Submission #1326185

#	Time	Username	Problem	Language	Result	Execution time	Memory
1326185		Mauricio_Cruz	Self Study (JOI22_ho_t2)	C++20	0 / 100	98 ms	8868 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define all(x) x.begin(), x.end()

#define srtl(x)sort(all(x))
#define srtg(x)sort((x).begin(),(x).end(),greater<>())
#define rev(x) reverse(all(x))
#define lb(x,y) lower_bound(x.begin(),x.end(),y)-x.begin()
#define ub(x,y) upper_bound(x.begin(),x.end(),y)-x.begin()

#define ios ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

#define f first
#define s second
#define pb push_back
#define ins insert
#define next next_permutation
#define _b __builtin_popcount

#define ve vector
#define pii pair<int,int>
#define piii pair<int,pii>
#define vi vector<int>
#define vii vector<pii>
#define viii vector<piii>
#define vvi vector<vi>
#define vs vector<string>
#define vb vector<bool>

#define pV(x)for(auto i:x)cout<<i<<" ";

#define geta(a){for(auto &i:a)cin>>i;}

#define fr(n)for(int i=0;i<n;i++)
#define Fr(n)for(int i=n-1;i>=0;i--)

#define suma(a)accumulate(a.begin(),a.end(),0LL)

#define br(x){cout<<x<<"\n";return;}
#define yesn cout<<"YES\n";

#define yes()br("YES");
#define no(){br("NO")}

#define alice() br("Alice");
#define bob() br("Bob");

#define cn continue;

#define cint const int
#define int long long


int mod=1000000007;
cint mod1=100000007;
cint mod2=998244353;

int ax[8]={0,1,0,-1,-1,1,1,-1};
int ay[8]={1,0,-1,0,1,-1,1,-1};

//bool on(int x,int y){return (x>=0&&x<n&&y>=0&&y<m);}
//int euc(int a,int b,int c,int d){return abs(a-c)+abs(b-d);}

int bp(int x,int y){
	if(y==0)return 1;
	int r=bp(x,y/2);
	return (y&1)?r*r%mod*x%mod:r*r%mod;
}
int bpm(int x,int y){
	if(y==0)return 1;
	int r=bp(x,y/2);
	return (y&1)?r*r*x:r*r;
}
cint N=200006;
int F[N+1],I[N+1];

int cmb(int n,int k){
	return (((F[n]*I[k])%mod)*I[n-k])%mod;
}

int cinn(){
	int n;
	cin>>n;
	return n;
}
#define w cinn()

int n,m;

vi a,b;

bool p(int x){
	int ap=0;
	for(int i=0;i<n;i++){
		int c=(x+a[i]-1)/a[i];
		if(a[i]*m>=x){
			ap+=m-c;
		}
		else{
			c=((x-m*a[i])+b[i]-1)/b[i];
			ap-=c;
		}
	}
	return ap>=0;
}

void solve(){
	n=w;m=w;
	for(int i=0;i<n;i++){
		a.pb(w);
	}
	for(int i=0;i<n;i++){
		b.pb(w);
		a[i]=max(a[i],b[i]);
	}
	
	int mi=-1,ma=1e18,me;
	
	int res=0;
	while(ma-mi!=1){
		me=(ma+mi)/2;
		if(p(me)){
			mi=me;
			res=max(res,me);
		}
		else ma=me;
	}
	cout<<res;
}

int32_t main(){
	
	ios;

	int t=1;
	//cin>>t;
	
	/*
	F[0]=1;
	for(int i=1;i<=N;i++){
		F[i]=(i*F[i-1])%mod;
	}
	
	I[N]=(bp(F[N],mod-2))%mod;
	for(int i=N-1;i>=0;i--){
		I[i]=(I[i+1]*(i+1))%mod;
	}
	//*/
	
	
	
	while(t--){
		solve();
	}
	
	return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 9