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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#227982#7638. Lakeucup-team2186#AC ✓0ms3824kbC++142.4kb2023-10-28 10:24:262023-10-28 10:24:26

Judging History

This is the latest submission verdict.

  • [2023-10-28 10:24:26]
  • Judged
  • Verdict: AC
  • Time: 0ms
  • Memory: 3824kb
  • [2023-10-28 10:24:26]
  • Submitted

answer

#include<bits/stdc++.h>
#include<iostream>
#include<string>
#include<cmath>
#include<cstdio>
#include<cctype>
#include<cstring>
#include<iomanip>
#include<cstdlib>
#include<ctime>
#include<set>
#include<map>
#include<utility>
#include<queue>
#include<vector>
#include<stack>
#include<sstream>
#include<algorithm>
/************************************************/
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define m_p make_pair
#define pb push_back
#define fr first
#define se second
#define ford(i,n) for(int i=n-1;i>=0;i--)
#define forn(i,a,n) for(int i=a;i<n;i++)
#define foreach(i,c) for(__typeof(c.begin())i=(c.begin());i!=(c).end();i++)
#define pii pair<int,int>
#define vi vector<int>
#define ll long long
#define vll vector<ll>
#define sz(s) (int)(s.size())
#define all(s) s.begin(),s.end()
#define zero(x) memset(x,0,sizeof(x))
#define vii vector<pair<int,int> >
#define mpis map<int,string>
#define mpii map<int,int>
#define mpsi map<string,int>
#define re return
#define mod 998244353
/************************************************/
using namespace std;

long long get(){
	char c=getchar();
	long long x=0LL;
	while(c<'0'||c>'9')
	c=getchar();
	while(c>='0'&&c<='9'){
		x*=10LL;
		x+=(c-'0');
		c=getchar();
	}
	return x;
}
string i_t_s(int x){
	string t="";
	while(x){
		t+=x%10+'0';
		x/=10;
	}
	reverse(all(t));
	re t;
}
int s_t_i(string t){
	int x=0;
	rep(i,sz(t)){
		x=x*10+(t[i]-'0');
	}
	re x;
}
ll q_p(ll x,ll y){
	ll res=1;
	x%=mod;
	while(y){
		if(y%2){
			res=res*x;
			res%=mod;
		}
		y/=2;
		x=x*x;
		x%=mod;
	}
	re res;
}
bool ok(int x,int y,int n,int m){
	 re(x>=0&&x<n&&y>=0&&y<m);
}
bool isprime(int x){
	if(x<2)
	re false;
	for(int i=2;i*i<=x;i++)
	if(x%i==0)
	re false;
	re true;
}
int dx[4]={0,-1,0,1},dy[4]={1,0,-1,0};

	int n,m;
	bool check(int x){
		int nn=n,mm=m;
		n-=3*x,m-=3*x;
		n=max(0ll,n);
		m=max(0ll,m);
		swap(n,nn);
		swap(m,mm);
		if(nn+mm<=x)
		re true;
		re false;
	} 
signed main(){
	ios::sync_with_stdio(0);
	cin>>n>>m;
	int l=1,r=1e9;
	while(l<r){
		int mid=l+r>>1;
		if(check(mid))
		r=mid;
		else
		l=mid+1;
	} 
	cout<<l*2-1;
	re 0;
}
/*
检查循环是rep(i,n)还是rep(i,m)!!
long long所要的时间比int长!!
没有long long必要不写long long!!
写公式前先想一想!!
二分前看一看边界对不对,有没有特殊值!!
提交前要测特殊数据(边界上的)!!
*/




详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3520kb

input:

1 1

output:

1

result:

ok single line: '1'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3740kb

input:

1 4

output:

1

result:

ok single line: '1'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

5 5

output:

3

result:

ok single line: '3'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

4 4

output:

3

result:

ok single line: '3'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

3 4

output:

1

result:

ok single line: '1'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

8 12

output:

5

result:

ok single line: '5'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

12 8

output:

5

result:

ok single line: '5'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3484kb

input:

8182 520051

output:

260025

result:

ok single line: '260025'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

501760 6405

output:

250879

result:

ok single line: '250879'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

823266 88861

output:

411633

result:

ok single line: '411633'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

239 145282

output:

72641

result:

ok single line: '72641'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

699570 720193

output:

405647

result:

ok single line: '405647'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3512kb

input:

867352 1

output:

433675

result:

ok single line: '433675'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

750000 1000000

output:

499999

result:

ok single line: '499999'

Test #15:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

285000 548363

output:

274181

result:

ok single line: '274181'

Test #16:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

1 852444

output:

426221

result:

ok single line: '426221'

Test #17:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

1000000 250000

output:

499999

result:

ok single line: '499999'

Test #18:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

844055 999166

output:

526635

result:

ok single line: '526635'

Test #19:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

624459 81198

output:

312229

result:

ok single line: '312229'

Test #20:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

133284 649589

output:

324795

result:

ok single line: '324795'

Test #21:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

686561 29708

output:

343281

result:

ok single line: '343281'

Test #22:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

962302 651431

output:

481151

result:

ok single line: '481151'

Test #23:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

943904 239

output:

471951

result:

ok single line: '471951'

Test #24:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

738878 516228

output:

369439

result:

ok single line: '369439'

Test #25:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

857775 406861

output:

428887

result:

ok single line: '428887'

Test #26:

score: 0
Accepted
time: 0ms
memory: 3484kb

input:

858359 35792

output:

429179

result:

ok single line: '429179'

Test #27:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

319533 123338

output:

159767

result:

ok single line: '159767'

Test #28:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

286843 626622

output:

313311

result:

ok single line: '313311'

Test #29:

score: 0
Accepted
time: 0ms
memory: 3480kb

input:

923945 440219

output:

461973

result:

ok single line: '461973'

Test #30:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

256220 22730

output:

128109

result:

ok single line: '128109'

Test #31:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

390649 725869

output:

362935

result:

ok single line: '362935'

Test #32:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

463765 534305

output:

285163

result:

ok single line: '285163'

Test #33:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

689264 933608

output:

466803

result:

ok single line: '466803'

Test #34:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

862701 363796

output:

431351

result:

ok single line: '431351'

Test #35:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

839162 885596

output:

492787

result:

ok single line: '492787'

Test #36:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

482454 67235

output:

241227

result:

ok single line: '241227'

Test #37:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

455239 518642

output:

278251

result:

ok single line: '278251'

Test #38:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

464802 93196

output:

232401

result:

ok single line: '232401'

Test #39:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

382636 576284

output:

288141

result:

ok single line: '288141'

Test #40:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

325247 523826

output:

261913

result:

ok single line: '261913'

Test #41:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

747442 671690

output:

405467

result:

ok single line: '405467'

Test #42:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

784277 167877

output:

392139

result:

ok single line: '392139'

Test #43:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

699254 827375

output:

436179

result:

ok single line: '436179'

Test #44:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

630059 376838

output:

315029

result:

ok single line: '315029'

Test #45:

score: 0
Accepted
time: 0ms
memory: 3480kb

input:

715651 598212

output:

375389

result:

ok single line: '375389'

Test #46:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

788733 619114

output:

402241

result:

ok single line: '402241'

Test #47:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

167804 292068

output:

146033

result:

ok single line: '146033'

Test #48:

score: 0
Accepted
time: 0ms
memory: 3512kb

input:

781346 792491

output:

449667

result:

ok single line: '449667'

Test #49:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

999999 999999

output:

571427

result:

ok single line: '571427'

Test #50:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

1000000 1000000

output:

571429

result:

ok single line: '571429'

Extra Test:

score: 0
Extra Test Passed