Submission #607555

#	Time	Username	Problem	Language	Result	Execution time	Memory
607555		MohamedFaresNebili	Rail (IOI14_rail)	C++14	8 / 100	114 ms	98496 KiB

rail

#include <bits/stdc++.h>
#include "rail.h"
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")
 
            using namespace std;
 
            using ll = long long;
            using ld = long double;
 
            #define ff first
            #define ss second
            #define pb push_back
            #define all(x) (x).begin(), (x).end()
            #define lb lower_bound
 
            const int MOD = 998244353;
 
            int DP[5005][5005];
            int query(int i, int j) {
                if(i == j) return 0;
                if(DP[i][j] != -1)
                    return DP[i][j];
                return DP[i][j] = getDistance(i, j);
            }
 
            void findLocation(int n, int first, int location[], int stype[]) {
                location[0] = first;
                stype[0] = 1; int D = -1;
              	memset(DP, -1, sizeof DP);
                for(int l = 1; l < n; l++) {
                    if(D == -1 || query(0, l) < query(0, D)) D = l;
                }
              	stype[D] = 2; location[D] = first + query(0, D);
                for(int l = 1; l < n; l++) {
                  	if(l == D) continue;
                    int A = query(0, l), B = query(D, l), C = query(0, D);
                    if(B + C == A) stype[l] = 1, location[l] = first - A + 2 * B;
                    else stype[l] = 2, location[l] = first + A;
                }
            }

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