40分： a, b, c, f = input().split() a, b = int(a), int(b) if f != '0': for i in range(a): print(cb) else: print(cb) for i in range(a - 2): print(c + ' '(b - 2) + c) print(cb)

a, b, c, f = input().split() a, b = int(a), int(b) f = float(f) if f >= 1: for i in range(a): print(cb) else: print(cb) for i in range(a - 2): print(c + ' '(b - 2) + c) print(cb)

70分： a, b, c, f = input().split() a, b = int(a), int(b) if f == '1': for i in range(a): print(cb) else: print(cb) for i in range(a - 2): print(c + ' '(b - 2) + c) print(cb)

a, b, c, f = input().split() a, b = int(a), int(b) if f != '1': print(cb) for i in range(a - 2): print(c + ' '(b - 2) + c) print(cb) else: if f != '0': print(cb) for i in range(a - 2): print(c + ' '(b - 2) + c) print(cb) else: for i in range(a): print(c*b)

想知道原因