// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),erase(x)
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
#define int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<pii,int>
#define mpp make_pair
#define fi first
#define se second
const int inf=1e18;
const int mod=1e9+7;
const int maxn=505;
const int bl=650;
const int maxs=655;
const int maxm=200005;
const int maxq=500005;
const int maxl=20;
const int maxa=250000;
const int root=3;
int power(int a,int n){
int res=1;
while(n){
if(n&1) res=res*a%mod;
a=a*a%mod;n>>=1;
}
return res;
}
const int iroot=power(3,mod-2);
const int base=101;
struct dd{
int x,y,t,d;
friend bool operator<(dd a,dd b){return a.d<b.d;}
friend bool operator>(dd a,dd b){return a.d>b.d;}
};
int dx[]={0,0,1,-1},
dy[]={1,-1,0,0};
int n,m,a,b,c,sz,f[maxn][maxn],dist[maxn][maxn][5];
void solve(){
cin >> n >> m >> a >> b >> c >> sz;
vector<pii> p(sz+1);
memset(f,-1,sizeof(f));
queue<pii> q;
for(int i=1;i<=sz;i++){
cin >> p[i].fi >> p[i].se;
f[p[i].fi][p[i].se]=0;q.push(p[i]);
}
auto ok = [&](int x,int y){
if(x<0 || y<0 || x>n || y>m) return false;
return true;
};
while(!q.empty()){
auto &[x,y]=q.front();q.pop();
for(int t=0;t<4;t++){
int xt=x+dx[t],yt=y+dy[t];
if(ok(xt,yt) && f[xt][yt]==-1) f[xt][yt]=f[x][y]+1,q.push({xt,yt});
}
}
/*
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++) cout << f[i][j] << ' ';
cout << '\n';
}
*/
for(int i=0;i<=n;i++) for(int j=0;j<=m;j++) for(int t=0;t<=4;t++) dist[i][j][t]=inf;
priority_queue<dd,vector<dd>,greater<dd>> pq;
dist[p[1].fi][p[1].se][4]=0;pq.push({p[1].fi,p[1].se,4,0});;
while(!pq.empty()){
auto [x,y,dir,d]=pq.top();pq.pop();
if(d!=dist[x][y][dir]) continue;
//cout << x << ' ' << y << ' ' << dir << ' ' << d << '\n';
if(dir==4){
for(int t=0;t<4;t++){
int xt=x+dx[t],yt=y+dy[t];
if(!ok(xt,yt)) continue;
if(dist[xt][yt][t]>d+a+b){
dist[xt][yt][t]=d+a+b;
pq.push({xt,yt,t,d+a+b});
}
if(dist[xt][yt][4]>d+c){
dist[xt][yt][4]=d+c;
//cout << xt << ' ' << yt << ' ' << 4 << ' ' << d+c << '\n';
pq.push({xt,yt,4,d+c});
}
}
}
else{
int xt=x+dx[dir],yt=y+dy[dir];
if(ok(xt,yt) && dist[xt][yt][dir]>d+a){
dist[xt][yt][dir]=d+a;
pq.push({xt,yt,dir,d+a});
}
if(dist[x][y][4]>d+f[x][y]*c){
dist[x][y][4]=d+f[x][y]*c;
pq.push({x,y,4,d+f[x][y]*c});
}
}
}
cout << dist[p[sz].fi][p[sz].se][4] << '\n';
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);cout.tie(NULL);
int test=1;//cin >> test;
while(test--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
8012 KB |
Output is correct |
2 |
Correct |
1 ms |
2388 KB |
Output is correct |
3 |
Correct |
202 ms |
20552 KB |
Output is correct |
4 |
Correct |
226 ms |
20508 KB |
Output is correct |
5 |
Correct |
32 ms |
7508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
227 ms |
20592 KB |
Output is correct |
2 |
Correct |
225 ms |
20604 KB |
Output is correct |
3 |
Correct |
177 ms |
18560 KB |
Output is correct |
4 |
Correct |
172 ms |
20520 KB |
Output is correct |
5 |
Correct |
174 ms |
20500 KB |
Output is correct |
6 |
Correct |
190 ms |
20548 KB |
Output is correct |
7 |
Correct |
219 ms |
20720 KB |
Output is correct |
8 |
Correct |
212 ms |
20672 KB |
Output is correct |
9 |
Correct |
212 ms |
20756 KB |
Output is correct |
10 |
Correct |
30 ms |
8128 KB |
Output is correct |
11 |
Correct |
225 ms |
20768 KB |
Output is correct |
12 |
Correct |
211 ms |
20548 KB |
Output is correct |
13 |
Correct |
140 ms |
18548 KB |
Output is correct |
14 |
Correct |
206 ms |
20664 KB |
Output is correct |
15 |
Correct |
179 ms |
20676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
49 ms |
8012 KB |
Output is correct |
2 |
Correct |
1 ms |
2388 KB |
Output is correct |
3 |
Correct |
202 ms |
20552 KB |
Output is correct |
4 |
Correct |
226 ms |
20508 KB |
Output is correct |
5 |
Correct |
32 ms |
7508 KB |
Output is correct |
6 |
Correct |
227 ms |
20592 KB |
Output is correct |
7 |
Correct |
225 ms |
20604 KB |
Output is correct |
8 |
Correct |
177 ms |
18560 KB |
Output is correct |
9 |
Correct |
172 ms |
20520 KB |
Output is correct |
10 |
Correct |
174 ms |
20500 KB |
Output is correct |
11 |
Correct |
190 ms |
20548 KB |
Output is correct |
12 |
Correct |
219 ms |
20720 KB |
Output is correct |
13 |
Correct |
212 ms |
20672 KB |
Output is correct |
14 |
Correct |
212 ms |
20756 KB |
Output is correct |
15 |
Correct |
30 ms |
8128 KB |
Output is correct |
16 |
Correct |
225 ms |
20768 KB |
Output is correct |
17 |
Correct |
211 ms |
20548 KB |
Output is correct |
18 |
Correct |
140 ms |
18548 KB |
Output is correct |
19 |
Correct |
206 ms |
20664 KB |
Output is correct |
20 |
Correct |
179 ms |
20676 KB |
Output is correct |
21 |
Correct |
44 ms |
8288 KB |
Output is correct |
22 |
Correct |
270 ms |
20532 KB |
Output is correct |
23 |
Correct |
250 ms |
15452 KB |
Output is correct |
24 |
Correct |
269 ms |
16748 KB |
Output is correct |
25 |
Correct |
262 ms |
20540 KB |
Output is correct |
26 |
Correct |
264 ms |
21044 KB |
Output is correct |
27 |
Runtime error |
20 ms |
11328 KB |
Execution killed with signal 11 |
28 |
Halted |
0 ms |
0 KB |
- |