結果
問題 | No.274 The Wall |
ユーザー | vwxyz |
提出日時 | 2023-05-17 10:09:48 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,819 bytes |
コンパイル時間 | 190 ms |
コンパイル使用メモリ | 13,056 KB |
実行使用メモリ | 11,392 KB |
最終ジャッジ日時 | 2024-05-08 21:50:27 |
合計ジャッジ時間 | 1,806 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 31 ms
11,008 KB |
testcase_01 | AC | 27 ms
10,880 KB |
testcase_02 | AC | 29 ms
10,880 KB |
testcase_03 | AC | 35 ms
11,136 KB |
testcase_04 | AC | 28 ms
10,880 KB |
testcase_05 | AC | 32 ms
10,880 KB |
testcase_06 | AC | 27 ms
10,880 KB |
testcase_07 | AC | 27 ms
10,880 KB |
testcase_08 | AC | 27 ms
11,008 KB |
testcase_09 | AC | 28 ms
10,880 KB |
testcase_10 | AC | 27 ms
11,136 KB |
testcase_11 | AC | 33 ms
11,136 KB |
testcase_12 | AC | 33 ms
11,136 KB |
testcase_13 | AC | 28 ms
11,008 KB |
testcase_14 | AC | 29 ms
11,008 KB |
testcase_15 | AC | 30 ms
11,136 KB |
testcase_16 | AC | 32 ms
11,136 KB |
testcase_17 | AC | 31 ms
11,136 KB |
testcase_18 | AC | 34 ms
11,264 KB |
testcase_19 | AC | 33 ms
11,264 KB |
testcase_20 | AC | 36 ms
11,264 KB |
testcase_21 | AC | 34 ms
11,264 KB |
testcase_22 | AC | 34 ms
11,264 KB |
testcase_23 | WA | - |
testcase_24 | AC | 34 ms
11,136 KB |
testcase_25 | AC | 33 ms
11,136 KB |
ソースコード
import sys readline=sys.stdin.readline def SCC(N,edges): start = [0] * (N + 1) elist = [0] * len(edges) for e in edges: start[e[0] + 1] += 1 for i in range(1, N + 1): start[i] += start[i - 1] counter = start[:] for e in edges: elist[counter[e[0]]] = e[1] counter[e[0]] += 1 N = N now_ord = group_num = 0 visited = [] low = [0] * N order = [-1] * N ids = [0] * N parent = [-1] * N stack = [] for i in range(N): if order[i] == -1: stack.append(i) stack.append(i) while stack: v = stack.pop() if order[v] == -1: low[v] = order[v] = now_ord now_ord += 1 visited.append(v) for i in range(start[v], start[v + 1]): to = elist[i] if order[to] == -1: stack.append(to) stack.append(to) parent[to] = v else: low[v] = min(low[v], order[to]) else: if low[v] == order[v]: while True: u = visited.pop() order[u] = N ids[u] = group_num if u == v: break group_num += 1 if parent[v] != -1: low[parent[v]] = min(low[parent[v]], low[v]) for i, x in enumerate(ids): ids[i] = group_num - 1 - x groups = [[] for _ in range(group_num)] for i, x in enumerate(ids): groups[x].append(i) return groups class TwoSAT: def __init__(self,N): self.N=N self.edges=[] def Add_Clause(self,i,f,j,g): assert 0<=i<self.N assert 0<=j<self.N self.edges.append((2*i+(0 if f else 1),2*j+(1 if g else 0))) self.edges.append((2*j+(0 if g else 1),2*i+(1 if f else 0))) def Satisfiable(self): scc=SCC(2*self.N,self.edges) idx=[None]*2*self.N for i,lst in enumerate(scc): for x in lst: idx[x]=i retu=[None]*self.N for i in range(self.N): if idx[2*i]==idx[2*i+1]: return None retu[i]=idx[2*i]<idx[2*i+1] return retu N,M=map(int,readline().split()) LR=[] for n in range(N): l,r=map(int,readline().split()) r+=1 l,r=min((l,r),(M-r,M-l)) LR.append((l,r)) used=[False]*M for l,r in sorted(LR): if used[l]: l,r=M-r,M-l if used[l]: print("NO") exit() for i in range(l,r): used[i]=True print("YES")