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#26233#8. 小w、小j和小zxzy1004564ms2772kbC++11676b2018-10-19 20:34:432018-10-19 20:34:45

answer
源文件, 语言: C++11

详细

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Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 1ms
memory: 1252kb

input:

20 10
-715624307 -28629151
957936621 17210368
-753657459 59049
-40974960 5153632
-402454312 -3450252...

output:

11.3999304911

result:

ok answer is 11.3999000000

Test #2:

score: 0
Accepted
time: 0ms
memory: 1256kb

input:

20 7
-715624307 -310
957936621 3
-753657459 1
-40974960 5
-402454312 -7424
874144191 -4
-227392025 7...

output:

5850568.4999995101

result:

ok answer is 5850568.5000000000

Test #3:

score: 0
Accepted
time: 0ms
memory: 1256kb

input:

20 4
-715624307 -1
957936621 3
-753657459 6
-40974960 1
-402454312 -1
874144191 -2
-227392025 9
-808...

output:

3926259.9999995017

result:

ok answer is 3926260.0000000000

Test #4:

score: 0
Accepted
time: 0ms
memory: 1256kb

input:

20 6
-715624307 -1
957936621 3
-753657459 1
-40974960 1
-402454312 -119
874144191 -1
-227392025 359
...

output:

9635550.8333332147

result:

ok answer is 9635550.8333000001

Test #5:

score: 0
Accepted
time: 0ms
memory: 1196kb

input:

20 10
-715624307 740210959
-955556582 -615695756
-24759231 771301784
-80855559 560021841
-892686343 ...

output:

Forever

result:

ok OK, forever!

Subtask #2:

score: 20
Accepted

Test #6:

score: 20
Accepted
time: 0ms
memory: 1252kb

input:

200 10
-487405787 3200000
725249085 28629151
-671026855 -4084101
38046635 45435424
-188495128 643634...

output:

0.0039310466

result:

ok answer is 0.0039000000

Test #7:

score: 0
Accepted
time: 0ms
memory: 1248kb

input:

200 10
-487405787 1
725249085 65536
-671026855 -100000000
38046635 1679616
-188495128 6561
-73172885...

output:

0.0041856631

result:

ok answer is 0.0041000000

Test #8:

score: 0
Accepted
time: 0ms
memory: 1252kb

input:

200 10
-487405787 3
725249085 2
-671026855 -6
38046635 5
-188495128 14
-731728859 12
-331220744 2
31...

output:

14398.5188677551

result:

ok answer is 14398.5188000000

Test #9:

score: 0
Accepted
time: 0ms
memory: 1252kb

input:

200 10
-487405787 56
725249085 2
-671026855 -8
38046635 1
-188495128 252
-731728859 28
-331220744 2
...

output:

8320.3684207079

result:

ok answer is 8320.3684000000

Test #10:

score: 0
Accepted
time: 0ms
memory: 1256kb

input:

200 10
-487405787 11
725249085 8
-671026855 -1
38046635 1
-188495128 125
-731728859 106
-331220744 4...

output:

543.5186780035

result:

ok answer is 543.5186000000

Test #11:

score: 0
Accepted
time: 0ms
memory: 1192kb

input:

200 10
-584283703 -467650291
-389608337 -287739809
-372147316 -257836606
175915600 328991856
7355243...

output:

Forever

result:

ok OK, forever!

Subtask #3:

score: 15
Accepted

Test #12:

score: 15
Accepted
time: 0ms
memory: 1248kb

input:

200 50
-487405787 3200000
725249085 28629151
-671026855 -4084101
38046635 45435424
-188495128 643634...

output:

0.0359190256

result:

ok answer is 0.0359000000

Test #13:

score: 0
Accepted
time: 0ms
memory: 1252kb

input:

200 100
-487405787 690807104
725249085 2685619
-671026855 -18399744
38046635 862801408
-188495128 54...

output:

0.1287513086

result:

ok answer is 0.1288000000

Test #14:

score: 0
Accepted
time: 0ms
memory: 1252kb

input:

200 90
-487405787 3
725249085 2
-671026855 -6
38046635 5
-188495128 14
-731728859 12
-331220744 2
31...

output:

3184277.2307689050

result:

ok answer is 3184277.2307000002

Test #15:

score: 0
Accepted
time: 1ms
memory: 1252kb

input:

200 60
-487405787 56
725249085 2
-671026855 -8
38046635 1
-188495128 252
-731728859 28
-331220744 2
...

output:

572916.7619044114

result:

ok answer is 572916.7619000000

Test #16:

score: 0
Accepted
time: 0ms
memory: 1256kb

input:

200 30
-487405787 11
725249085 8
-671026855 -1
38046635 1
-188495128 125
-731728859 106
-331220744 4...

output:

7362.4505927293

result:

ok answer is 7362.4506000000

Test #17:

score: 0
Accepted
time: 0ms
memory: 1196kb

input:

200 75
-584283703 -510093529
-389608337 -734253121
-372147316 -257836606
175915600 -355171217
735524...

output:

Forever

result:

ok OK, forever!

Subtask #4:

score: 15
Accepted

Test #18:

score: 15
Accepted
time: 5ms
memory: 1276kb

input:

2000 10
882856800 -387420489
866607093 -134217728
481381898 1
-488180557 1953125
-783185249 -19683
-...

output:

0.0001667286

result:

ok answer is 0.0001000000

Test #19:

score: 0
Accepted
time: 3ms
memory: 1276kb

input:

2000 10
882856800 -177147
866607093 -48828125
481381898 1
-488180557 48828125
-783185249 -362797056
...

output:

0.0001130911

result:

ok answer is 0.0001000000

Test #20:

score: 0
Accepted
time: 6ms
memory: 1272kb

input:

2000 10
882856800 -1
866607093 -396
481381898 21
-488180557 6
-783185249 -10
-816111307 -33761
99248...

output:

2.6236708539

result:

ok answer is 2.6237000000

Test #21:

score: 0
Accepted
time: 7ms
memory: 1280kb

input:

2000 10
882856800 -3
866607093 -2
481381898 12
-488180557 8639109
-783185249 -12
-816111307 -96
9924...

output:

0.0008284731

result:

ok answer is 0.0008000000

Test #22:

score: 0
Accepted
time: 7ms
memory: 1280kb

input:

2000 10
882856800 -1
866607093 -10
481381898 406927
-488180557 1
-783185249 -1483
-816111307 -8
9924...

output:

0.0002843433

result:

ok answer is 0.0003000000

Test #23:

score: 0
Accepted
time: 3ms
memory: 1224kb

input:

2000 10
784172079 808971860
81381899 71917076
-712636352 -738530531
-622770179 -640667385
119667134 ...

output:

Forever

result:

ok OK, forever!

Subtask #5:

score: 20
Accepted

Test #24:

score: 20
Accepted
time: 7ms
memory: 1280kb

input:

2000 200
882856800 -177147
866607093 -48828125
481381898 1
-488180557 48828125
-783185249 -362797056...

output:

0.0024395366

result:

ok answer is 0.0024000000

Test #25:

score: 0
Accepted
time: 8ms
memory: 1272kb

input:

2000 500
882856800 -46656
866607093 -1000000
481381898 64000000
-488180557 481890304
-783185249 -466...

output:

0.0055724831

result:

ok answer is 0.0056000000

Test #26:

score: 0
Accepted
time: 9ms
memory: 1272kb

input:

2000 1200
882856800 -2000376
866607093 -344472101
481381898 97336
-488180557 278445077
-783185249 -1...

output:

0.0330206623

result:

ok answer is 0.0330000000

Test #27:

score: 0
Accepted
time: 7ms
memory: 1280kb

input:

2000 900
882856800 -1
866607093 -40
481381898 2
-488180557 2
-783185249 -1
-816111307 -70227
9924839...

output:

313683.6666662503

result:

ok answer is 313683.6667000000

Test #28:

score: 0
Accepted
time: 7ms
memory: 1280kb

input:

2000 600
882856800 -1
866607093 -396
481381898 21
-488180557 6
-783185249 -10
-816111307 -33761
9924...

output:

45162.5555553353

result:

ok answer is 45162.5555000000

Test #29:

score: 0
Accepted
time: 7ms
memory: 1280kb

input:

2000 400
882856800 -8
866607093 -99
481381898 1
-488180557 55
-783185249 -2
-816111307 -174
99248396...

output:

2145.9655166607

result:

ok answer is 2145.9655000000

Test #30:

score: 0
Accepted
time: 7ms
memory: 1276kb

input:

2000 200
882856800 -1
866607093 -10
481381898 406927
-488180557 1
-783185249 -1483
-816111307 -8
992...

output:

3.4149337333

result:

ok answer is 3.4149000000

Test #31:

score: 0
Accepted
time: 5ms
memory: 1216kb

input:

2000 975
784172079 808971860
81381899 71917076
-712636352 -738530531
-622770179 -58502471
119667134 ...

output:

Forever

result:

ok OK, forever!

Subtask #6:

score: 20
Accepted

Test #32:

score: 20
Accepted
time: 531ms
memory: 2336kb

input:

99991 66666
-678240367 702595369
-125056128 663054848
574742591 -405224
-82244469 -11697083
55763190...

output:

0.0012737289

result:

ok answer is 0.0013000000

Test #33:

score: 0
Accepted
time: 481ms
memory: 2476kb

input:

99992 45678
-505891895 4096
409303335 -387420489
800445369 -387420489
324934094 531441
-800995856 75...

output:

0.0009254083

result:

ok answer is 0.0009000000

Test #34:

score: 0
Accepted
time: 452ms
memory: 2572kb

input:

99993 32768
972961680 -512
-622461107 -512
-65245375 387420489
-652933487 40353607
919122483 -134217...

output:

0.0008814643

result:

ok answer is 0.0009000000

Test #35:

score: 0
Accepted
time: 442ms
memory: 2656kb

input:

99994 20102
-740844274 -2048
489732031 177147
964768051 1
-652641626 -48828125
-21363456 -48828125
8...

output:

0.0001712522

result:

ok answer is 0.0002000000

Test #36:

score: 0
Accepted
time: 437ms
memory: 2476kb

input:

99995 45454
-410995107 39
894702367 13
-426401694 -77
800430197 -1
-295413329 -9
708661134 -4
415710...

output:

6448.4999998936

result:

ok answer is 6448.5000000000

Test #37:

score: 0
Accepted
time: 443ms
memory: 2544kb

input:

99996 35555
-14445778 13
-451475811 -3
444048318 -13004
422621424 -1
742439995 -2
723182696 -7
68727...

output:

1573.3333329491

result:

ok answer is 1573.3333000000

Test #38:

score: 0
Accepted
time: 449ms
memory: 2632kb

input:

99997 25600
-730866353 10
-218920426 -2
64717974 -1
137126596 -5
46821900 10155
745056512 17285
-964...

output:

119.0812182512

result:

ok answer is 119.0812000000

Test #39:

score: 0
Accepted
time: 447ms
memory: 2688kb

input:

99998 15263
-467407842 -1
-422165068 -2
915790698 -332
354357273 2
387305689 1714
-445403298 704
-83...

output:

1.4888288136

result:

ok answer is 1.4888000000

Test #40:

score: 0
Accepted
time: 452ms
memory: 2772kb

input:

99999 4999
-845589366 -183
771287727 -36
409548298 7543
-261071768 52
-182275548 3385
-137396908 121...

output:

0.0009842157

result:

ok answer is 0.0010000000

Test #41:

score: 0
Accepted
time: 340ms
memory: 2456kb

input:

100000 48364
979472386 980717496
207916820 208951865
-236221008 -237374910
348596303 348678721
70817...

output:

Forever

result:

ok OK, forever!

Extra Test:

score: 0
Extra Test Passed

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