Submission #1191552

#	Time	Username	Problem	Language	Result	Execution time	Memory
1191552		NAMIN	Long Distance Coach (JOI17_coach)	C++20	71 / 100	2093 ms	8232 KiB

coach

#include <bits/stdc++.h>

#define endl "\n"
#define ll long long

using namespace std;

struct pass{
	ll d,c;

	bool operator<(const pass p)const{
		if(d == p.d)
			return c < p.c;
		return d < p.d;
	}
};

void solve(){
	ll X,N,M,W,T;
	cin >> X >> N >> M >> W >> T;
	
	vector<ll> S(N);
	for(int i=0;i<N;i++)
		cin >> S[i];
	S.push_back(X);
	vector<pass> passager(M);
	for(int i=0;i<M;i++){
		cin >> passager[i].d >> passager[i].c;
	}
	sort(passager.begin(),passager.end());
	sort(S.begin(),S.end());

	vector<ll> pref(M+1,0);
	for(int i=1;i<=M;i++){
		pref[i] = pref[i-1]+passager[i-1].c;
	}

	vector<ll> dp(M+1,1e18);
	dp[M] = 0;
	for(int i=M-1;i>=0;i--){
		ll D = passager[i].d,C = passager[i].c;
		dp[i] = dp[i+1]+((X-D)/T+1)*W;
		for(int j=0;j<=N;j++){
			if(S[j]%T > D){
				pass p = {S[j]%T,-1LL};
				auto it = upper_bound(passager.begin(),passager.end(),p);
				assert(it != passager.begin());
				it--;
				int last = it-passager.begin();
				dp[i] = min(dp[last+1]+(pref[last+1]-pref[i])+(last-i+1)*((S[j]-D)/T)*W
							,dp[i]);
			}
		}
	}
	
	cout << dp[0] + ((X/T+1) * W) << endl;
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);

	int t = 1;
	//cin >> t;
 	while(t--){
		solve();
	}
	return 0;
}

• Subtask 1: 16 / 16
• Subtask 2: 30 / 30
• Subtask 3: 25 / 25
• Subtask 4: 0 / 29