Submission #741065

#	Time	Username	Problem	Language	Result	Execution time	Memory
741065		emptypringlescan	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	Compilation error	0 ms	0 KiB

skyscraper

#include <bits/stdc++.h>
using namespace std;
int cor[30005][3];
vector<pair<int,int> > adj[7000000];
int32_t main(){
	ios_base::sync_with_stdio(0); 
	cin.tie(0);
	int n,m;
	cin >> n >> m;
	int c=30001;
	for(int i=0; i<n; i++){
		for(int j=1; j<3; j++){
			cor[i][j]=c;
			c++;
		}
	}
	for(int i=0; i<n; i++){
		for(int j=1; j<3; j++){
			if(i+j<n){
				adj[cor[i][j]].push_back({cor[i+j][j],1});
				adj[cor[i+j][j]].push_back({cor[i][j],1});
			}
			adj[cor[i][j]].push_back({i,0});
		}
	}
	
	int s=0,e=0;
	for(int i=0; i<m; i++){
		int a,b;
		cin >> a >> b;
		if(i==0) s=a;
		if(i==1) e=a;
		if(b<3){
			adj[a].push_back({cor[a][b],0});
		}
		else{
			for(int j=1; j<n; j++){
				if(a+j*b>=n) break;
				adj[a].push_back({a+j*b,j});
			}
			for(int j=1; j<n; j++){
				if(a-j*b<0) break;
				adj[a].push_back({a-j*b,j});
			}
		}
	}
	priority_queue<pair<int,int>,vector<pair<int,int> >,greater<pair<int,int> > > pq;
	pq.push({0,s});
	int dist[5000000];
	for(int i=0; i<5000000; i++) dist[i]=1e7;
	dist[s]=0;
	while(!pq.empty()){
		int a=pq.top().first,b=pq.top().second;
		pq.pop();
		if(a>dist[b]) continue;
		//cout << b << ' ' << a << '\n';
		if(b==e){
			cout << a;
			return 0;
		}
		for(auto i:adj[b]){
			if(dist[i.first]<=a+i.second) continue;
			dist[i.first]=a+i.second;
			pq.push({a+i.second,i.first});
		}
	}
	cout << -1;

Compilation message (stderr)

skyscraper.cpp: In function 'int32_t main()':
skyscraper.cpp:67:12: error: expected '}' at end of input
   67 |  cout << -1;
      |            ^
skyscraper.cpp:5:15: note: to match this '{'
    5 | int32_t main(){
      |               ^