QOJ.ac

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
#510271	#9158. 分数	hypeskynick^#	50	2740ms	3692kb	C++23	596b	2024-08-09 01:05:00	2024-08-09 01:05:02

Judging History

你现在查看的是最新测评结果

[2024-08-09 01:05:02]
评测

测评结果：50
用时：2740ms
内存：3692kb

查看

[2024-08-09 01:05:00]
提交

answer

// Source: https://usaco.guide/general/io

#include <bits/stdc++.h>
using namespace std;
bool valid(int x, int y){
	if(x/y==0)return valid(y,x);
	if(y<1||x<2*y)return false;
	if(y==1)return (x%2==0);
	return valid(x%(2*y),y);
}

int main() {
	//find all perfect fractions less than 1/2 and place them into
	// an array then propogate numerator and denominator to their limits
	int n,m,ans=0;
	cin >> n >> m;
	vector<pair<int,int>> perf;
	for (int i =1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(gcd(i,j)!=1)continue;
			if(valid(i,j))ans++;
		}
	}
	cout << ans << "\n";
}

源文件, 语言: C++23

詳細信息

Pretests

Pretest #1:

score: 5

Accepted

time: 1ms

memory: 3552kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Pretest #2:

score: 5

Accepted

time: 1ms

memory: 3564kb

input:

98 97

output:

result:

ok 1 number(s): "405"

Pretest #3:

score: 5

Accepted

time: 1ms

memory: 3604kb

input:

99 96

output:

result:

ok 1 number(s): "396"

Pretest #4:

score: 5

Accepted

time: 35ms

memory: 3692kb

input:

995 977

output:

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5

Accepted

time: 35ms

memory: 3628kb

input:

991 990

output:

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5

Accepted

time: 34ms

memory: 3608kb

input:

976 968

output:

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5

Accepted

time: 2581ms

memory: 3616kb

input:

7602 7864

output:

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5

Accepted

time: 2675ms

memory: 3612kb

input:

7959 7735

output:

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5

Accepted

time: 2691ms

memory: 3544kb

input:

7878 7863

output:

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5

Accepted

time: 2580ms

memory: 3544kb

input:

7788 7658

output:

result:

ok 1 number(s): "215323"

Pretest #11:

score: 0

Time Limit Exceeded

input:

95399 99767

output:

result:

Pretest #12:

score: 0

Time Limit Exceeded

input:

98051 99642

output:

result:

Pretest #13:

score: 0

Time Limit Exceeded

input:

95624 96007

output:

result:

Pretest #14:

score: 0

Time Limit Exceeded

input:

99208 98047

output:

result:

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: 3536kb

input:

100 99

output:

result:

ok 1 number(s): "408"

Test #3:

score: 5

Accepted

time: 0ms

memory: 3540kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Test #4:

score: 5

Accepted

time: 32ms

memory: 3604kb

input:

963 951

output:

result:

ok 1 number(s): "10634"

Test #5:

score: 5

Accepted

time: 33ms

memory: 3600kb

input:

958 974

output:

result:

ok 1 number(s): "10795"

Test #6:

score: 5

Accepted

time: 34ms

memory: 3632kb

input:

966 990

output:

result:

ok 1 number(s): "11003"

Test #7:

score: 5

Accepted

time: 2740ms

memory: 3536kb

input:

7958 7947

output:

result:

ok 1 number(s): "224482"

Test #8:

score: 5

Accepted

time: 2545ms

memory: 3636kb

input:

7623 7730

output:

result:

ok 1 number(s): "213444"

Test #9:

score: 5

Accepted

time: 2652ms

memory: 3564kb

input:

7845 7783

output:

result:

ok 1 number(s): "218916"

Test #10:

score: 5

Accepted

time: 2656ms

memory: 3608kb

input:

7881 7773

output:

result:

ok 1 number(s): "219451"

Test #11:

score: 0

Time Limit Exceeded

input:

99414 98698

output:

result:

Test #12:

score: 0

Time Limit Exceeded

input:

98249 96148

output:

result:

Test #13:

score: 0

Time Limit Exceeded

input:

99003 96832

output:

result:

Test #14:

score: 0

Time Limit Exceeded

input:

98266 96030

output:

result:

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