Submission #1063838

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063838		ProtonDecay314	Overtaking (IOI23_overtaking)	C++17	Compilation error	0 ms	0 KiB

overtaking

#include "overtaking.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pi;
typedef pair<ll, ll> pll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
typedef vector<vpi> vvpi;
typedef vector<vpll> vvpll;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef short int si;
typedef vector<si> vsi;
typedef vector<vsi> vvsi;
#define IOS ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define L(varll, mn, mx) for(ll varll = (mn); varll < (mx); varll++)
#define LR(varll, mx, mn) for(ll varll = (mx); varll > (mn); varll--)
#define LI(vari, mn, mx) for(int vari = (mn); vari < (mx); vari++)
#define LIR(vari, mx, mn) for(int vari = (mx); vari > (mn); vari--)
#define INPV(varvec) for(auto& varveci : (varvec)) cin >> varveci
#define fi first
#define se second
#define pb push_back
#define INF(type) numeric_limits<type>::max()
#define NINF(type) numeric_limits<type>::min()
#define TCASES int t; cin >> t; while(t--)

struct bus {
    ll v;
    ll t;
};

typedef vector<bus> vbu;

typedef vector<vbu> vvbu;

ll n;

vbu init_buses;
void init(int L, int N, vll T, vi W, int X, int M, vi S)
{
    // ! No need to clear variables! This procedure is only called once :)) 

    LI(i, 0, N) {
        if(W[i] > X) {
            init_buses.pb({W[i] - X, T[i]});
        }
    }

    n = init_buses.size();

    // Learning: vector assignment in C++
    // implicitly calls the copy constructor
    sort(init_buses.begin(), init_buses.end(), [](bus& b1, bus& b2) {return b1.t < b2.t || (b1.t == b2.t && b1.v < b2.v);});

    return;
}

ll arrival_time(ll Y)
{
    // for each bus whose arrival time is less than the current, get the maximum time

    ll max_t = Y + X * S[1];

    L(i, 0ll, n) {
        if(init_buses[i].t < Y) {
            max_t = max(max_t, init_buses[i].t + init_buses[i].v * S[1]);
        }
    }

    return max_t;
}

Compilation message (stderr)

overtaking.cpp: In function 'll arrival_time(ll)':
overtaking.cpp:68:20: error: 'X' was not declared in this scope
   68 |     ll max_t = Y + X * S[1];
      |                    ^
overtaking.cpp:68:24: error: 'S' was not declared in this scope
   68 |     ll max_t = Y + X * S[1];
      |                        ^