Created
January 20, 2014 19:28
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CodeForces 225 Div2 B TLEなバブルソートver.ケース3は通るけど最大ケースが無理ぽ
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def solve(n,m,k,data): | |
ans = [] | |
if k == 1: | |
data = [[dd * -1 for dd in d] for d in data] | |
for i in xrange(n): | |
isSorted = False | |
while not isSorted: | |
swapCnt = 0 | |
for j in xrange(m - 1): | |
if data[i][j] > data[i][j+1]: | |
swapCnt+=1 | |
ans.append([str(j+1), str(j+2)]) | |
for l in xrange(n): | |
if data[l][j] > data[l][j+1]: | |
tmp = data[l][j] | |
data[l][j] = data[l][j+1] | |
data[l][j+1] = tmp | |
break | |
if swapCnt == 0: | |
isSorted = True | |
print len(ans) | |
if k == 1: | |
for a in ans: | |
print ' '.join(a[::-1]) | |
else: | |
for a in ans: | |
print ' '.join(a) | |
if __name__ == "__main__": | |
n, m, k = map(int, raw_input().split()) | |
import time | |
time1 = time.clock() | |
data = [] | |
for _ in xrange(n): | |
data.append(map(int, raw_input().split())) | |
# data = [[i for i in range(100)[::-1]] for i in xrange(1000)] | |
# solve(1000, 100, 0, data) | |
solve(n, m, k, data) | |
time2 = time.clock() | |
print time2 - time1 |
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