NOI.AC

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
#212656	#3827. A	chentairansz	100	69ms	1196kb	C++	388b	2024-10-20 08:59:19	2024-10-20 12:35:19

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n,sum,num;
ll getthree(ll x,ll y){
	while(min(x,y)>0){
		if(x%3+y%3>2)return 0;
		x/=3;
		y/=3;
	}
	return 1;
}
int main(){
	cin>>n;
	for(ll i=1;i<=n;i++){
		for(ll j=i;j<=n;j++){
			if((i^j)==(i+j)&&getthree(i,j)){
				sum++;
				if(i==j)num++;
			}
		}
	}
	cout<<sum*2-num<<endl;
	return 0;
}

源文件, 语言: C++

详细

小提示：点击横条可展开更详细的信息

Subtask #1:

score: 10

Accepted

Test #1:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "0"

Test #2:

score: 0

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "6"

Subtask #2:

score: 20

Accepted

Test #3:

score: 20

Accepted

time: 0ms

memory: 1192kb

input:

output:

result:

ok 1 number(s): "348"

Test #4:

score: 0

Accepted

time: 0ms

memory: 1192kb

input:

output:

result:

ok 1 number(s): "316"

Subtask #3:

score: 20

Accepted

Test #5:

score: 20

Accepted

time: 0ms

memory: 1192kb

input:

output:

result:

ok 1 number(s): "7730"

Test #6:

score: 0

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "7994"

Subtask #4:

score: 50

Accepted

Test #7:

score: 50

Accepted

time: 12ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "58626"

Test #8:

score: 0

Accepted

time: 13ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "66410"

Test #9:

score: 0

Accepted

time: 15ms

memory: 1192kb

input:

output:

result:

ok 1 number(s): "74836"

Test #10:

score: 0

Accepted

time: 15ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "73756"

Test #11:

score: 0

Accepted

time: 14ms

memory: 1196kb

input:

output:

result:

ok 1 number(s): "72308"

Extra Test:

score: 0

Extra Test Passed