Submission #892290

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
892290	2023-12-25 06:53:58	dilshod9890	Red-blue table (IZhO19_stones)	Cpython 3	0 / 100	142 ms	3968 KiB

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def solve_test_case(N, M):
    total_rows = N + 1
    max_AB = (total_rows // 2) * (M // 2) + (total_rows // 2 + total_rows % 2) * ((M + 1) // 2)
    print(max_AB)
    # Generate the pattern
    for i in range(N):
        row = ['+' if (i % 2 == 0 and j % 2 == 0) or (i % 2 == 1 and j % 2 == 1) else '-' for j in range(M)]
        print("".join(row))
# Read the number of test cases
T = int(input().strip())
for _ in range(T):
    # Read the dimensions of the table
    N, M = map(int, input().strip().split())
    # Solve the test case
    solve_test_case(N, M)
 
 
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• Subtask 1: 0 / 17
• Subtask 2: 0 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31