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abc330_d.py
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175 lines (160 loc) · 4.3 KB
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###############################################
###############################################
###############################################
###############################################
###############################################
###############################################
###############################################
[deepseek 理解]
def main():
import sys
data = sys.stdin.read().splitlines()
N = int(data[0])
grid = []
for i in range(1, N+1):
grid.append(data[i].strip())
rows = [[] for _ in range(N)]
cols = [[] for _ in range(N)]
print(grid)
for i in range(N):
for j in range(N):
if grid[i][j] == 'o':
rows[i].append(j)#########
cols[j].append(i)#########
print(rows)
print(cols)
ans = 0
for i in range(N):
for j in range(N):
if grid[i][j] == 'o':
row_count = len(rows[i]) - 1
col_count = len(cols[j]) - 1
ans += row_count * col_count
print(ans)
if __name__ == "__main__":
main()
###############################################
[deepseek]
各点をL字型の角(曲がり角)と仮定します。
その点と同じ行にある他の点の数と、同じ列にある他の点の数を掛け合わせると、その点を角とするL字型の数が得られます。
def main():
import sys
data = sys.stdin.read().splitlines()
N = int(data[0])
grid = []
for i in range(1, N+1):
grid.append(data[i].strip())
# 各行と各列に含まれる'o'の位置を記録
rows = [[] for _ in range(N)]
cols = [[] for _ in range(N)]
for i in range(N):
for j in range(N):
if grid[i][j] == 'o':
rows[i].append(j)
cols[j].append(i)
ans = 0
# 各点を中心点(L字の角)と仮定して計算
for i in range(N):
for j in range(N):
if grid[i][j] == 'o':
# 同じ行にある点の数(中心点除く)
row_count = len(rows[i]) - 1
# 同じ列にある点の数(中心点除く)
col_count = len(cols[j]) - 1
# これらの組み合わせでL字が作れる
ans += row_count * col_count
print(ans)
if __name__ == "__main__":
main()
###############################################
[parra]
n=int(input())
rw,cl = [0] * n, [0] * n
g = []
for i in range(n):
s_i = input()
g.append(s_i)
for j in range(n):
if s_i[j] == 'o':
rw[i] += 1
cl[j] += 1
ans = 0
for i in range(n):
for j in range(n):
if g[i][j] == 'o':
ans += (rw[i] -1)*(cl[j]-1)
print(ans)
###############################################
[sado]
N=int(input())
A=[input() for _ in range(N)]
B=list(zip(*A[::-1]))
W=[]
L=[]
ans=0
for i in range(N):
W.append(A[i].count("o"))
L.append(B[i].count("o"))
for i in range(N):
for j in range(N):
if A[i][j]=="o":
ans+=(W[i]-1)*(L[j]-1)
print(ans)
###############################################
[nada]
from collections import deque
N=int(input())
grid = [input() for _ in range(N)]
xlist=[0]*N
ylist=[0]*N
for i in range(N):
for j in range(N):
if grid[i][j]=="o":
xlist[j]+=1
ylist[i]+=1
sum=0
for i in range(N):
for j in range(N):
if grid[i][j]=="o" and xlist[j]>= 2 and ylist[i]>= 2:
sum+=(xlist[j]-1)*(ylist[i]-1)
print(sum)
###############################################
[titia]
import sys
input = sys.stdin.readline
N=int(input())
MAP=[input().strip() for i in range(N)]
H=[0]*N
W=[0]*N
for i in range(N):
for j in range(N):
if MAP[i][j]=="o":
H[i]+=1
W[j]+=1
ANS=0
for i in range(N):
for j in range(N):
if MAP[i][j]=="o":
ANS+=(H[i]-1)*(W[j]-1)
print(ANS)
###############################################
[my TLE]
N=int(input())
S=[]
for i in range(N):
s=list(input())
for j,si in enumerate(s):
if si=='o':
S+=[(i,j)]
M=list(range(len(S)))
from itertools import product,permutations,combinations,accumulate
C=list(combinations(M,3))
t=0
for ci in C:
c0=S[ci[0]]
c1=S[ci[1]]
c2=S[ci[2]]
if len({c0[0], c1[0], c2[0]}) == 2 and len({c0[1], c1[1], c2[1]}) == 2:
t+=1
print(t)
###############################################