제출 #1249793

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1249793		lekyanh	Snail (NOI18_snail)	C++20	100 / 100	3 ms	328 KiB

snail

//#pragma GCC optimize("O3,unroll_loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll H, n, i, j, a[10004], tong, tong1, h_max, t=0, day=0, x, tongkq;
int main(){
	cin>>H>>n;
	for(i=0; i<n; i++){
		cin>>a[i];
		tong1+=a[i];
		if(tong1<0) tong1=0;
		tong+=a[i];
		h_max=max(h_max, tong);
	}
	day=0;
	t=0;
	while(day<2){
		for(i=0; i<n; i++){
			t+=a[i];
		//	cout<<t<<' ';
			if(t<0) t=0;
			if(t>=H){
				cout<<day<<' '<<i;
				return 0;
			}
		}
		day++;
	}
	if(tong<=0) cout<<"-1 -1";
	else{
	//	cout<<"yess"<<endl;
		x=(H-tong1-h_max)/tong;
		x=max(x, 0LL);
		tongkq+=tong1+tong*x;
		while(true){
			for(i=0; i<n; i++){
				tongkq+=a[i];
				if(tongkq>=H){
					cout<<x+1<<' '<<i;
					return 0;
				}
			}
			x++;
		}
	}
}

• Subtask 1: 11 / 11
• Subtask 2: 9 / 9
• Subtask 3: 25 / 25
• Subtask 4: 17 / 17
• Subtask 5: 38 / 38