Submission #1193501

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193501		thelegendary08	Soccer (JOI17_soccer)	C++17	100 / 100	499 ms	106396 KiB

soccer

#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define int long long
#define vi vector<int>
#define vvi vector<vector<int>>
#define pii pair<int, int>
#define vpii vector<pair<int, int>>
#define vc vector<char>
#define vb vector<bool>
#define mii map<int,int>
#define f0r(i,n) for(int i=0;i<n;i++)
#define FOR(i,k,n) for(int i=k;i<n;i++)
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define in(a) int a; cin>>a
#define in2(a,b) int a,b; cin>>a>>b
#define in3(a,b,c) int a,b,c; cin>>a>>b>>c
#define in4(a,b,c,d) int a,b,c,d; cin>>a>>b>>c>>d
#define vin(v,n); vi v(n); f0r(i,n){cin>>v[i];}
#define out(a) cout<<a<<'\n'
#define out2(a,b) cout<<a<<' '<<b<<'\n'
#define out3(a,b,c) cout<<a<<' '<<b<<' '<<c<<'\n'
#define out4(a,b,c,d) cout<<a<<' '<<b<<' '<<c<<' '<<d<<'\n'
#define pout(a) cout<<a.first<<' '<<a.second<<'\n'
#define vout(v) for(auto u : v){cout<<u<<' ';} cout<<'\n'
#define dout(a) cout<<a<<' '<<#a<<'\n'
#define dout2(a,b) cout<<a<<' '<<#a<<' '<<b<<' '<<#b<<'\n'
#define yn(x); if(x){cout<<"YES"<<'\n';}else{cout<<"NO"<<'\n';}
const int leg = 1e9 + 7;
const int mod = 998244353;
using namespace std;
int n,m;
vpii adj(int x, int y){
	vpii ret;
	if(x != 0)ret.pb(mp(x-1, y));
	if(x != n-1)ret.pb(mp(x+1, y));
	if(y != 0)ret.pb(mp(x, y-1));
	if(y != m-1)ret.pb(mp(x, y+1));
	return ret;
}
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	//ifstream cin(".in");
	//ofstream cout(".out");
	cin>>n>>m;
	n++; m++;
	in3(a,b,c);
	in(k);
	vpii pts;
	f0r(i,k){
		in2(x,y);
		pts.pb(mp(x,y));
	}
	
	vvi nearestplayer(n, vi(m, 4e18));
	queue<pii>q;
	
	f0r(i,k){
		int x = pts[i].first;
		int y = pts[i].second;
		q.push(mp(x,y));
		nearestplayer[x][y] = 0;
	}
	
	while(!q.empty()){
		pii node = q.front();
		q.pop();
		for(auto u : adj(node.first,node.second)){
			if(nearestplayer[u.first][u.second] == 4e18){
				nearestplayer[u.first][u.second] = nearestplayer[node.first][node.second] + 1;
				q.push(u);
			}
		}
	}
	
	vector<vpii> ad(n*m*3 + 10);
	f0r(i, n){
		f0r(j,m){
			
			for(auto u : adj(i,j)){
				ad[i * m + j].pb(mp(u.first * m + u.second, c));
				if(u.first != i)ad[i * m + j + n * m].pb(mp(u.first * m + u.second + n * m, a));
				else ad[i * m + j + 2 * n * m].pb(mp(u.first * m + u.second + 2 * n * m, a));
				
			}
			ad[i * m + j].pb(mp(i * m + j + n * m, b));
			ad[i * m + j + n * m].pb(mp(i * m + j, nearestplayer[i][j] * c));
			
			ad[i * m + j].pb(mp(i * m + j + n * m * 2, b));
			ad[i * m + j + n * m * 2].pb(mp(i * m + j, nearestplayer[i][j] * c));
		}
	}
	
	vi dist(n * m * 3 + 10, 4e18);
	int st = pts[0].first * m + pts[0].second;
	priority_queue<pii>pq;
	dist[st] = 0;
	pq.push(mp(0,st));
	vb vis(n*m*3 + 10);
	while(!pq.empty()){
		int node = pq.top().second;
		pq.pop();
		if(vis[node])continue;
		vis[node] = 1;
		for(auto u : ad[node]){
			if(dist[u.first] > dist[node] + u.second){
				dist[u.first] = dist[node] + u.second;
				pq.push(mp(-dist[u.first], u.first));
			}
		}
	}
	// dout(dist[st + n * m + 3]);
	int en = pts[k-1].first * m + pts[k-1].second;
	
	out(dist[en]);
	
}

• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 65 / 65