Submission #882502

#	Time	Username	Problem	Language	Result	Execution time	Memory
882502		vjudge1	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	57 / 100	1063 ms	3552 KiB

skyscraper

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
#define author tolbi
#include <bits/stdc++.h>
using namespace std;
template<typename X, typename Y> istream& operator>>(istream& in, pair<X,Y> &pr) {return in>>pr.first>>pr.second;}
template<typename X, typename Y> ostream& operator<<(ostream& os, pair<X,Y> pr) {return os<<pr.first<<" "<<pr.second;}
template<typename X> istream& operator>>(istream& in, vector<X> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X> ostream& operator<<(ostream& os, vector<X> arr) {for(auto &it : arr) os<<it<<" "; return os;}
template<typename X, size_t Y> istream& operator>>(istream& in, array<X,Y> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X, size_t Y> ostream& operator<<(ostream& os, array<X,Y> arr) {for(auto &it : arr) os<<it<<" "; return os;}
#define int long long
#define endl '\n'
#define vint(x) vector<int> x
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(),x.end())
#define sortrarr(x) sort(x.rbegin(),x.rend())
#define det(x) cout<<"NO\0YES"+x*3<<endl;
#define INF LONG_LONG_MAX
#define rev(x) reverse(x.begin(),x.end());
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define tol(bi) (1LL<<((int)(bi)))
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
int32_t main(){
	ios;
	int t=1;
	int tno = 0;
	if (!t) cin>>t;
	while (t-(tno++)){
		deci(n);deci(m);
		vector<vector<int>> arr(n);
		int bas = -1;
		int son = -1;
		for (int i = 0; i < m; i++){
			deci(x);deci(p);
			if (i==0) bas = x;
			if (i==1) son = x;
			arr[x].push_back(p);
		}
		vector<int> sp(n,-1);
		queue<array<int,4>> q;//nerde, kacla yuruo, time, nereye gidio
		sp[bas]=0;
		for (int i = 0; i < arr[bas].size(); ++i)
		{
			if (bas-arr[bas][i]>=0){
				q.push({bas-arr[bas][i],arr[bas][i],1,0});
			}
			if (bas+arr[bas][i]<n){
				q.push({bas+arr[bas][i],arr[bas][i],1,1});
			}
		}
		while (q.size()){
			int node = q.front()[0];
			int step = q.front()[1];
			int tim = q.front()[2];
			int wh = q.front()[3];
			q.pop();
			if (sp[node]==-1){
				sp[node]=tim;
				if (node==son) break;
				for (int i = 0; i < arr[node].size(); i++){
					if (arr[node][i]==step) continue;//optimize etcez
					if (node-arr[node][i]>=0){
						q.push({node-arr[node][i],arr[node][i],tim+1,0});
					}
					if (node+arr[node][i]<n){
						q.push({node+arr[node][i],arr[node][i],tim+1,1});
					}
				}
			}
			if (wh==0){
				if (node-step>=0) q.push({node-step,step,tim+1,wh});
			}
			else {
				if (node+step<n) q.push({node+step,step,tim+1,wh});
			}
		}
		cout<<sp[son]<<endl;
	}
}

Compilation message (stderr)

skyscraper.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
skyscraper.cpp: In function 'int32_t main()':
skyscraper.cpp:55:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |   for (int i = 0; i < arr[bas].size(); ++i)
      |                   ~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:73:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     for (int i = 0; i < arr[node].size(); i++){
      |                     ~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 14 / 14
• Subtask 4: 21 / 21
• Subtask 5: 0 / 43