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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
#498537	#9158. 分数	E1_de5truct0r	70	3459ms	369952kb	C++14	814b	2024-07-30 15:54:54	2024-07-30 15:54:59

Judging History

你现在查看的是最新测评结果

[2024-07-30 15:54:59]
评测

测评结果：70
用时：3459ms
内存：369952kb

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[2024-07-30 15:54:54]
提交

answer

#include <bits/stdc++.h>
#define ull unsigned long long
using namespace std;

ull p=998244353;
unordered_map<ull,int> book;
int n,m,sum=0;

inline ull h(pair<int,int> x){
	return (ull)x.first*p+x.second;
}

bool dfs(int x,int y){
	if(x>max(n,m) || y>max(n,m)) return 1;
	if(x<2*y && y<2*x) return 0;
	if(book[h(make_pair(x,y))]) return book[h(make_pair(x,y))]-1;
//	cout<<x<<' '<<y<<'\n';
	bool res=1;
	book[h(make_pair(x,y))]=2;
	res&=dfs(y,x);
	if(!res) return (book[h(make_pair(x,y))]=1)-1;
	res&=dfs(x+2*y,y);
	if(!res) return (book[h(make_pair(x,y))]=1)-1;
	if(x>2*y) res&=dfs(x-2*y,y);
	sum+=(res && x<=n && y<=m);
	return (book[h(make_pair(x,y))]=res+1)-1;
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	cin>>n>>m;
	n=dfs(1,2);
	cout<<sum;
	return 0;
}

源文件, 语言: C++14

详细

Pretests

Pretest #1:

score: 5

Accepted

time: 0ms

memory: 3620kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Pretest #2:

score: 5

Accepted

time: 0ms

memory: 3552kb

input:

98 97

output:

result:

ok 1 number(s): "405"

Pretest #3:

score: 5

Accepted

time: 0ms

memory: 3840kb

input:

99 96

output:

result:

ok 1 number(s): "396"

Pretest #4:

score: 5

Accepted

time: 1ms

memory: 3964kb

input:

995 977

output:

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5

Accepted

time: 0ms

memory: 3964kb

input:

991 990

output:

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5

Accepted

time: 2ms

memory: 3964kb

input:

976 968

output:

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5

Accepted

time: 30ms

memory: 13180kb

input:

7602 7864

output:

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5

Accepted

time: 30ms

memory: 13296kb

input:

7959 7735

output:

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5

Accepted

time: 26ms

memory: 13028kb

input:

7878 7863

output:

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5

Accepted

time: 30ms

memory: 13108kb

input:

7788 7658

output:

result:

ok 1 number(s): "215323"

Pretest #11:

score: 5

Accepted

time: 3459ms

memory: 369952kb

input:

95399 99767

output:

result:

ok 1 number(s): "8285295"

Pretest #12:

score: 5

Accepted

time: 3453ms

memory: 369340kb

input:

98051 99642

output:

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5

Accepted

time: 3289ms

memory: 355240kb

input:

95624 96007

output:

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5

Accepted

time: 3419ms

memory: 367456kb

input:

99208 98047

output:

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 0

Time Limit Exceeded

input:

997417 967722

output:

result:

Pretest #16:

score: 0

Time Limit Exceeded

input:

987807 956529

output:

result:

Pretest #17:

score: 0

Time Limit Exceeded

input:

971654 984345

output:

result:

Pretest #18:

score: 0

Time Limit Exceeded

input:

7892259 7983727

output:

result:

Pretest #19:

score: 0

Time Limit Exceeded

input:

7937869 29796968

output:

result:

Pretest #20:

score: 0

Time Limit Exceeded

input:

29717543 29510173

output:

result:

Final Tests

Test #1:

score: 5

Accepted

time: 0ms

memory: 3540kb

input:

96 98

output:

result:

ok 1 number(s): "396"

Test #2:

score: 5

Accepted

time: 0ms

memory: 3756kb

input:

100 99

output:

result:

ok 1 number(s): "408"

Test #3:

score: 5

Accepted

time: 0ms

memory: 3536kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Test #4:

score: 5

Accepted

time: 1ms

memory: 4048kb

input:

963 951

output:

result:

ok 1 number(s): "10634"

Test #5:

score: 5

Accepted

time: 1ms

memory: 4248kb

input:

958 974

output:

result:

ok 1 number(s): "10795"

Test #6:

score: 5

Accepted

time: 1ms

memory: 3912kb

input:

966 990

output:

result:

ok 1 number(s): "11003"

Test #7:

score: 5

Accepted

time: 23ms

memory: 13292kb

input:

7958 7947

output:

result:

ok 1 number(s): "224482"

Test #8:

score: 5

Accepted

time: 33ms

memory: 13024kb

input:

7623 7730

output:

result:

ok 1 number(s): "213444"

Test #9:

score: 5

Accepted

time: 33ms

memory: 13020kb

input:

7845 7783

output:

result:

ok 1 number(s): "218916"

Test #10:

score: 5

Accepted

time: 30ms

memory: 13112kb

input:

7881 7773

output:

result:

ok 1 number(s): "219451"

Test #11:

score: 5

Accepted

time: 3440ms

memory: 368276kb

input:

99414 98698

output:

result:

ok 1 number(s): "8465217"

Test #12:

score: 5

Accepted

time: 3367ms

memory: 363816kb

input:

98249 96148

output:

result:

ok 1 number(s): "8237486"

Test #13:

score: 5

Accepted

time: 3382ms

memory: 366592kb

input:

99003 96832

output:

result:

ok 1 number(s): "8324931"

Test #14:

score: 5

Accepted

time: 3360ms

memory: 363944kb

input:

98266 96030

output:

result:

ok 1 number(s): "8231065"

Test #15:

score: 0

Time Limit Exceeded

input:

968207 958885

output:

result:

Test #16:

score: 0

Time Limit Exceeded

input:

959846 998397

output:

result:

Test #17:

score: 0

Time Limit Exceeded

input:

965821 972280

output:

result:

Test #18:

score: 0

Time Limit Exceeded

input:

7855098 7962479

output:

result:

Test #19:

score: 0

Time Limit Exceeded

input:

7841076 29648718

output:

result:

Test #20:

score: 0

Time Limit Exceeded

input:

29365129 29012208