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Submission #23904

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```def solve(X,Y):
global ans
ans = []
def check(N):
global ans
if X*N%Y==0:
M = N*(N+1)/2-X*N/Y
if 1<=M<=N:
ans += [(N,M)]
# N is odd
N = X/Y*2+1 if X%Y!=0 else (X/Y+1)*2-1
check(N)
# N is even
XX=2*X-Y;YY=2*Y	# XX/YY = X/Y-1/2
N = (XX/YY+1)*2 if XX%YY!=0 else (XX/YY+1)*2
check(N)
if ans==[]:
print "Impossible"
else:
for a in ans[::-1]:
print a[0],a[1]
"""
for N in range(1,10):
for M in range(1,N+1):
print N,M
solve(sum(range(N+1))-M,N)
print
"""
X,Y=map(int,raw_input().split("/"))
solve(X,Y)
```

#### Submission Info

Submission Time 2012-06-16 22:06:05+0900 C - 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi ) kusano Python (2.7.3) 100 566 Byte AC 54 ms 3352 KB

#### Judge Result

Set Name Score / Max Score Test Cases
All 100 / 100 00_killer.txt, 00_max.txt, 00_min.txt, 00_min2.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rnd2_00.txt, 02_rnd2_01.txt, 02_rnd2_02.txt, 02_rnd2_03.txt, 02_rnd2_04.txt, 02_rnd2_05.txt, 02_rnd2_06.txt, 02_rnd2_07.txt, 02_rnd2_08.txt, 02_rnd2_09.txt, 02_rnd2_10.txt, 02_rnd2_11.txt, 02_rnd2_12.txt, 02_rnd2_13.txt, 02_rnd2_14.txt, 02_rnd2_15.txt, 02_rnd2_16.txt, 02_rnd2_17.txt, 02_rnd2_18.txt, 02_rnd2_19.txt, 03_smallrnd_00.txt, 03_smallrnd_01.txt, 03_smallrnd_02.txt, 03_smallrnd_03.txt, 03_smallrnd_04.txt, 03_smallrnd_05.txt, 03_smallrnd_06.txt, 03_smallrnd_07.txt, 03_smallrnd_08.txt, 03_smallrnd_09.txt, 04_primes_01.txt, 04_primes_02.txt
Case Name Status Exec Time Memory
00_killer.txt 47 ms 3336 KB
00_max.txt 47 ms 3332 KB
00_min.txt 49 ms 3340 KB
00_min2.txt 50 ms 3344 KB
00_sample_01.txt 48 ms 3344 KB
00_sample_02.txt 48 ms 3340 KB
00_sample_03.txt 48 ms 3328 KB
00_sample_04.txt 50 ms 3340 KB
01_rnd_00.txt 49 ms 3344 KB
01_rnd_01.txt 49 ms 3316 KB
01_rnd_02.txt 50 ms 3348 KB
01_rnd_03.txt 50 ms 3344 KB
01_rnd_04.txt 53 ms 3344 KB
01_rnd_05.txt 50 ms 3336 KB
01_rnd_06.txt 50 ms 3272 KB
01_rnd_07.txt 49 ms 3344 KB
01_rnd_08.txt 49 ms 3340 KB
01_rnd_09.txt 51 ms 3344 KB
01_rnd_10.txt 52 ms 3348 KB
01_rnd_11.txt 50 ms 3340 KB
01_rnd_12.txt 48 ms 3348 KB
01_rnd_13.txt 50 ms 3344 KB
01_rnd_14.txt 49 ms 3340 KB
01_rnd_15.txt 50 ms 3352 KB
01_rnd_16.txt 49 ms 3352 KB
01_rnd_17.txt 49 ms 3340 KB
01_rnd_18.txt 51 ms 3348 KB
01_rnd_19.txt 50 ms 3344 KB
02_rnd2_00.txt 47 ms 3328 KB
02_rnd2_01.txt 52 ms 3332 KB
02_rnd2_02.txt 47 ms 3340 KB
02_rnd2_03.txt 47 ms 3324 KB
02_rnd2_04.txt 47 ms 3340 KB
02_rnd2_05.txt 46 ms 3340 KB
02_rnd2_06.txt 48 ms 3340 KB
02_rnd2_07.txt 50 ms 3336 KB
02_rnd2_08.txt 49 ms 3336 KB
02_rnd2_09.txt 49 ms 3332 KB
02_rnd2_10.txt 51 ms 3344 KB
02_rnd2_11.txt 50 ms 3352 KB
02_rnd2_12.txt 50 ms 3348 KB
02_rnd2_13.txt 49 ms 3336 KB
02_rnd2_14.txt 52 ms 3336 KB
02_rnd2_15.txt 49 ms 3336 KB
02_rnd2_16.txt 50 ms 3344 KB
02_rnd2_17.txt 51 ms 3316 KB
02_rnd2_18.txt 54 ms 3344 KB
02_rnd2_19.txt 52 ms 3348 KB
03_smallrnd_00.txt 50 ms 3340 KB
03_smallrnd_01.txt 46 ms 3336 KB
03_smallrnd_02.txt 49 ms 3320 KB
03_smallrnd_03.txt 50 ms 3352 KB
03_smallrnd_04.txt 52 ms 3336 KB
03_smallrnd_05.txt 50 ms 3340 KB
03_smallrnd_06.txt 50 ms 3344 KB
03_smallrnd_07.txt 52 ms 3332 KB
03_smallrnd_08.txt 50 ms 3324 KB
03_smallrnd_09.txt 46 ms 3348 KB
04_primes_01.txt 47 ms 3340 KB
04_primes_02.txt 47 ms 3340 KB