Correct 277 ms 125780 KB Output is correct
42 Correct 290 ms 125608 KB Output is correct
43 Correct 141 ms 108764 KB Output is correct
44 Correct 307 ms 140412 KB Output is correct
45 Correct 377 ms 144116 KB Output is correct
46 Correct 599 ms 159452 KB Output is correct
47 Correct 592 ms 160756 KB Output is correct
48 Correct 561 ms 158072 KB Output is correct
49 Correct 377 ms 134164 KB Output is correct
50 Correct 333 ms 122452 KB Output is correct
51 Correct 546 ms 156700 KB Output is correct
52 Correct 310 ms 138612 KB Output is correct
53 Correct 69 ms 98200 KB Output is correct
54 Correct 384 ms 143952 KB Output is correct
55 Correct 422 ms 153484 KB Output is correct
56 Correct 592 ms 160460 KB Output is correct
57 Correct 500 ms 143824 KB Output is correct
58 Correct 569 ms 151960 KB Output is correct
59 Correct 617 ms 161616 KB Output is correct
60 Correct 490 ms 144000 KB Output is correct
61 Correct 423 ms 147408 KB Output is correct
62 Correct 361 ms 133824 KB Output is correct
63 Correct 127 ms 106524 KB Output is correct
64 Correct 367 ms 144484 KB Output is correct
65 Correct 371 ms 142140 KB Output is correct
66 Correct 338 ms 129328 KB Output is correct
67 Correct 420 ms 139200 KB Output is correct
68 Correct 251 ms 119548 KB Output is correct
69 Correct 615 ms 160652 KB Output is correct
70 Correct 467 ms 152616 KB Output is correct
71 Correct 555 ms 157824 KB Output is correct
72 Correct 381 ms 134380 KB Output is correct
73 Correct 522 ms 155856 KB Output is correct
74 Correct 297 ms 130752 KB Output is correct
75 Correct 308 ms 130040 KB Output is correct
76 Correct 274 ms 132236 KB Output is correct
77 Correct 319 ms 132676 KB Output is correct
78 Correct 350 ms 127340 KB Output is correct
79 Correct 297 ms 122484 KB Output is correct
80 Correct 307 ms 122452 KB Output is correct
81 Correct 256 ms 126748 KB Output is correct
82 Correct 267 ms 122872 KB Output is correct
83 Correct 303 ms 123048 KB Output is correct
84 Correct 117 ms 106028 KB Output is correct
85 Correct 456 ms 153376 KB Output is correct
86 Correct 961 ms 219232 KB Output is correct
87 Correct 179 ms 112092 KB Output is correct
88 Correct 213 ms 113680 KB Output is correct
89 Correct 187 ms 112020 KB Output is correct
90 Correct 76 ms 98984 KB Output is correct
91 Correct 47 ms 94412 KB Output is correct
92 Correct 68 ms 97764 KB Output is correct
93 Correct 365 ms 130040 KB Output is correct
94 Correct 196 ms 109616 KB Output is correct
95 Correct 426 ms 150736 KB Output is correct
96 Correct 420 ms 148740 KB Output is correct
97 Correct 482 ms 160272 KB Output is correct
98 Correct 408 ms 143016 KB Output is correct
99 Correct 1455 ms 321140 KB Output is correct
100 Correct 649 ms 163584 KB Output is correct
101 Correct 962 ms 218808 KB Output is correct
102 Correct 448 ms 138960 KB Output is correct
103 Correct 309 ms 133596 KB Output is correct
104 Correct 295 ms 133220 KB Output is correct
105 Correct 269 ms 135364 KB Output is correct
106 Correct 370 ms 144476 KB Output is correct
107 Correct 300 ms 138368 KB Output is correct
108 Correct 79 ms 100252 KB Output is correct
109 Correct 552 ms 154212 KB Output is correct
110 Correct 457 ms 157672 KB Output is correct
111 Correct 437 ms 157384 KB Output is correct
112 Correct 345 ms 137940 KB Output is correct
113 Correct 360 ms 133440 KB Output is correct