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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
#212664#3827. Axpjqz1002270ms1208kbC++709b2024-10-20 09:07:442024-10-20 12:35:46

answer

#include <bits/stdc++.h>
using namespace std;
int n,cnt=0;
bool pd(int a,int b){
	int q=a,w=b;
	int aa[10005],bb[10005],js=0,js2=0;
	while(a!=0){
		aa[js++]=a%2;
		a/=2;
	}
	while(b!=0){
		bb[js2++]=b%2;
		b/=2;
	}
	for(int i = 0;i <min(js,js2);i++){
		if(aa[i]+bb[i]>=2){
			return false;
		}
	}
	js=0,js2=0;
	a=q,b=w;
	while(a!=0){
		aa[js++]=a%3;
		a/=3;
	}
	while(b!=0){
		bb[js2++]=b%3;
		b/=3;
	}
	for(int i = 0;i <min(js,js2);i++){
		if(aa[i]+bb[i]>=3){
			return false;
		}
	}
	return true;
}
int main(){
	cin >> n;
	for(int i = 1;i <=n;i++){
		for(int j = i+1;j <=n;j++){
			if(pd(i,j)==true){
				cnt++;
			}
		}
	}
	cout << cnt*2 << endl;
	return 0;
}

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: 1204kb

input:

2

output:

0

result:

ok 1 number(s): "0"

Test #2:

score: 0
Accepted
time: 0ms
memory: 1204kb

input:

8

output:

6

result:

ok 1 number(s): "6"

Subtask #2:

score: 20
Accepted

Test #3:

score: 20
Accepted
time: 0ms
memory: 1208kb

input:

92

output:

348

result:

ok 1 number(s): "348"

Test #4:

score: 0
Accepted
time: 0ms
memory: 1204kb

input:

85

output:

316

result:

ok 1 number(s): "316"

Subtask #3:

score: 20
Accepted

Test #5:

score: 20
Accepted
time: 13ms
memory: 1204kb

input:

939

output:

7730

result:

ok 1 number(s): "7730"

Test #6:

score: 0
Accepted
time: 17ms
memory: 1208kb

input:

994

output:

7994

result:

ok 1 number(s): "7994"

Subtask #4:

score: 50
Accepted

Test #7:

score: 50
Accepted
time: 381ms
memory: 1204kb

input:

4375

output:

58626

result:

ok 1 number(s): "58626"

Test #8:

score: 0
Accepted
time: 415ms
memory: 1204kb

input:

4594

output:

66410

result:

ok 1 number(s): "66410"

Test #9:

score: 0
Accepted
time: 505ms
memory: 1204kb

input:

4989

output:

74836

result:

ok 1 number(s): "74836"

Test #10:

score: 0
Accepted
time: 476ms
memory: 1204kb

input:

4877

output:

73756

result:

ok 1 number(s): "73756"

Test #11:

score: 0
Accepted
time: 463ms
memory: 1204kb

input:

4790

output:

72308

result:

ok 1 number(s): "72308"

Extra Test:

score: 0
Extra Test Passed