oj.uz

Submission #777265

# Submission time Handle Problem Language Result Execution time Memory
777265 2023-07-09T01:11:46 Z bachhoangxuan Soccer (JOI17_soccer) C++17
35 / 100
 270 ms 21044 KB 
// 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();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory 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

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory 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

Subtask #3
0 / 65.0

# Verdict Execution time Memory 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 -