結果
問題 | No.2077 Get Minimum Algorithm |
ユーザー | chineristAC |
提出日時 | 2022-01-04 02:57:55 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,116 ms / 3,000 ms |
コード長 | 3,294 bytes |
コンパイル時間 | 310 ms |
コンパイル使用メモリ | 82,828 KB |
実行使用メモリ | 124,236 KB |
最終ジャッジ日時 | 2024-06-01 11:38:10 |
合計ジャッジ時間 | 28,405 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 45 ms
57,460 KB |
testcase_01 | AC | 45 ms
57,764 KB |
testcase_02 | AC | 46 ms
57,448 KB |
testcase_03 | AC | 110 ms
78,204 KB |
testcase_04 | AC | 124 ms
79,000 KB |
testcase_05 | AC | 115 ms
78,832 KB |
testcase_06 | AC | 110 ms
78,220 KB |
testcase_07 | AC | 113 ms
78,324 KB |
testcase_08 | AC | 130 ms
78,824 KB |
testcase_09 | AC | 112 ms
79,696 KB |
testcase_10 | AC | 103 ms
78,524 KB |
testcase_11 | AC | 112 ms
79,648 KB |
testcase_12 | AC | 1,090 ms
120,712 KB |
testcase_13 | AC | 1,114 ms
121,800 KB |
testcase_14 | AC | 1,116 ms
120,912 KB |
testcase_15 | AC | 1,099 ms
120,884 KB |
testcase_16 | AC | 1,099 ms
120,920 KB |
testcase_17 | AC | 1,115 ms
120,504 KB |
testcase_18 | AC | 1,107 ms
121,100 KB |
testcase_19 | AC | 1,103 ms
120,984 KB |
testcase_20 | AC | 1,096 ms
120,468 KB |
testcase_21 | AC | 1,092 ms
120,644 KB |
testcase_22 | AC | 799 ms
121,680 KB |
testcase_23 | AC | 774 ms
121,808 KB |
testcase_24 | AC | 756 ms
121,652 KB |
testcase_25 | AC | 803 ms
122,036 KB |
testcase_26 | AC | 793 ms
121,808 KB |
testcase_27 | AC | 910 ms
118,540 KB |
testcase_28 | AC | 686 ms
109,704 KB |
testcase_29 | AC | 443 ms
101,144 KB |
testcase_30 | AC | 823 ms
117,568 KB |
testcase_31 | AC | 650 ms
107,688 KB |
testcase_32 | AC | 481 ms
100,184 KB |
testcase_33 | AC | 572 ms
120,084 KB |
testcase_34 | AC | 418 ms
109,732 KB |
testcase_35 | AC | 302 ms
100,656 KB |
testcase_36 | AC | 735 ms
124,236 KB |
testcase_37 | AC | 962 ms
121,144 KB |
testcase_38 | AC | 45 ms
56,168 KB |
ソースコード
class SegmentTree: def __init__(self, init_val, segfunc, ide_ele): n = len(init_val) self.segfunc = segfunc self.ide_ele = ide_ele self.num = 1 << (n - 1).bit_length() self.tree = [ide_ele] * 2 * self.num self.size = n for i in range(n): self.tree[self.num + i] = init_val[i] for i in range(self.num - 1, 0, -1): self.tree[i] = self.segfunc(self.tree[2 * i], self.tree[2 * i + 1]) def update(self, k, x): k += self.num self.tree[k] = self.segfunc(self.tree[k],x) while k > 1: k >>= 1 self.tree[k] = self.segfunc(self.tree[2*k], self.tree[2*k+1]) def query(self, l, r): if r==self.size: r = self.num res = self.ide_ele l += self.num r += self.num right = [] while l < r: if l & 1: res = self.segfunc(res, self.tree[l]) l += 1 if r & 1: right.append(self.tree[r-1]) l >>= 1 r >>= 1 for e in right[::-1]: res = self.segfunc(res,e) return res def bisect(self,l,r,x): if r==self.size: r = self.num l += self.num r += self.num segment = [] segment_r = [] while l<r: if l&1: segment.append(l) l += 1 if r&1: segment_r.append(r-1) l >>= 1 r >>= 1 segment += segment_r[::-1] tmp = self.ide_ele for pos in segment: check = self.segfunc(tmp,self.tree[pos]) if check >= x: break else: tmp = check else: return -1 while pos < self.num: check = self.segfunc(tmp,self.tree[2*pos]) if check >= x: pos = 2 * pos else: tmp = check pos = 2 * pos + 1 return pos - self.num import sys,random from collections import deque input = lambda :sys.stdin.readline().rstrip() mi = lambda :map(int,input().split()) li = lambda :list(mi()) N = int(input()) P = li() Q = int(input()) query = [[] for i in range(N+1)] for i in range(Q): x,y = mi() query[x].append((y,i)) pos = [-1] * (N+1) for i in range(N): pos[P[i]] = i fw = SegmentTree([0]*(N+1),lambda x,y:x+y,0) add_time = [[] for i in range(N+1)] for i in range(N): t = fw.query(0,P[i]) add_time[t].append(i) fw.update(P[i],1) idx_set = SegmentTree([0]*(N+1),lambda x,y:x+y,0) val_set = SegmentTree([0]*(N+1),lambda x,y:x+y,0) cond = [0] * (N+1) n = 0 for i in add_time[0]: idx_set.update(i,1) val_set.update(P[i],1) cond[P[i]] = 1 n += 1 ans = [-1]*Q for t in range(1,N+1): idx_set.update(t-1,-1) val_set.update(t,-1) cond[t] = 2 n -= 1 for i in add_time[t]: idx_set.update(i,1) val_set.update(P[i],1) cond[P[i]] = 1 n += 1 for y,idx in query[t]: if cond[y]==0: ans[idx] = pos[y] + 1 elif cond[y]==1: k = val_set.query(0,y+1) ans[idx] = idx_set.bisect(0,N+1,n-k+1) + 1 print(*ans,sep="\n")