Submission #607543

#	Time	Username	Problem	Language	Result	Execution time	Memory
607543		MohamedFaresNebili	Rail (IOI14_rail)	C++14	0 / 100	71 ms	728 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 getDistance(int i, int j);

            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 = first + 1;
                for(int l = 1; l < n; l++) {
                    if(query(0, l) < query(0, D)) D = l;
                }
                for(int l = 1; l < n; l++) {
                    int A = query(0, l), B = query(D, l), C = query(0, D);
                    if(C + D == A) stype[l] = 1, location[l] = A - 2 * C;
                    else stype[l] = 2, location[l] = first + A;
                }
            }

Compilation message (stderr)

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:37:42: warning: unused variable 'B' [-Wunused-variable]
   37 |                     int A = query(0, l), B = query(D, l), C = query(0, D);
      |                                          ^

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