답안 #206184

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
206184	2020-03-02T16:01:17 Z	mraron	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	634 ms	11496 KB

skyscraper

#include<bits/stdc++.h>
using namespace std;
#define xx first
#define yy second
int n,m;
const int MAXN=30001;
const int lim=50;
int b[MAXN];
int p[MAXN];
int dst[MAXN][lim+1];
int kesz[MAXN];

vector<int> lst_small[MAXN];
vector<int> lst_big[MAXN];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>m;
	for(int i=0;i<m;++i) {
		cin>>b[i]>>p[i];
		if(p[i]<=lim) lst_small[b[i]].push_back(p[i]);
		else lst_big[b[i]].push_back(p[i]);
	}
	
	for(int i=0;i<n;++i) {
		lst_small[b[i]].push_back(0);
		sort(lst_small[b[i]].begin(), lst_small[b[i]].end());
		lst_small[b[i]].resize(distance(lst_small[b[i]].begin(), unique(lst_small[b[i]].begin(), lst_small[b[i]].end())));
		
		sort(lst_big[b[i]].begin(), lst_big[b[i]].end());
		lst_big[b[i]].resize(distance(lst_big[b[i]].begin(), unique(lst_big[b[i]].begin(), lst_big[b[i]].end())));
	}
	for(int i=0;i<n;++i) {
		for(int j=0;j<=lim;++j) {
			dst[i][j]=1e9;
		}
	}
	
	dst[b[0]][0]=0;
	priority_queue<pair<int,pair<int,int>>, vector<pair<int,pair<int,int>>>, greater<pair<int,pair<int,int>>>> pq;
	pq.push({0, {b[0], 0}});
	while(!pq.empty()) {
		auto tp=pq.top();
		pq.pop();
		if(tp.xx>dst[tp.yy.xx][tp.yy.yy]) continue ;
		
		if(!kesz[tp.yy.xx]) {
			for(auto i:lst_small[tp.yy.xx]) {
				if(i<=lim) {
					if(tp.xx<dst[tp.yy.xx][i]) {
						dst[tp.yy.xx][i]=tp.xx;
						pq.push({dst[tp.yy.xx][i], {tp.yy.xx, i}});
					}
				}
			}

			for(auto i:lst_big[tp.yy.xx]) {
				for(int j=tp.yy.xx%i;j<n;j+=i) {
					int diff=abs(j-tp.yy.xx)/i;
					if(tp.xx+diff<dst[j][0]) {
						dst[j][0]=tp.xx+diff;
						pq.push({dst[j][0], {j,0}});
					}
				}
			}
		}
		kesz[tp.yy.xx]=1;
		
		if(tp.yy.xx-tp.yy.yy>=0 && tp.xx+1<dst[tp.yy.xx-tp.yy.yy][tp.yy.yy]) {
			dst[tp.yy.xx-tp.yy.yy][tp.yy.yy]=tp.xx+1;
			pq.push({dst[tp.yy.xx-tp.yy.yy][tp.yy.yy], {tp.yy.xx-tp.yy.yy, tp.yy.yy}});
		}
		
		if(tp.yy.xx+tp.yy.yy<n && tp.xx+1<dst[tp.yy.xx+tp.yy.yy][tp.yy.yy]) {
			dst[tp.yy.xx+tp.yy.yy][tp.yy.yy]=tp.xx+1;
			pq.push({dst[tp.yy.xx+tp.yy.yy][tp.yy.yy], {tp.yy.xx+tp.yy.yy, tp.yy.yy}});
		}
	}
	
	if(dst[b[1]][0]==1e9) cout<<-1;
	else cout<<dst[b[1]][0];
	cout<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1784 KB	Output is correct
2	Correct	5 ms	1784 KB	Output is correct
3	Correct	6 ms	1784 KB	Output is correct
4	Correct	5 ms	1784 KB	Output is correct
5	Correct	5 ms	1784 KB	Output is correct
6	Correct	5 ms	1784 KB	Output is correct
7	Correct	5 ms	1784 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1784 KB	Output is correct
2	Correct	6 ms	1788 KB	Output is correct
3	Correct	5 ms	1784 KB	Output is correct
4	Correct	6 ms	1784 KB	Output is correct
5	Correct	6 ms	1784 KB	Output is correct
6	Correct	6 ms	1784 KB	Output is correct
7	Correct	5 ms	1788 KB	Output is correct
8	Correct	5 ms	1784 KB	Output is correct
9	Correct	6 ms	1784 KB	Output is correct
10	Correct	6 ms	1784 KB	Output is correct
11	Correct	6 ms	1784 KB	Output is correct
12	Correct	6 ms	1784 KB	Output is correct
13	Correct	6 ms	1784 KB	Output is correct
14	Correct	6 ms	1784 KB	Output is correct
15	Correct	7 ms	1836 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1784 KB	Output is correct
2	Correct	6 ms	1784 KB	Output is correct
3	Correct	5 ms	1784 KB	Output is correct
4	Correct	5 ms	1784 KB	Output is correct
5	Correct	5 ms	1784 KB	Output is correct
6	Correct	5 ms	1784 KB	Output is correct
7	Correct	5 ms	1784 KB	Output is correct
8	Correct	5 ms	1784 KB	Output is correct
9	Correct	5 ms	1784 KB	Output is correct
10	Correct	6 ms	1784 KB	Output is correct
11	Correct	7 ms	1912 KB	Output is correct
12	Correct	6 ms	1784 KB	Output is correct
13	Correct	6 ms	1784 KB	Output is correct
14	Correct	6 ms	1912 KB	Output is correct
15	Correct	7 ms	1784 KB	Output is correct
16	Correct	6 ms	1788 KB	Output is correct
17	Correct	7 ms	1912 KB	Output is correct
18	Correct	6 ms	2168 KB	Output is correct
19	Correct	6 ms	2168 KB	Output is correct
20	Correct	7 ms	2296 KB	Output is correct
21	Correct	6 ms	1912 KB	Output is correct
22	Correct	6 ms	2168 KB	Output is correct
23	Correct	7 ms	2168 KB	Output is correct
24	Correct	7 ms	2296 KB	Output is correct
25	Correct	7 ms	2296 KB	Output is correct
26	Correct	7 ms	2168 KB	Output is correct
27	Correct	10 ms	2168 KB	Output is correct
28	Correct	7 ms	2296 KB	Output is correct
29	Correct	13 ms	2168 KB	Output is correct
30	Correct	7 ms	2168 KB	Output is correct
31	Correct	10 ms	2168 KB	Output is correct
32	Correct	9 ms	2168 KB	Output is correct
33	Correct	20 ms	2424 KB	Output is correct
34	Correct	20 ms	2424 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1788 KB	Output is correct
2	Correct	5 ms	1784 KB	Output is correct
3	Correct	5 ms	1784 KB	Output is correct
4	Correct	6 ms	1784 KB	Output is correct
5	Correct	5 ms	1784 KB	Output is correct
6	Correct	5 ms	1784 KB	Output is correct
7	Correct	5 ms	1784 KB	Output is correct
8	Correct	6 ms	1784 KB	Output is correct
9	Correct	5 ms	1784 KB	Output is correct
10	Correct	6 ms	1784 KB	Output is correct
11	Correct	6 ms	1784 KB	Output is correct
12	Correct	6 ms	1784 KB	Output is correct
13	Correct	6 ms	1784 KB	Output is correct
14	Correct	7 ms	1912 KB	Output is correct
15	Correct	7 ms	1912 KB	Output is correct
16	Correct	6 ms	1784 KB	Output is correct
17	Correct	7 ms	2040 KB	Output is correct
18	Correct	6 ms	2168 KB	Output is correct
19	Correct	6 ms	2168 KB	Output is correct
20	Correct	6 ms	2296 KB	Output is correct
21	Correct	6 ms	1912 KB	Output is correct
22	Correct	6 ms	2168 KB	Output is correct
23	Correct	6 ms	2168 KB	Output is correct
24	Correct	7 ms	2296 KB	Output is correct
25	Correct	7 ms	2296 KB	Output is correct
26	Correct	6 ms	2168 KB	Output is correct
27	Correct	10 ms	2168 KB	Output is correct
28	Correct	7 ms	2296 KB	Output is correct
29	Correct	13 ms	2296 KB	Output is correct
30	Correct	7 ms	2168 KB	Output is correct
31	Correct	10 ms	2168 KB	Output is correct
32	Correct	8 ms	2172 KB	Output is correct
33	Correct	20 ms	2296 KB	Output is correct
34	Correct	20 ms	2424 KB	Output is correct
35	Correct	18 ms	2760 KB	Output is correct
36	Correct	8 ms	2168 KB	Output is correct
37	Correct	20 ms	2552 KB	Output is correct
38	Correct	20 ms	2680 KB	Output is correct
39	Correct	21 ms	2680 KB	Output is correct
40	Correct	21 ms	2680 KB	Output is correct
41	Correct	21 ms	2680 KB	Output is correct
42	Correct	12 ms	2680 KB	Output is correct
43	Correct	17 ms	2680 KB	Output is correct
44	Correct	11 ms	2680 KB	Output is correct
45	Correct	31 ms	2876 KB	Output is correct
46	Correct	31 ms	2936 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1788 KB	Output is correct
2	Correct	6 ms	1784 KB	Output is correct
3	Correct	5 ms	1784 KB	Output is correct
4	Correct	5 ms	1784 KB	Output is correct
5	Correct	5 ms	1784 KB	Output is correct
6	Correct	5 ms	1784 KB	Output is correct
7	Correct	5 ms	1784 KB	Output is correct
8	Correct	5 ms	1784 KB	Output is correct
9	Correct	5 ms	1784 KB	Output is correct
10	Correct	6 ms	1784 KB	Output is correct
11	Correct	6 ms	1784 KB	Output is correct
12	Correct	6 ms	1784 KB	Output is correct
13	Correct	6 ms	1784 KB	Output is correct
14	Correct	6 ms	1784 KB	Output is correct
15	Correct	7 ms	1784 KB	Output is correct
16	Correct	6 ms	1784 KB	Output is correct
17	Correct	8 ms	2040 KB	Output is correct
18	Correct	6 ms	2168 KB	Output is correct
19	Correct	6 ms	2168 KB	Output is correct
20	Correct	7 ms	2296 KB	Output is correct
21	Correct	6 ms	1912 KB	Output is correct
22	Correct	6 ms	2168 KB	Output is correct
23	Correct	6 ms	2168 KB	Output is correct
24	Correct	7 ms	2296 KB	Output is correct
25	Correct	7 ms	2296 KB	Output is correct
26	Correct	7 ms	2168 KB	Output is correct
27	Correct	10 ms	2168 KB	Output is correct
28	Correct	7 ms	2296 KB	Output is correct
29	Correct	15 ms	2168 KB	Output is correct
30	Correct	7 ms	2168 KB	Output is correct
31	Correct	10 ms	2168 KB	Output is correct
32	Correct	8 ms	2168 KB	Output is correct
33	Correct	20 ms	2364 KB	Output is correct
34	Correct	20 ms	2296 KB	Output is correct
35	Correct	18 ms	2552 KB	Output is correct
36	Correct	8 ms	2168 KB	Output is correct
37	Correct	20 ms	2552 KB	Output is correct
38	Correct	21 ms	2680 KB	Output is correct
39	Correct	22 ms	2680 KB	Output is correct
40	Correct	21 ms	2680 KB	Output is correct
41	Correct	23 ms	2680 KB	Output is correct
42	Correct	11 ms	2680 KB	Output is correct
43	Correct	14 ms	2680 KB	Output is correct
44	Correct	11 ms	2680 KB	Output is correct
45	Correct	31 ms	2872 KB	Output is correct
46	Correct	30 ms	2936 KB	Output is correct
47	Correct	68 ms	5560 KB	Output is correct
48	Correct	18 ms	7544 KB	Output is correct
49	Correct	18 ms	7928 KB	Output is correct
50	Correct	15 ms	8184 KB	Output is correct
51	Correct	57 ms	9784 KB	Output is correct
52	Correct	59 ms	9784 KB	Output is correct
53	Correct	38 ms	9208 KB	Output is correct
54	Correct	11 ms	7800 KB	Output is correct
55	Correct	11 ms	7932 KB	Output is correct
56	Correct	23 ms	8952 KB	Output is correct
57	Correct	101 ms	8376 KB	Output is correct
58	Correct	19 ms	8312 KB	Output is correct
59	Correct	22 ms	8312 KB	Output is correct
60	Correct	27 ms	8440 KB	Output is correct
61	Correct	634 ms	8440 KB	Output is correct
62	Correct	36 ms	9976 KB	Output is correct
63	Correct	79 ms	9840 KB	Output is correct
64	Correct	91 ms	9836 KB	Output is correct
65	Correct	112 ms	11368 KB	Output is correct
66	Correct	375 ms	11368 KB	Output is correct
67	Correct	374 ms	11496 KB	Output is correct

답안 #206184

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0