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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
#493125	#9158. 分数	C1942huangjiaxu	100 ✓	2686ms	3948kb	C++14	612b	2024-07-26 19:45:13	2024-07-26 19:45:15

Judging History

你现在查看的是最新测评结果

[2024-07-26 19:45:15]
评测

测评结果：100
用时：2686ms
内存：3948kb

查看

[2024-07-26 19:45:13]
提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,m;
long long ans;
void dfs1(int a,int b,int c,int d,int v){
	ans+=max(0,min(!a?m:(n-b)/a,(m-d)/c)-v+1)+max(0,(n-d)/c-v+1);
	for(int u=1;;++u){
		int A=2ll*c*u+a,B=2ll*d*u+b;
		if(1ll*A*max(v,u+1)+B>m)break;
		dfs1(c,d,A,B,max(v,u+1));
	}
}
void dfs2(int a,int b,int v){
	for(int u=1;;++u){
		int c=2*u*b+a;
		if(2ll*c*max(v,u)+b>m)break;
		dfs2(b,c,max(v,u));
	}
	dfs1(0,b,2*b,a,v);
}
int main(){
	scanf("%d%d",&n,&m);
	if(n>m)swap(n,m);
	dfs1(0,1,2,0,1);
	for(int i=1;4*i*i+1<=m;++i)dfs2(1,2*i,i);
	printf("%lld\n",ans);
	return 0;
}

源文件, 语言: C++14

详细

Pretests

Pretest #1:

score: 5

Accepted

time: 0ms

memory: 3856kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Pretest #2:

score: 5

Accepted

time: 0ms

memory: 3808kb

input:

98 97

output:

result:

ok 1 number(s): "405"

Pretest #3:

score: 5

Accepted

time: 0ms

memory: 3948kb

input:

99 96

output:

result:

ok 1 number(s): "396"

Pretest #4:

score: 5

Accepted

time: 0ms

memory: 3872kb

input:

995 977

output:

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5

Accepted

time: 0ms

memory: 3868kb

input:

991 990

output:

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5

Accepted

time: 0ms

memory: 3948kb

input:

976 968

output:

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5

Accepted

time: 0ms

memory: 3944kb

input:

7602 7864

output:

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5

Accepted

time: 0ms

memory: 3788kb

input:

7959 7735

output:

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5

Accepted

time: 0ms

memory: 3864kb

input:

7878 7863

output:

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5

Accepted

time: 0ms

memory: 3860kb

input:

7788 7658

output:

result:

ok 1 number(s): "215323"

Pretest #11:

score: 5

Accepted

time: 2ms

memory: 3756kb

input:

95399 99767

output:

result:

ok 1 number(s): "8285295"

Pretest #12:

score: 5

Accepted

time: 2ms

memory: 3836kb

input:

98051 99642

output:

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5

Accepted

time: 2ms

memory: 3944kb

input:

95624 96007

output:

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5

Accepted

time: 2ms

memory: 3784kb

input:

99208 98047

output:

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 5

Accepted

time: 30ms

memory: 3916kb

input:

997417 967722

output:

229917323

result:

ok 1 number(s): "229917323"

Pretest #16:

score: 5

Accepted

time: 30ms

memory: 3872kb

input:

987807 956529

output:

226426912

result:

ok 1 number(s): "226426912"

Pretest #17:

score: 5

Accepted

time: 30ms

memory: 3812kb

input:

971654 984345

output:

228363805

result:

ok 1 number(s): "228363805"

Pretest #18:

score: 5

Accepted

time: 473ms

memory: 3868kb

input:

7892259 7983727

output:

4647501224

result:

ok 1 number(s): "4647501224"

Pretest #19:

score: 5

Accepted

time: 2686ms

memory: 3944kb

input:

7937869 29796968

output:

15197555613

result:

ok 1 number(s): "15197555613"

Pretest #20:

score: 5

Accepted

time: 2669ms

memory: 3940kb

input:

29717543 29510173

output:

30904211576

result:

ok 1 number(s): "30904211576"

Final Tests

Test #1:

score: 5

Accepted

time: 0ms

memory: 3948kb

input:

96 98

output:

result:

ok 1 number(s): "396"

Test #2:

score: 5

Accepted

time: 0ms

memory: 3868kb

input:

100 99

output:

result:

ok 1 number(s): "408"

Test #3:

score: 5

Accepted

time: 0ms

memory: 3880kb

input:

99 99

output:

result:

ok 1 number(s): "406"

Test #4:

score: 5

Accepted

time: 0ms

memory: 3784kb

input:

963 951

output:

result:

ok 1 number(s): "10634"

Test #5:

score: 5

Accepted

time: 0ms

memory: 3804kb

input:

958 974

output:

result:

ok 1 number(s): "10795"

Test #6:

score: 5

Accepted

time: 0ms

memory: 3736kb

input:

966 990

output:

result:

ok 1 number(s): "11003"

Test #7:

score: 5

Accepted

time: 0ms

memory: 3868kb

input:

7958 7947

output:

result:

ok 1 number(s): "224482"

Test #8:

score: 5

Accepted

time: 0ms

memory: 3788kb

input:

7623 7730

output:

result:

ok 1 number(s): "213444"

Test #9:

score: 5

Accepted

time: 0ms

memory: 3788kb

input:

7845 7783

output:

result:

ok 1 number(s): "218916"

Test #10:

score: 5

Accepted

time: 0ms

memory: 3756kb

input:

7881 7773

output:

result:

ok 1 number(s): "219451"

Test #11:

score: 5

Accepted

time: 2ms

memory: 3884kb

input:

99414 98698

output:

result:

ok 1 number(s): "8465217"

Test #12:

score: 5

Accepted

time: 0ms

memory: 3860kb

input:

98249 96148

output:

result:

ok 1 number(s): "8237486"

Test #13:

score: 5

Accepted

time: 2ms

memory: 3800kb

input:

99003 96832

output:

result:

ok 1 number(s): "8324931"

Test #14:

score: 5

Accepted

time: 2ms

memory: 3868kb

input:

98266 96030

output:

result:

ok 1 number(s): "8231065"

Test #15:

score: 5

Accepted

time: 29ms

memory: 3864kb

input:

968207 958885

output:

223522215

result:

ok 1 number(s): "223522215"

Test #16:

score: 5

Accepted

time: 30ms

memory: 3856kb

input:

959846 998397

output:

228770873

result:

ok 1 number(s): "228770873"

Test #17:

score: 5

Accepted

time: 29ms

memory: 3940kb

input:

965821 972280

output:

225359210

result:

ok 1 number(s): "225359210"

Test #18:

score: 5

Accepted

time: 468ms

memory: 3948kb

input:

7855098 7962479

output:

4622947400

result:

ok 1 number(s): "4622947400"

Test #19:

score: 5

Accepted

time: 2672ms

memory: 3804kb

input:

7841076 29648718

output:

15040798710

result:

ok 1 number(s): "15040798710"

Test #20:

score: 5

Accepted

time: 2636ms

memory: 3756kb

input:

29365129 29012208

output:

30267839959

result:

ok 1 number(s): "30267839959"

Extra Test:

score: 0

Extra Test Passed