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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#697797#6412. Classical Geometry Problemtassei903#WA 144ms10784kbPython31.8kb2024-11-01 15:48:332024-11-01 15:48:33

Judging History

你现在查看的是最新测评结果

  • [2024-11-01 15:48:33]
  • 评测
  • 测评结果:WA
  • 用时:144ms
  • 内存:10784kb
  • [2024-11-01 15:48:33]
  • 提交

answer


def norm(a, b, c):
    return (a**2+b**2+c**2)**0.5


eps = 10 ** -9
def solve(a, b, c):#a,b,c <= 1/2
    ans = []

    
    d = min(a, b, c)
    dd = d / (1-d)
    ans.append((1, 1, 1, dd * norm(1-a,1-b,1-c)))
    a,b,c = a - (1-a) * dd,b - (1-b) * dd,c - (1-c) * dd    
    
    dd = a / (1 - a)
    ans.append((1, 0, 0, dd * norm(1-a, b, c)))
    a, b, c = a - (1 - a) * dd, b + b * dd, c + c * dd
    #print(a, b, c)
    
    dd = b / (1 - b)
    ans.append((0, 1, 0, dd * norm(a, 1-b, c)))
    a, b, c = a + a * dd, b - (1 - b) * dd, c + c * dd
    
    
    dd = c / (1 - c)
    ans.append((0, 0, 1, dd * norm(a, b, 1-c)))
    a, b, c = a + a * dd, b + b * dd, c - (1 - c) * dd
    
    assert max(abs(a), abs(b), abs(c)) <= 10 ** -8
    return ans[::-1]

def check(ans, A,B,C):
    x,y,z = 0, 0, 0
    for r,g,b, t in ans:
        v = norm(r-x,g-y,b-z)
        x = x + (r - x) * t / v
        y = y + (g - y) * t / v
        z = z + (b - z) * t / v
        # print(x, y, z)
    # print(max(abs(x-a), abs(b-y), abs(c-z)))
    return max(abs(x-A), abs(B-y), abs(C-z)) <= 10 ** -6

m = 255

for _ in range(int(input())):
    a,b,c = map(int, input().split())
    A,B,C = a/m, b/m, c/m
    # print(A, B, C)

    flag = [0,0,0]
    ans = []
    if m - a < a:
        flag[0] = 1
        a = m - a
        ans.append((*flag, 1))
    if m - b < b:
        flag[1] = 1
        b = m - b
        ans.append((*flag, 1))
    if m - c < c:
        flag[2] = 1
        c = m - c
        ans.append((*flag, 1))
    # print(flag)
    ans += [(r^flag[0], flag[1]^g, b^flag[2], t) for r,g,b,t in solve(a/m, b/m, c/m)]
    print(len(ans))
    for r,g,b, t in ans:
        # print(r,g,b,t)
        print(r * m, g * m, b * m, t * m)
    assert check(ans, A,B,C)

Details

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Test #1:

score: 100
Accepted
time: 15ms
memory: 10640kb

input:

3
105 255 175
174 174 174
0 0 0

output:

6
0 255 0 255
0 255 255 255
0 255 0 136.0
0 0 255 0.0
255 255 255 119.0
255 0 0 0.0
7
255 0 0 255
255 255 0 255
255 255 255 255
255 255 0 0.0
255 0 255 0.0
0 255 255 0.0
0 0 0 140.29611541307906
4
0 0 255 0.0
0 255 0 0.0
255 0 0 0.0
255 255 255 0.0

result:

ok ok (3 test cases)

Test #2:

score: -100
Wrong Answer
time: 144ms
memory: 10784kb

input:

10000
250 128 13
1 245 2
88 183 138
179 69 194
153 246 33
255 119 192
233 30 108
26 208 33
53 162 189
225 130 10
202 137 121
152 198 25
49 165 180
228 56 30
74 18 14
6 115 31
168 242 206
90 238 139
44 103 60
16 21 190
229 209 68
41 171 181
39 74 73
181 96 18
234 95 70
75 174 84
101 16 44
202 249 80
...

output:

6
255 0 0 255
255 255 0 255
255 255 255 15.9375
255 0 0 124.68280998698256
0 255 0 0.0
0 0 255 7.414796018772195
5
0 255 0 255
0 255 255 1.0408163265306123
0 0 0 9.0355083344683
255 255 0 0.0
255 0 255 1.709541121196472
6
0 255 0 255
0 255 255 255
0 255 0 68.71257485029939
0 0 255 0.0
255 255 255 23...

result:

wrong answer Double parameter [name=d[3]] equals to -8.02964e-15, violates the range [0, 10000] (test case 4)