Submission #527448

# Submission time Handle Problem Language Result Execution time Memory
527448 2022-02-17T12:32:35 Z Koosha_mv Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
1000 ms 102668 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

const int N=50000,S=50;

int m,n,pos[N],p[N],dist[N][S];
vector<int> vec[N];
set<pair<int,pair<int,int>>> st;

main(){
	ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
	cin>>n>>m;
	f(i,0,m){
		cin>>pos[i]>>p[i];
		vec[pos[i]].pb(p[i]);
	}
	f(i,0,n) f(j,0,S) dist[i][j]=N;
	dist[pos[0]][0]=0;
	f(i,0,n) f(j,0,S) st.insert({dist[i][j],{i,j}});
	while(st.size()){
		int x=(*st.begin()).S.F,p=(*st.begin()).S.S;
		if(dist[x][p]==N) break;
		//cout<<endl;
		//eror(dist[2][0]);
		//cout<<x<<" "<<p<<" -> "<<dist[x][p]<<endl;
		st.erase(*st.begin());
		if(p>0){
			//eror(x+p);
			//cout<<x+p<<" "<<dist[x][p]+1<<" "<<dist[x+p][0]<<endl;
			if(x+p<n && dist[x][p]+1<dist[x+p][0]){
				//eror(100);
				st.erase({dist[x+p][0],{x+p,0}});
				dist[x+p][0]=dist[x][p]+1;
				st.insert({dist[x+p][0],{x+p,0}});
			}
			if(p<=x && dist[x][p]+1<dist[x-p][0]){
				st.erase({dist[x-p][0],{x-p,0}});
				dist[x-p][0]=dist[x][p]+1;
				st.insert({dist[x-p][0],{x-p,0}});
			}
			
			if(x+p<n && dist[x][p]+1<dist[x+p][p]){
				st.erase({dist[x+p][p],{x+p,p}});
				dist[x+p][p]=dist[x][p]+1;
				st.insert({dist[x+p][p],{x+p,p}});
			}
			if(p<=x && dist[x][p]+1<dist[x-p][p]){
				st.erase({dist[x-p][p],{x-p,p}});
				dist[x-p][p]=dist[x][p]+1;
				st.insert({dist[x-p][p],{x-p,p}});
			}
			continue ;
		}
		for(auto u : vec[x]){
			if(u<S){
				if(dist[x][u]<=dist[x][p]) continue ;
				st.erase({dist[x][u],{x,u}});
				dist[x][u]=dist[x][p];
				st.insert({dist[x][u],{x,u}});
			}
			else{
				for(int i=x%u;i<n;i+=u){
					if(dist[x][p]+abs(x-i)/u<dist[i][p]){
						st.erase({dist[i][p],{i,p}});
						dist[i][p]=dist[x][p]+abs(x-i)/u;
						st.insert({dist[i][p],{i,p}});
					}
				}
			}
		}
	}
	cout<<(dist[pos[1]][0]==N ? -1 : dist[pos[1]][0]);
}

Compilation message

skyscraper.cpp:29:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   29 | main(){
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 2 ms 1484 KB Output is correct
6 Correct 2 ms 1484 KB Output is correct
7 Correct 1 ms 1484 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 2 ms 1484 KB Output is correct
7 Correct 1 ms 1484 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 1 ms 1612 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 3 ms 1868 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 2 ms 1740 KB Output is correct
14 Correct 4 ms 1868 KB Output is correct
15 Correct 4 ms 1868 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1484 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 2 ms 1612 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 4 ms 1740 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 2 ms 1740 KB Output is correct
14 Correct 5 ms 1868 KB Output is correct
15 Correct 4 ms 1740 KB Output is correct
16 Correct 3 ms 2124 KB Output is correct
17 Correct 14 ms 3928 KB Output is correct
18 Correct 22 ms 7324 KB Output is correct
19 Correct 24 ms 8076 KB Output is correct
20 Correct 26 ms 8196 KB Output is correct
21 Correct 5 ms 2764 KB Output is correct
22 Correct 20 ms 7316 KB Output is correct
23 Correct 22 ms 6828 KB Output is correct
24 Correct 28 ms 7756 KB Output is correct
25 Correct 28 ms 8072 KB Output is correct
26 Correct 30 ms 8152 KB Output is correct
27 Correct 29 ms 8296 KB Output is correct
28 Correct 33 ms 8132 KB Output is correct
29 Correct 68 ms 8152 KB Output is correct
30 Correct 34 ms 8104 KB Output is correct
31 Correct 41 ms 8156 KB Output is correct
32 Correct 36 ms 8168 KB Output is correct
33 Correct 62 ms 8180 KB Output is correct
34 Correct 63 ms 8196 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1484 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 2 ms 1612 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 3 ms 1868 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 2 ms 1740 KB Output is correct
14 Correct 4 ms 1868 KB Output is correct
15 Correct 3 ms 1740 KB Output is correct
16 Correct 3 ms 2124 KB Output is correct
17 Correct 14 ms 4012 KB Output is correct
18 Correct 23 ms 7340 KB Output is correct
19 Correct 24 ms 8132 KB Output is correct
20 Correct 27 ms 8192 KB Output is correct
21 Correct 5 ms 2764 KB Output is correct
22 Correct 21 ms 7404 KB Output is correct
23 Correct 22 ms 6732 KB Output is correct
24 Correct 27 ms 7820 KB Output is correct
25 Correct 28 ms 8204 KB Output is correct
26 Correct 30 ms 8128 KB Output is correct
27 Correct 29 ms 8100 KB Output is correct
28 Correct 32 ms 8184 KB Output is correct
29 Correct 53 ms 8152 KB Output is correct
30 Correct 38 ms 8140 KB Output is correct
31 Correct 41 ms 8160 KB Output is correct
32 Correct 37 ms 8144 KB Output is correct
33 Correct 69 ms 8140 KB Output is correct
34 Correct 61 ms 8164 KB Output is correct
35 Correct 40 ms 6636 KB Output is correct
36 Correct 18 ms 5212 KB Output is correct
37 Correct 63 ms 8224 KB Output is correct
38 Correct 66 ms 8520 KB Output is correct
39 Correct 60 ms 8572 KB Output is correct
40 Correct 60 ms 8560 KB Output is correct
41 Correct 60 ms 8572 KB Output is correct
42 Correct 33 ms 8388 KB Output is correct
43 Correct 31 ms 8404 KB Output is correct
44 Correct 32 ms 8516 KB Output is correct
45 Correct 75 ms 8524 KB Output is correct
46 Correct 70 ms 8492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 2 ms 1532 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 2 ms 1612 KB Output is correct
10 Correct 3 ms 1740 KB Output is correct
11 Correct 4 ms 1868 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 2 ms 1740 KB Output is correct
14 Correct 3 ms 1868 KB Output is correct
15 Correct 5 ms 1868 KB Output is correct
16 Correct 3 ms 2124 KB Output is correct
17 Correct 14 ms 3916 KB Output is correct
18 Correct 20 ms 7240 KB Output is correct
19 Correct 26 ms 8172 KB Output is correct
20 Correct 25 ms 8132 KB Output is correct
21 Correct 5 ms 2812 KB Output is correct
22 Correct 26 ms 7348 KB Output is correct
23 Correct 29 ms 6816 KB Output is correct
24 Correct 32 ms 7756 KB Output is correct
25 Correct 27 ms 8292 KB Output is correct
26 Correct 29 ms 8116 KB Output is correct
27 Correct 28 ms 8132 KB Output is correct
28 Correct 31 ms 8140 KB Output is correct
29 Correct 55 ms 8140 KB Output is correct
30 Correct 44 ms 8040 KB Output is correct
31 Correct 41 ms 8140 KB Output is correct
32 Correct 37 ms 8096 KB Output is correct
33 Correct 61 ms 8136 KB Output is correct
34 Correct 61 ms 8048 KB Output is correct
35 Correct 39 ms 6636 KB Output is correct
36 Correct 19 ms 5212 KB Output is correct
37 Correct 61 ms 8172 KB Output is correct
38 Correct 64 ms 8572 KB Output is correct
39 Correct 61 ms 8584 KB Output is correct
40 Correct 61 ms 8476 KB Output is correct
41 Correct 60 ms 8520 KB Output is correct
42 Correct 34 ms 8392 KB Output is correct
43 Correct 42 ms 8456 KB Output is correct
44 Correct 30 ms 8468 KB Output is correct
45 Correct 70 ms 8488 KB Output is correct
46 Correct 70 ms 8524 KB Output is correct
47 Correct 552 ms 43072 KB Output is correct
48 Correct 343 ms 79304 KB Output is correct
49 Correct 382 ms 86596 KB Output is correct
50 Correct 408 ms 94704 KB Output is correct
51 Correct 699 ms 102232 KB Output is correct
52 Correct 791 ms 102212 KB Output is correct
53 Correct 522 ms 102428 KB Output is correct
54 Correct 471 ms 101232 KB Output is correct
55 Correct 462 ms 101284 KB Output is correct
56 Correct 483 ms 102668 KB Output is correct
57 Execution timed out 1051 ms 101404 KB Time limit exceeded
58 Halted 0 ms 0 KB -