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QOJ
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. Lake | ucup-team2186# | AC ✓ | 0ms | 3824kb | C++14 | 2.4kb | 2023-10-28 10:24:26 | 2023-10-28 10:24:26 |
Judging History
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