Submission #1015038

#	Time	Username	Problem	Language	Result	Execution time	Memory
1015038		djs100201	쌍둥이 독수리 (GA7_twineagles)	C++17	52 / 100	1 ms	532 KiB

twineagles

#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx2")
#define all(v) v.begin(),v.end()
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
using PP = pair<ll, P>;
const ll n_ =1e5+100, inf = (ll)2e9 * (ll)2e9 + 7, mod = 998244353;
ll n, m, tc = 1, a, b, c, d, sum, x, y, z, base, ans, k;
ll gcd(ll x,ll y){
	if(!y)return x;
	return gcd(y,x%y);
}
//추가 일수 최소....
bool can;
ll get(ll dmg,ll hp,ll heal){
	if(dmg>=hp){
		if(dmg/2>=hp)can=true;
		return 1;
	}
	if(dmg<=heal) return inf;
	ll l=0,r=2e9,ret=inf;
	while(l<=r){
		ll mid=(l+r)/2;
		if(hp-dmg+mid*(heal-dmg)<=0){
			ret=min(ret,mid);
			r=mid-1;
		}
		else l=mid+1;
	}
	if(hp-dmg/2+ret*(heal-dmg)<=0)can=true;
	return ret+1;
}
void solve(){
	ll LH,S,D,L,B;
	cin>>LH>>S>>D>>L>>B;
	//if(D>=S)swap(S,D),swap(L,B);
	//항상 S<=D임...
	ans=inf;
	can=false;
	x=get(LH*2,S,L);
	if(can){
		if(D+(x-1)*B<=LH)ans=min(ans,x);
		ans=min(ans,x+get(LH*2,D+x*B-LH,B));
	}
	else {
		ans=min(ans,x+get(LH*2,D+x*B,B));
	}
	can=false;
	x=get(LH*2,D,B);
	if(can){
		if(S+(x-1)*L<=LH)ans=min(ans,x);
		ans=min(ans,x+get(LH*2,S+x*L-LH,L));
	}
	else ans=min(ans,x+get(LH*2,S+x*L,L));
	cout<<ans<<endl;
}


int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	//cin >> tc;
	while (tc--)solve();
}

• Subtask 1: 11 / 11
• Subtask 2: 18 / 18
• Subtask 3: 9 / 9
• Subtask 4: 14 / 14
• Subtask 5: 0 / 48