oj.uz

Submission #969818

# Submission time Handle Problem Language Result Execution time Memory
969818 2024-04-25T15:58:34 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 154 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC target("avx2,popcnt,sse4")
#pragma GCC optimize("O3,unroll-loops")
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int inf = 1e9;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*3;
const int mxv = mxe;

map<pii,vector<int>> mp;
int N,M;
int ecnt,vcnt;
int to[mxe],nid[mxe];
bool wei[mxe];
int head[mxv];
int dist[mxv];
int S,T;
int ts;

void add_edge(int a,int b,int w){
	ecnt++;
	nid[ecnt] = head[a];
	to[ecnt] = b;
	wei[ecnt] = w;
	head[a] = ecnt;
}

bitset<mxv> done;
deque<int> dq;

void BFS(){
	dq.resize(mxv*2);
	fill(dist,dist+mxv,inf);
	dist[S] = 0;
	dq.push_back(S);
	while(!dq.empty()){
		int now = dq.front();
		dq.pop_front();
		if(done[now])continue;
		done[now] = true;
		for(int eid = head[now];eid;eid = nid[eid]){
			int nxt = to[eid],w = wei[eid];
			//cout<<now<<' '<<nxt<<":"<<dist[now]+w<<' '<<dist[nxt]<<endl;
			if(!w){
				if(dist[nxt]>dist[now]){
					dist[nxt] = dist[now];
					dq.push_front(nxt);
				}
			}
			else{
				if(dist[nxt]>dist[now]+w){
					dist[nxt] = dist[now]+w;
					dq.push_back(nxt);
				}
			}
		}
	}
	return;
}


int main(){
	ts = clock();
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>M;
	for(int i = 0;i<M;i++){
		pii tmp;
		cin>>tmp.fs>>tmp.sc;
		mp[pii(tmp.sc,tmp.fs%tmp.sc)].push_back(tmp.fs);
		if(!i)S = tmp.fs;
		if(i == 1)T = tmp.fs;
	}
	vcnt = N-1;
	for(auto &i:mp){
		sort(i.sc.rbegin(),i.sc.rend());
		for(int j = i.fs.sc;j<N;j+=i.fs.fs){
			vcnt++;
			add_edge(vcnt,j,0);
			while(!i.sc.empty()&&i.sc.back() == j){
				add_edge(i.sc.back(),vcnt,0);
				i.sc.pop_back();
			}
			if(j != i.fs.sc){
				add_edge(vcnt-1,vcnt,1);
				add_edge(vcnt,vcnt-1,1);
			}
		}
	}
	BFS();
	cout<<(dist[T]>=inf?-1:dist[T])<<'\n';
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 196948 KB Output is correct
2 Correct 108 ms 196944 KB Output is correct
3 Correct 133 ms 197204 KB Output is correct
4 Correct 119 ms 197204 KB Output is correct
5 Correct 109 ms 197056 KB Output is correct
6 Correct 108 ms 196944 KB Output is correct
7 Correct 109 ms 197132 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 197124 KB Output is correct
2 Correct 110 ms 196944 KB Output is correct
3 Correct 108 ms 197204 KB Output is correct
4 Correct 107 ms 197200 KB Output is correct
5 Correct 107 ms 196948 KB Output is correct
6 Correct 106 ms 197196 KB Output is correct
7 Correct 107 ms 197196 KB Output is correct
8 Correct 107 ms 197028 KB Output is correct
9 Correct 107 ms 197160 KB Output is correct
10 Correct 106 ms 197204 KB Output is correct
11 Correct 108 ms 197204 KB Output is correct
12 Correct 107 ms 197196 KB Output is correct
13 Correct 106 ms 197000 KB Output is correct
14 Correct 112 ms 197412 KB Output is correct
15 Correct 108 ms 197360 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 197124 KB Output is correct
2 Correct 110 ms 197144 KB Output is correct
3 Correct 108 ms 197204 KB Output is correct
4 Correct 132 ms 196948 KB Output is correct
5 Correct 123 ms 197200 KB Output is correct
6 Correct 110 ms 196968 KB Output is correct
7 Correct 107 ms 197156 KB Output is correct
8 Correct 108 ms 197200 KB Output is correct
9 Correct 110 ms 197200 KB Output is correct
10 Correct 132 ms 197200 KB Output is correct
11 Correct 120 ms 197168 KB Output is correct
12 Correct 109 ms 197200 KB Output is correct
13 Correct 117 ms 197204 KB Output is correct
14 Correct 114 ms 197208 KB Output is correct
15 Correct 114 ms 197460 KB Output is correct
16 Correct 108 ms 197204 KB Output is correct
17 Correct 110 ms 197204 KB Output is correct
18 Correct 108 ms 197268 KB Output is correct
19 Correct 112 ms 197204 KB Output is correct
20 Correct 107 ms 197224 KB Output is correct
21 Correct 107 ms 197200 KB Output is correct
22 Correct 107 ms 197204 KB Output is correct
23 Correct 107 ms 197328 KB Output is correct
24 Correct 109 ms 197460 KB Output is correct
25 Correct 108 ms 197456 KB Output is correct
26 Correct 108 ms 197204 KB Output is correct
27 Correct 109 ms 197200 KB Output is correct
28 Correct 107 ms 197284 KB Output is correct
29 Correct 109 ms 199504 KB Output is correct
30 Correct 108 ms 197236 KB Output is correct
31 Correct 110 ms 197204 KB Output is correct
32 Correct 106 ms 197204 KB Output is correct
33 Correct 112 ms 201808 KB Output is correct
34 Correct 112 ms 201804 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 196948 KB Output is correct
2 Correct 108 ms 196940 KB Output is correct
3 Correct 106 ms 197200 KB Output is correct
4 Correct 108 ms 196952 KB Output is correct
5 Correct 107 ms 197204 KB Output is correct
6 Correct 112 ms 197196 KB Output is correct
7 Correct 106 ms 197144 KB Output is correct
8 Correct 109 ms 197204 KB Output is correct
9 Correct 108 ms 197156 KB Output is correct
10 Correct 112 ms 197200 KB Output is correct
11 Correct 109 ms 197200 KB Output is correct
12 Correct 109 ms 197012 KB Output is correct
13 Correct 108 ms 197164 KB Output is correct
14 Correct 114 ms 197204 KB Output is correct
15 Correct 108 ms 197200 KB Output is correct
16 Correct 108 ms 197300 KB Output is correct
17 Correct 110 ms 197304 KB Output is correct
18 Correct 111 ms 197460 KB Output is correct
19 Correct 109 ms 197200 KB Output is correct
20 Correct 107 ms 197200 KB Output is correct
21 Correct 110 ms 197204 KB Output is correct
22 Correct 114 ms 197584 KB Output is correct
23 Correct 110 ms 197288 KB Output is correct
24 Correct 109 ms 197460 KB Output is correct
25 Correct 109 ms 197328 KB Output is correct
26 Correct 106 ms 197204 KB Output is correct
27 Correct 108 ms 197204 KB Output is correct
28 Correct 109 ms 197516 KB Output is correct
29 Correct 111 ms 199512 KB Output is correct
30 Correct 110 ms 197168 KB Output is correct
31 Correct 108 ms 197196 KB Output is correct
32 Correct 107 ms 197204 KB Output is correct
33 Correct 114 ms 201808 KB Output is correct
34 Correct 111 ms 201812 KB Output is correct
35 Correct 125 ms 204432 KB Output is correct
36 Correct 108 ms 197716 KB Output is correct
37 Correct 123 ms 203856 KB Output is correct
38 Correct 134 ms 205364 KB Output is correct
39 Correct 130 ms 205140 KB Output is correct
40 Correct 130 ms 205140 KB Output is correct
41 Correct 131 ms 205140 KB Output is correct
42 Correct 116 ms 197700 KB Output is correct
43 Correct 111 ms 197200 KB Output is correct
44 Correct 117 ms 197336 KB Output is correct
45 Correct 147 ms 216660 KB Output is correct
46 Correct 148 ms 216908 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 197200 KB Output is correct
2 Correct 108 ms 196948 KB Output is correct
3 Correct 107 ms 196948 KB Output is correct
4 Correct 108 ms 197168 KB Output is correct
5 Correct 111 ms 197168 KB Output is correct
6 Correct 106 ms 197200 KB Output is correct
7 Correct 110 ms 197148 KB Output is correct
8 Correct 110 ms 197208 KB Output is correct
9 Correct 109 ms 197200 KB Output is correct
10 Correct 106 ms 197200 KB Output is correct
11 Correct 110 ms 197204 KB Output is correct
12 Correct 108 ms 197200 KB Output is correct
13 Correct 107 ms 197204 KB Output is correct
14 Correct 107 ms 197204 KB Output is correct
15 Correct 110 ms 197396 KB Output is correct
16 Correct 113 ms 197484 KB Output is correct
17 Correct 113 ms 197376 KB Output is correct
18 Correct 109 ms 197340 KB Output is correct
19 Correct 108 ms 197200 KB Output is correct
20 Correct 114 ms 197204 KB Output is correct
21 Correct 109 ms 197096 KB Output is correct
22 Correct 106 ms 197260 KB Output is correct
23 Correct 106 ms 197204 KB Output is correct
24 Correct 108 ms 197244 KB Output is correct
25 Correct 107 ms 197460 KB Output is correct
26 Correct 107 ms 197204 KB Output is correct
27 Correct 109 ms 197272 KB Output is correct
28 Correct 108 ms 197320 KB Output is correct
29 Correct 108 ms 199528 KB Output is correct
30 Correct 107 ms 197200 KB Output is correct
31 Correct 108 ms 197344 KB Output is correct
32 Correct 108 ms 197200 KB Output is correct
33 Correct 113 ms 201808 KB Output is correct
34 Correct 111 ms 201820 KB Output is correct
35 Correct 124 ms 204372 KB Output is correct
36 Correct 111 ms 197716 KB Output is correct
37 Correct 124 ms 203856 KB Output is correct
38 Correct 129 ms 205140 KB Output is correct
39 Correct 129 ms 205136 KB Output is correct
40 Correct 135 ms 205396 KB Output is correct
41 Correct 132 ms 205136 KB Output is correct
42 Correct 112 ms 197204 KB Output is correct
43 Correct 110 ms 197144 KB Output is correct
44 Correct 109 ms 197348 KB Output is correct
45 Correct 142 ms 216596 KB Output is correct
46 Correct 140 ms 216740 KB Output is correct
47 Correct 154 ms 221264 KB Output is correct
48 Correct 125 ms 206932 KB Output is correct
49 Correct 120 ms 204256 KB Output is correct
50 Correct 115 ms 203544 KB Output is correct
51 Correct 136 ms 210000 KB Output is correct
52 Correct 146 ms 210236 KB Output is correct
53 Correct 126 ms 202840 KB Output is correct
54 Correct 107 ms 197288 KB Output is correct
55 Correct 106 ms 199256 KB Output is correct
56 Correct 113 ms 199504 KB Output is correct
57 Correct 121 ms 211280 KB Output is correct
58 Correct 111 ms 199588 KB Output is correct
59 Correct 112 ms 201672 KB Output is correct
60 Correct 115 ms 201812 KB Output is correct
61 Correct 114 ms 202264 KB Output is correct
62 Correct 135 ms 216916 KB Output is correct
63 Runtime error 122 ms 262144 KB Execution killed with signal 9
64 Halted 0 ms 0 KB -