Created
April 28, 2014 09:13
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Paiza vol.2 (他の方のコードを読んでPythonで書いた)
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import sys | |
if sys.version_info[0] < 3: | |
input = raw_input | |
h, w = [int(e) for e in input().split()] | |
home = [] | |
for _ in range(h): | |
home.append([0 if c == '1' else 1 for c in input().rstrip()]) | |
table = [[[c] + [0] * (h - 1) for c in line] for line in home] | |
accum = [[0] * (w + 1) for _ in range(h)] | |
for i in range(h): | |
accum[0][table[i][0][0]] += 1 | |
for j in range(1, w): | |
if table[i][j][0] > 0: | |
table[i][j][0] += table[i][j - 1][0] | |
accum[0][table[i][j][0]] += 1 | |
for i in range(1, h): | |
for j in range(w): | |
for k in range(1, h): | |
table[i][j][k] = min(table[i-1][j][k-1], table[i][j][k - 1]) | |
accum[k][table[i][j][k]] += 1 | |
for i in range(h): | |
for j in reversed(range(w)): | |
accum[i][j] += accum[i][j + 1] | |
for _ in range(int(input())): | |
height, width = [int(e) for e in input().split()] | |
if height <= h and width <= w: | |
print(accum[height - 1][width]) | |
else: | |
print(0) |
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