| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 976562 | yeediot | Soccer (JOI17_soccer) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
struct line{
int a,b;
int operator()(const int x)const{
return a*x+b;
}
};
bool check(line l1,line l2,line l3){
return (l3.b-l2.b)*(l1.a-l2.a)<=(l2.b-l1.b)*(l2.a-l3.a);
}
const int N=505*505;
const int INF=1e18;
int x[N], y[N], dis[N][N] , dx[4]={0, 0, -1, 1}, dy[4]={-1, 1, 0, 0}, dist[505][505][5];
int n, m, a, b, c, t;
bool valid(int x,int y){
return (0<=x and x<=n and 0<=y and y<=m);
}
#define tiiii tuple<int,int,int,int>
vector<tiiii>adj[505][505][5];
signed main(){
setio();
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin >> n >> m >> a >> b >> c >> t;
queue<pair<int,int>>q;
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
dis[i][j]=INF;
}
}
for(int i=0;i<t;i++){
cin>>x[i]>>y[i];
q.push({x[i],y[i]});
dis[x[i]][y[i]]=0;
}
while(sz(q)){
auto [x,y]=q.front();
q.pop();
for(int j=0;j<4;j++){
int nx=x+dx[j],ny=y+dy[j];
if(!valid(nx,ny))continue;
if(dis[nx][ny]>dis[x][y]+1){
dis[nx][ny]=dis[x][y]+1;
q.push({nx,ny});
}
}
}
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
dist[i][j][0]=INF;
for(int k=1;k<=4;k++){
dist[i][j][k]=INF;
int nx=i+dx[k-1],ny=j+dy[k-1];
adj[i][j][0].pb({i,j,k,b});
adj[i][j][k].pb({i,j,0,dis[i][j]*c});
if(!valid(nx,ny))continue;
adj[i][j][k].pb({nx,ny,k,a});
adj[i][j][0].pb({nx,ny,0,c});
}
}
}
dist[x[0]][y[0]][0]=0;
priority_queue<tiiii,vector<tiiii>,greater<tiiii>>pq;
pq.push({0,x[0],y[0],0});
while(sz(pq)){
auto [d,x,y,k]=pq.top();
debug(d,x,y,k);
pq.pop();
if(d!=dist[x][y][k])
continue;
for(auto [nx,ny,nk,nc]:adj[x][y][k]){
if(dist[nx][ny][nk]>d+nc){
dist[nx][ny][nk]=d+nc;
pq.push({d+nc,nx,ny,nk});
}
}
}
cout<<dist[x[t-1]][y[t-1]][0]<<'\n';
}
/*
input:
*/