Submission #1372928


Source Code Expand

def is_possible(N, M, m):
    if M >= 2 * m:
        r = M - 2 * m
        t = r // 2
        if N + t >= m:
            return True
    return False


def solve(N, M):
    a = 0
    b = 10 ** 20
    while b - a > 1:
        m = (a + b) // 2
        if is_possible(N, M, m):
            a = m
        else:
            b = m
    return a

N, M = map(int, input().split())
res = solve(N, M)
print(res)

Submission Info

Submission Time
Task C - Scc Puzzle
User xiaodidi
Language Python (3.4.3)
Score 300
Code Size 424 Byte
Status AC
Exec Time 17 ms
Memory 3064 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 9
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt
All 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 17 ms 2940 KB
00_example_02.txt AC 17 ms 3060 KB
01.txt AC 17 ms 3060 KB
02.txt AC 17 ms 2940 KB
03.txt AC 17 ms 3060 KB
04.txt AC 17 ms 3060 KB
05.txt AC 17 ms 2940 KB
06.txt AC 17 ms 3060 KB
07.txt AC 17 ms 3064 KB