Submission #9173774


Source Code Expand

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import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N,A,B = map(int,read().split())

def F(N,A,B):
    if (B - A) % 2 == 0:
        return (B - A) // 2
    # 左端で止まる
    cand = []
    x = (B - 1) + (A - 1) + 1
    cand.append(x//2)
    x = (N - B) + (N - A) + 1
    cand.append(x//2)
    return min(cand)

answer = F(N,A,B)
print(answer)

Submission Info

Submission Time
Task A - Table Tennis Training
User maspy
Language Python (3.4.3)
Score 300
Code Size 432 Byte
Status AC
Exec Time 21 ms
Memory 3316 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 20
Set Name Test Cases
Sample 00-sample-01.txt, 00-sample-02.txt
All 00-sample-01.txt, 00-sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt
Case Name Status Exec Time Memory
00-sample-01.txt AC 21 ms 3316 KB
00-sample-02.txt AC 17 ms 3064 KB
01-01.txt AC 17 ms 3064 KB
01-02.txt AC 17 ms 3064 KB
01-03.txt AC 17 ms 3060 KB
01-04.txt AC 17 ms 3064 KB
01-05.txt AC 17 ms 3064 KB
01-06.txt AC 17 ms 3060 KB
01-07.txt AC 17 ms 3064 KB
01-08.txt AC 17 ms 3064 KB
01-09.txt AC 17 ms 3064 KB
01-10.txt AC 17 ms 3064 KB
01-11.txt AC 17 ms 3064 KB
01-12.txt AC 17 ms 3064 KB
01-13.txt AC 17 ms 3064 KB
01-14.txt AC 17 ms 3060 KB
01-15.txt AC 17 ms 3064 KB
01-16.txt AC 17 ms 3060 KB
01-17.txt AC 17 ms 3060 KB
01-18.txt AC 17 ms 3060 KB