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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#270168#151. Nice Lineszhouhuanyi100 ✓4ms3764kbC++232.2kb2023-11-30 16:05:462023-11-30 16:05:48

Judging History

你现在查看的是最新测评结果

  • [2023-11-30 16:05:48]
  • 评测
  • 测评结果:100
  • 用时:4ms
  • 内存:3764kb
  • [2023-11-30 16:05:46]
  • 提交

answer

#include <iostream>
#include <stdio.h>
#include <cmath>
#include <vector>
#include <cassert>
#include "nice_lines.h"
#define Base 10000
#define N 100
#define S 30000
#define Maxn 300010000
#define sz 20
#define eps 1e-1
#define Eps 1e-3
#define EPS 1e-9
using namespace std;
struct reads
{
    long long num;
    __float128 data;
};
reads tong[N+1];
int length;
struct rds
{
    __float128 x,y;
};
rds get_lines(__float128 l,__float128 r,__float128 d1,__float128 d2)
{
    __float128 k=(d2-d1)/(r-l);
    return (rds){k,d1-l*k};
}
__float128 get_cross(rds a,rds b)
{
    return (a.y-b.y)/(b.x-a.x);
}
__float128 __float128_abs(__float128 x)
{
    return (x>=0)?x:-x;
}
__float128 __float128_sqrt(const __float128 x)
{
    __float128 l=0,r=x,mid;
    for (int i=0;i<100;++i)
    {
	mid=(l+r)/2;
	if (mid*mid<=x) l=mid;
	else r=mid;
    }
    return mid;
}
__float128 __float128_floor(__float128 x)
{
    return floor((long double)(x));
}
__float128 __float128_ceil(__float128 x)
{
    return ceil((long double)(x));
}
void get_solve(__float128 l,__float128 r,rds A,rds B)
{
    __float128 mid=get_cross(A,B),d=query(S,mid);
    if (__float128_abs(mid*A.x+A.y-d)<eps)
    {
	if (!length||__float128_abs(tong[length].data-A.x)>EPS) tong[++length]=(reads){(long long)(__float128_floor(l+0.5)),A.x};
	if (!length||__float128_abs(tong[length].data-B.x)>EPS) tong[++length]=(reads){(long long)(__float128_floor(mid+0.5)),B.x};
	return;
    }
    rds x;
    x=get_lines(mid-sz,mid,query(S,mid-sz),d),get_solve(l,mid,A,x),get_solve(mid,r,x,B);
    return;
}
void solve(int subtask_id, int sn)
{
    vector<int>a;
    vector<int>b;
    __float128 d;
    int A;
    rds sa,sb;
    sa=get_lines(-Maxn,-Maxn+sz,query(S,-Maxn),query(S,-Maxn+sz));
    sb=get_lines(Maxn-sz,Maxn,query(S,Maxn-sz),query(S,Maxn));
    get_solve(-Maxn,Maxn,sa,sb);
    for (int i=2;i<=length;++i)
    {
	d=2.0/(tong[i].data-tong[i-1].data),A=__float128_floor(__float128_sqrt(d*d-1+Eps)+0.5);
	if (tong[i].num>=0) a.push_back(A),b.push_back(tong[i].num-A*S);
	else a.push_back(-A),b.push_back(tong[i].num+A*S);
    }
    the_lines_are(a,b);
    return;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 11
Accepted

Test #1:

score: 11
Accepted
time: 0ms
memory: 3668kb

input:

1 1
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output:

1
30000.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -300009980.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #2:

score: 11
Accepted
time: 1ms
memory: 3632kb

input:

1 1
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output:

1
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1
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result:

points 1.0 points  1.0 correct

Test #3:

score: 11
Accepted
time: 0ms
memory: 3720kb

input:

1 1
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #4:

score: 11
Accepted
time: 0ms
memory: 3652kb

input:

1 1
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Subtask #2:

score: 13
Accepted

Test #5:

score: 13
Accepted
time: 0ms
memory: 3756kb

input:

2 2
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output:

1
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1
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result:

points 1.0 points  1.0 correct

Test #6:

score: 13
Accepted
time: 1ms
memory: 3668kb

input:

2 2
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output:

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1
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result:

points 1.0 points  1.0 correct

Test #7:

score: 13
Accepted
time: 1ms
memory: 3708kb

input:

2 2
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output:

1
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1
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result:

points 1.0 points  1.0 correct

Test #8:

score: 13
Accepted
time: 1ms
memory: 3676kb

input:

2 2
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output:

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1
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result:

points 1.0 points  1.0 correct

Subtask #3:

score: 7
Accepted

Test #9:

score: 7
Accepted
time: 1ms
memory: 3652kb

input:

3 3
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output:

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1
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result:

points 1.0 points  1.0 correct

Test #10:

score: 7
Accepted
time: 1ms
memory: 3700kb

input:

3 3
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output:

1
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1
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result:

points 1.0 points  1.0 correct

Test #11:

score: 7
Accepted
time: 1ms
memory: 3664kb

input:

3 3
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output:

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1
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result:

points 1.0 points  1.0 correct

Test #12:

score: 7
Accepted
time: 1ms
memory: 3764kb

input:

3 3
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output:

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1
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result:

points 1.0 points  1.0 correct

Subtask #4:

score: 19
Accepted

Test #13:

score: 19
Accepted
time: 4ms
memory: 3712kb

input:

4 100
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output:

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1
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result:

points 1.0 points  1.0 correct

Test #14:

score: 19
Accepted
time: 4ms
memory: 3724kb

input:

4 100
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output:

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1
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result:

points 1.0 points  1.0 correct

Test #15:

score: 19
Accepted
time: 0ms
memory: 3656kb

input:

4 100
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output:

1
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1
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result:

points 1.0 points  1.0 correct

Test #16:

score: 19
Accepted
time: 0ms
memory: 3676kb

input:

4 100
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output:

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result:

points 1.0 points  1.0 correct

Subtask #5:

score: 23
Accepted

Test #17:

score: 23
Accepted
time: 2ms
memory: 3656kb

input:

5 30
2801711.3218767737148482410702854394912719726562500000000000000000000000000000000000000000000000000000000000
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output:

1
30000.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -300009980.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #18:

score: 23
Accepted
time: 1ms
memory: 3712kb

input:

5 30
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #19:

score: 23
Accepted
time: 1ms
memory: 3696kb

input:

5 30
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #20:

score: 23
Accepted
time: 2ms
memory: 3660kb

input:

5 30
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Subtask #6:

score: 27
Accepted

Test #21:

score: 27
Accepted
time: 4ms
memory: 3764kb

input:

6 100
16731168.2688219623896657139994204044342041015625000000000000000000000000000000000000000000000000000000000000
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output:

1
30000.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -300009980.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #22:

score: 27
Accepted
time: 4ms
memory: 3712kb

input:

6 100
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct

Test #23:

score: 27
Accepted
time: 0ms
memory: 3716kb

input:

6 100
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output:

1
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1
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result:

points 1.0 points  1.0 correct

Test #24:

score: 27
Accepted
time: 4ms
memory: 3668kb

input:

6 100
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output:

1
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1
30000.00000000000000000000000000000000000000000000000000000000000000000000000...

result:

points 1.0 points  1.0 correct