Submission #204603

#	Time	Username	Problem	Language	Result	Execution time	Memory
204603		awlintqaa	Rail (IOI14_rail)	C++14	56 / 100	883 ms	98808 KiB

rail

#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 200
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf= 4e18;
const ld pai=acos(-1);
#include "rail.h"
int n,st;
vi v;
int dis[5009][5009];
int done[5009],way[5009];
void findLocation(int N, int first, int location[], int stype[]){
        n=N,st=first;
        location[0]=st,stype[0]=1;
                if(n==1)return;
        done[0]=1;
        for(int i=0;i<n;i++){
                for(int j=i+1;j<n;j++){
                        dis[i][j]=dis[j][i]=getDistance(i,j);
                }
        }
        for(int i=1;i<n;i++){
                int z=1;
                for(int j=1;j<n;j++){
                        if(i==j)C;
                        if(dis[0][i]==dis[0][j]+dis[j][i]){
                                way[i]++;
                                z=0;
                        }
                }
                if(z){
                        v.pb(i);
                        done[i]=1;
                        location[i]=dis[0][i]+st;
                        stype[i]=2;
                }
        }
        vi ret;
        for(int i=0;i<n;i++){
                if(done[i])C;
                for(auto u:v){
                        if(dis[0][i]==dis[0][u]+dis[u][i] && way[i]==1){
                                location[i]=location[u]-dis[u][i];
                                stype[i]=1;
                                done[i]=1;
                                ret.pb(i);
                        }
                }
        }
        for(int i=0;i<n;i++){
                if(done[i])C;
                for(auto u:ret){
                        if(dis[0][i]==dis[0][u]+dis[u][i]){
                                location[i]=location[u]+dis[u][i];
                                stype[i]=2;
                                done[i]=1;
                        }
                }
        }
}

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 26 / 26
• Subtask 4: 0 / 44