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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
#510304	#9158. 分数	hypeskynick^#	85	970ms	19204kb	C++23	731b	2024-08-09 01:34:11	2024-08-09 01:34:14

Judging History

你现在查看的是最新测评结果

[2024-08-09 01:34:14]
评测

测评结果：85
用时：970ms
内存：19204kb

查看

[2024-08-09 01:34:11]
提交

answer

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

#include <bits/stdc++.h>
using namespace std;
int n,m,ans=0;
void dfs(int x, int y, bool flag){
	//if(y==1){ans+=(x%2==0);return;}
	if(max(x,y)>max(n,m))return;	
	if(x<=n&&y<=m)ans++;
	dfs(x+y*2,y,true);
	if(flag)dfs(y,x,false);
}
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() {
	//just brute force simulation
	cin >> n >> m;
	int res=0;
	//assert(n*m<=1e8);
	// for (int i =1;i<=n;i++){
	// 	for(int j=1;j<=m;j++){
	// 		if(gcd(i,j)!=1)continue;
	// 		if(valid(i,j))res++;
	// 	}
	// }
	dfs(1,2, true);
	//cout << res <<"\n";
	cout << ans << "\n";
}

源文件, 语言: C++23

詳細信息

Pretests

Pretest #1:

score: 5

Accepted

time: 0ms

memory: 3532kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Pretest #2:

score: 5

Accepted

time: 0ms

memory: 3692kb

input:

98 97

output:

result:

ok 1 number(s): "405"

Pretest #3:

score: 5

Accepted

time: 0ms

memory: 3596kb

input:

99 96

output:

result:

ok 1 number(s): "396"

Pretest #4:

score: 5

Accepted

time: 0ms

memory: 3680kb

input:

995 977

output:

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5

Accepted

time: 0ms

memory: 3608kb

input:

991 990

output:

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5

Accepted

time: 0ms

memory: 3696kb

input:

976 968

output:

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5

Accepted

time: 1ms

memory: 3740kb

input:

7602 7864

output:

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5

Accepted

time: 1ms

memory: 3664kb

input:

7959 7735

output:

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5

Accepted

time: 1ms

memory: 3676kb

input:

7878 7863

output:

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5

Accepted

time: 1ms

memory: 3676kb

input:

7788 7658

output:

result:

ok 1 number(s): "215323"

Pretest #11:

score: 5

Accepted

time: 36ms

memory: 5084kb

input:

95399 99767

output:

result:

ok 1 number(s): "8285295"

Pretest #12:

score: 5

Accepted

time: 36ms

memory: 5160kb

input:

98051 99642

output:

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5

Accepted

time: 33ms

memory: 5184kb

input:

95624 96007

output:

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5

Accepted

time: 35ms

memory: 5104kb

input:

99208 98047

output:

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 5

Accepted

time: 970ms

memory: 19192kb

input:

997417 967722

output:

229917323

result:

ok 1 number(s): "229917323"

Pretest #16:

score: 5

Accepted

time: 949ms

memory: 18988kb

input:

987807 956529

output:

226426912

result:

ok 1 number(s): "226426912"

Pretest #17:

score: 5

Accepted

time: 939ms

memory: 19060kb

input:

971654 984345

output:

228363805

result:

ok 1 number(s): "228363805"

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: 3616kb

input:

96 98

output:

result:

ok 1 number(s): "396"

Test #2:

score: 5

Accepted

time: 0ms

memory: 3668kb

input:

100 99

output:

result:

ok 1 number(s): "408"

Test #3:

score: 5

Accepted

time: 0ms

memory: 3616kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Test #4:

score: 5

Accepted

time: 0ms

memory: 3620kb

input:

963 951

output:

result:

ok 1 number(s): "10634"

Test #5:

score: 5

Accepted

time: 0ms

memory: 3552kb

input:

958 974

output:

result:

ok 1 number(s): "10795"

Test #6:

score: 5

Accepted

time: 0ms

memory: 3616kb

input:

966 990

output:

result:

ok 1 number(s): "11003"

Test #7:

score: 5

Accepted

time: 1ms

memory: 3676kb

input:

7958 7947

output:

result:

ok 1 number(s): "224482"

Test #8:

score: 5

Accepted

time: 1ms

memory: 3800kb

input:

7623 7730

output:

result:

ok 1 number(s): "213444"

Test #9:

score: 5

Accepted

time: 1ms

memory: 3720kb

input:

7845 7783

output:

result:

ok 1 number(s): "218916"

Test #10:

score: 5

Accepted

time: 1ms

memory: 3680kb

input:

7881 7773

output:

result:

ok 1 number(s): "219451"

Test #11:

score: 5

Accepted

time: 29ms

memory: 5092kb

input:

99414 98698

output:

result:

ok 1 number(s): "8465217"

Test #12:

score: 5

Accepted

time: 31ms

memory: 5068kb

input:

98249 96148

output:

result:

ok 1 number(s): "8237486"

Test #13:

score: 5

Accepted

time: 36ms

memory: 5172kb

input:

99003 96832

output:

result:

ok 1 number(s): "8324931"

Test #14:

score: 5

Accepted

time: 36ms

memory: 5196kb

input:

98266 96030

output:

result:

ok 1 number(s): "8231065"

Test #15:

score: 5

Accepted

time: 904ms

memory: 18792kb

input:

968207 958885

output:

223522215

result:

ok 1 number(s): "223522215"

Test #16:

score: 5

Accepted

time: 960ms

memory: 19204kb

input:

959846 998397

output:

228770873

result:

ok 1 number(s): "228770873"

Test #17:

score: 5

Accepted

time: 912ms

memory: 18748kb

input:

965821 972280

output:

225359210

result:

ok 1 number(s): "225359210"

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