結果
問題 | No.2165 Let's Play Nim! |
ユーザー | 👑 Nachia |
提出日時 | 2022-12-16 00:29:19 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 171 ms / 2,000 ms |
コード長 | 2,653 bytes |
コンパイル時間 | 833 ms |
コンパイル使用メモリ | 96,276 KB |
実行使用メモリ | 25,208 KB |
平均クエリ数 | 863.56 |
最終ジャッジ日時 | 2024-04-27 04:25:08 |
合計ジャッジ時間 | 13,380 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 20 ms
24,812 KB |
testcase_01 | AC | 110 ms
24,812 KB |
testcase_02 | AC | 124 ms
24,940 KB |
testcase_03 | AC | 75 ms
24,812 KB |
testcase_04 | AC | 20 ms
24,812 KB |
testcase_05 | AC | 25 ms
25,196 KB |
testcase_06 | AC | 25 ms
24,796 KB |
testcase_07 | AC | 23 ms
25,196 KB |
testcase_08 | AC | 79 ms
24,824 KB |
testcase_09 | AC | 21 ms
24,824 KB |
testcase_10 | AC | 26 ms
25,208 KB |
testcase_11 | AC | 122 ms
25,196 KB |
testcase_12 | AC | 109 ms
25,196 KB |
testcase_13 | AC | 21 ms
24,940 KB |
testcase_14 | AC | 23 ms
24,940 KB |
testcase_15 | AC | 20 ms
24,940 KB |
testcase_16 | AC | 99 ms
24,812 KB |
testcase_17 | AC | 52 ms
24,812 KB |
testcase_18 | AC | 171 ms
24,940 KB |
testcase_19 | AC | 20 ms
24,824 KB |
testcase_20 | AC | 22 ms
24,952 KB |
testcase_21 | AC | 43 ms
24,964 KB |
testcase_22 | AC | 35 ms
24,580 KB |
testcase_23 | AC | 33 ms
24,836 KB |
testcase_24 | AC | 31 ms
24,836 KB |
testcase_25 | AC | 66 ms
24,580 KB |
testcase_26 | AC | 128 ms
25,184 KB |
testcase_27 | AC | 43 ms
24,812 KB |
testcase_28 | AC | 56 ms
24,556 KB |
testcase_29 | AC | 19 ms
25,196 KB |
testcase_30 | AC | 19 ms
24,428 KB |
testcase_31 | AC | 18 ms
24,812 KB |
testcase_32 | AC | 77 ms
24,556 KB |
evil_2_big_1.txt | AC | 1,390 ms
24,812 KB |
evil_2_big_2.txt | AC | 1,543 ms
25,196 KB |
evil_2_big_3.txt | AC | 1,342 ms
24,812 KB |
evil_big_1.txt | AC | 1,526 ms
25,220 KB |
evil_big_2.txt | AC | 1,526 ms
24,836 KB |
evil_big_3.txt | AC | 1,548 ms
24,836 KB |
ソースコード
#line 1 "Main.cpp" #line 1 "Main.cpp" #include <iostream> #include <string> #include <vector> #include <algorithm> #include <utility> #include <atcoder/modint> #include <atcoder/segtree> #line 1 "nachia\\misc\\bit-operations.hpp" #line 4 "nachia\\misc\\bit-operations.hpp" namespace nachia{ int Popcount(unsigned long long c) noexcept { #ifdef __GNUC__ return __builtin_popcountll(c); #else c = (c & (~0ull/3)) + ((c >> 1) & (~0ull/3)); c = (c & (~0ull/5)) + ((c >> 2) & (~0ull/5)); c = (c & (~0ull/17)) + ((c >> 4) & (~0ull/17)); c = (c * (~0ull/257)) >> 56; return c; #endif } // please ensure x != 0 int MsbIndex(unsigned long long x) noexcept { #ifdef __GNUC__ return 63 - __builtin_clzll(x); #else int res = 0; for(int d=32; d>=0; d>>=1) if(x >> d){ res |= d; x >>= d; } return res; #endif } // please ensure x != 0 int LsbIndex(unsigned long long x) noexcept { #ifdef __GNUC__ return __builtin_ctzll(x); #else return msb_idx(x & -x); #endif } } #line 9 "Main.cpp" using namespace std; using i32 = int32_t; using u32 = uint32_t; using i64 = int64_t; using u64 = uint64_t; #define rep(i,n) for(int i=0; i<(int)(n); i++) const i64 INF = 1001001001001001001; using Modint = atcoder::static_modint<998244353>; namespace Segtree { using S = int; S e(){ return 0; } S op(S l, S r){ return l | r; } using RQ = atcoder::segtree<S, op, e>; } int main(){ int N; cin >> N; vector<int> A(N); rep(i,N) cin >> A[i]; Segtree::RQ rq(A); int allxor = 0; for(int a : A) allxor ^= a; auto readMove = [&]() -> bool { int i,k; cin >> i >> k; i--; allxor ^= A[i]; A[i] -= k; allxor ^= A[i]; rq.set(i, A[i]); int r; cin >> r; return r == -1; }; auto doMove = [&](){ int msb = 1 << nachia::MsbIndex(allxor); int i = rq.max_right(0, [&](int x){ return 0 == (msb & x); }); allxor ^= A[i]; int k = A[i] - allxor; cout << (i+1) << ' ' << k << endl; A[i] -= k; rq.set(i, A[i]); allxor ^= A[i]; int r; cin >> r; return r == -1; }; if(allxor != 0){ cout << 1 << endl; } else { cout << 0 << endl; if(readMove()) return 0; } while(true){ if(doMove()) return 0; if(readMove()) return 0; } return 0; } struct ios_do_not_sync{ ios_do_not_sync(){ ios::sync_with_stdio(false); cin.tie(nullptr); } } ios_do_not_sync_instance;