AtCoder Beginner Contest 019

Submission #7478109

Source codeソースコード

from collections import defaultdict, deque, Counter
from heapq import heappush, heappop, heapify
import math
import bisect
import random
from itertools import permutations, accumulate, combinations
import sys
import string
from bisect import bisect_left, bisect_right
from math import factorial, ceil, floor


INF = float('inf')
def LI(): return list(map(int, sys.stdin.readline().split()))
def I(): return int(sys.stdin.readline())
def LIM(): return list(map(lambda x:int(x) - 1, sys.stdin.readline().split()))
def LS(): return sys.stdin.readline().split()
def S(): return sys.stdin.readline().strip()
def IR(n): return [I() for i in range(n)]
def LIR(n): return [LI() for i in range(n)]
def LIRM(n): return [LIM() for i in range(n)]
def SR(n): return [S() for i in range(n)]
def LSR(n): return [LS() for i in range(n)]
def SRL(n): return [list(S()) for i in range(n)]
def MSRL(n): return [[int(j) for j in list(S())] for i in range(n)]
mod = 1000000007


n = I()
ret = -INF
for i in range(2, n+1):
    print("? {0} {1}".format(1, i))
    sys.stdout.flush()
    dist = I()
    if dist > ret:
        ret = dist
        v = i


ret = -INF
for j in range(1, n+1):
    if v != j:
        print("? {0} {1}".format(v, j))
        sys.stdout.flush()
        dist = I()
        if dist > ret:
            ret = dist
            w = j



print("! {0}".format(ret))

Submission

Task問題 D - 高橋くんと木の直径
User nameユーザ名 ryuhei_py
Created time投稿日時
Language言語 PyPy3 (2.4.0)
Status状態 AC
Score得点 100
Source lengthソースコード長 1408 Byte
File nameファイル名
Exec time実行時間 212 ms
Memory usageメモリ使用量 39616 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - subtask0_0.txt
Subtask1 20 / 20 subtask1_0.txt,subtask1_1.txt,subtask1_10.txt,subtask1_11.txt,subtask1_12.txt,subtask1_13.txt,subtask1_14.txt,subtask1_15.txt,subtask1_16.txt,subtask1_17.txt,subtask1_18.txt,subtask1_19.txt,subtask1_2.txt,subtask1_20.txt,subtask1_3.txt,subtask1_4.txt,subtask1_5.txt,subtask1_6.txt,subtask1_7.txt,subtask1_8.txt,subtask1_9.txt,subtask0_0.txt
All 80 / 80 subtask0_0.txt,subtask1_0.txt,subtask1_1.txt,subtask1_10.txt,subtask1_11.txt,subtask1_12.txt,subtask1_13.txt,subtask1_14.txt,subtask1_15.txt,subtask1_16.txt,subtask1_17.txt,subtask1_18.txt,subtask1_19.txt,subtask1_2.txt,subtask1_20.txt,subtask1_3.txt,subtask1_4.txt,subtask1_5.txt,subtask1_6.txt,subtask1_7.txt,subtask1_8.txt,subtask1_9.txt,subtask2_0.txt,subtask2_1.txt,subtask2_10.txt,subtask2_11.txt,subtask2_12.txt,subtask2_13.txt,subtask2_14.txt,subtask2_15.txt,subtask2_16.txt,subtask2_17.txt,subtask2_18.txt,subtask2_19.txt,subtask2_2.txt,subtask2_3.txt,subtask2_4.txt,subtask2_5.txt,subtask2_6.txt,subtask2_7.txt,subtask2_8.txt,subtask2_9.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
subtask0_0.txt AC 206 ms 39616 KB
subtask1_0.txt AC 210 ms 39236 KB
subtask1_1.txt AC 207 ms 39232 KB
subtask1_10.txt AC 199 ms 39232 KB
subtask1_11.txt AC 194 ms 39232 KB
subtask1_12.txt AC 197 ms 39232 KB
subtask1_13.txt AC 190 ms 39236 KB
subtask1_14.txt AC 192 ms 39232 KB
subtask1_15.txt AC 190 ms 39232 KB
subtask1_16.txt AC 189 ms 39232 KB
subtask1_17.txt AC 189 ms 39232 KB
subtask1_18.txt AC 190 ms 39236 KB
subtask1_19.txt AC 190 ms 39232 KB
subtask1_2.txt AC 207 ms 39236 KB
subtask1_20.txt AC 192 ms 39232 KB
subtask1_3.txt AC 199 ms 39236 KB
subtask1_4.txt AC 199 ms 39232 KB
subtask1_5.txt AC 202 ms 39232 KB
subtask1_6.txt AC 196 ms 39108 KB
subtask1_7.txt AC 198 ms 39232 KB
subtask1_8.txt AC 202 ms 39228 KB
subtask1_9.txt AC 198 ms 39232 KB
subtask2_0.txt AC 195 ms 39232 KB
subtask2_1.txt AC 200 ms 39232 KB
subtask2_10.txt AC 190 ms 39232 KB
subtask2_11.txt AC 212 ms 39232 KB
subtask2_12.txt AC 197 ms 39232 KB
subtask2_13.txt AC 206 ms 39228 KB
subtask2_14.txt AC 196 ms 39232 KB
subtask2_15.txt AC 199 ms 39228 KB
subtask2_16.txt AC 197 ms 39228 KB
subtask2_17.txt AC 198 ms 39232 KB
subtask2_18.txt AC 195 ms 39232 KB
subtask2_19.txt AC 188 ms 39232 KB
subtask2_2.txt AC 196 ms 39232 KB
subtask2_3.txt AC 196 ms 39228 KB
subtask2_4.txt AC 195 ms 39232 KB
subtask2_5.txt AC 198 ms 39236 KB
subtask2_6.txt AC 201 ms 39100 KB
subtask2_7.txt AC 196 ms 39232 KB
subtask2_8.txt AC 194 ms 39228 KB
subtask2_9.txt AC 193 ms 39232 KB