제출 #1161443

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1161443		browhatt	Type Printer (IOI08_printer)	Pypy 3	10 / 100	218 ms	77452 KiB

printer

def get_operations(prev, curr):
    """Calculate operations needed to transform prev to curr"""
    i = 0
    min_len = min(len(prev), len(curr))
    
    # Find common prefix length
    while i < min_len and prev[i] == curr[i]:
        i += 1
    
    # Generate operations
    ops = []
    # Backspace operations
    ops.extend(['-'] * (len(prev) - i))
    # Add new characters
    ops.extend(list(curr[i:]))
    # Print operation
    ops.append('P')
    
    return ops

def solve(words):
    n = len(words)
    if n == 1:
        return list(words[0]) + ['P']
    
    # Sort words to maximize prefix sharing
    words.sort()
    
    # Generate operations
    operations = []
    current = ""
    
    for word in words:
        operations.extend(get_operations(current, word))
        current = word
    
    return operations

# Read input
n = int(input())
words = [input().strip() for _ in range(n)]

# Get solution
operations = solve(words)

# Print output
print(len(operations))
for op in operations:
    print(op)

컴파일 시 표준 출력 (stdout) 메시지

Compiling 'printer.py'...

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  adding: __main__.pyc (deflated 38%)

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• Subtask 1: 10 / 10
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