Submission #881913

#	Time	Username	Problem	Language	Result	Execution time	Memory
881913		irmuun	Overtaking (IOI23_overtaking)	C++17	0 / 100	0 ms	348 KiB

overtaking

#include<bits/stdc++.h>
#include "overtaking.h"
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int l,n,x,m;
vector<ll>t;
vector<int>w,s;

void init(int L,int N,vector<ll>T,vector<int>W,int X,int M,vector<int>S){
    l=L; n=N; t=T; w=W; x=X; m=M; s=S;
}

ll arrival_time(ll Y){
    if(n==1){
        ll e[2],rl[2];
        bool flag=false;
        if(Y<=t[0]||x<=w[0]){
            return 1ll*l*x;
        }
        e[0]=t[0];
        e[1]=Y;
        for(ll i=1;i<m;i++){
            rl[0]=e[0]+1ll*(s[i]-s[i-1])*w[i];
            rl[1]=e[1]+1ll*(s[i]-s[i-1])*x;
            if(e[0]<e[1]){
                rl[1]=max(rl[1],e[0]);
            }
            if(e[0]>e[1]){
                rl[0]=max(rl[0],e[1]);
            }
            e[0]=rl[0];
            e[1]=rl[1];
        }
        return e[1];
    }
    return 0ll;
}

Compilation message (stderr)

overtaking.cpp: In function 'long long int arrival_time(long long int)':
overtaking.cpp:24:14: warning: unused variable 'flag' [-Wunused-variable]
   24 |         bool flag=false;
      |              ^~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 26
• Subtask 5: 0 / 35