제출 #1161757

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1161757		irmuun	Fish 3 (JOI24_fish3)	C++20	0 / 100	2096 ms	4936 KiB

Main

#include <bits/stdc++.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 main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	ll n,d;
	cin>>n>>d;
	ll c[n+5];
	for(ll i=1;i<=n;i++){
		cin>>c[i];
	}
	ll q;
	cin>>q;
	ll a[n+5];
	while(q--){
		ll l,r;
		cin>>l>>r;
		for(ll i=l;i<=r;i++){
			a[i]=c[i];
		}
		ll ans=0;
		for(ll i=l;i<=r;i++){
			ll mn=(ll)1e18;
			for(ll j=i;j<=r;j++){
				mn=min(mn,a[j]);
			}
			ll left=a[i]-mn;
			ll val=(left+d-1)/d*d;
			if(val>a[i]){
				ans=-1;
				break;
			}
			ll sub=a[i]-val;
			for(ll j=i;j<=r;j++){
				a[j]-=sub;
			}
			ans+=val/d;
		}
		cout<<ans<<"\n";
	}
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 7
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36