結果
問題 | No.2344 (l+r)^2 |
ユーザー |
👑 ![]() |
提出日時 | 2023-06-10 14:30:04 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 67 ms / 2,000 ms |
コード長 | 1,970 bytes |
コンパイル時間 | 808 ms |
コンパイル使用メモリ | 79,416 KB |
最終ジャッジ日時 | 2025-02-14 01:17:05 |
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 12 |
ソースコード
#line 1 "..\\Main.cpp" #include <iostream> #include <string> #include <vector> #include <algorithm> #include <atcoder/modint> #line 4 "D:\\Programming\\VSCode\\competitive-cpp\\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 MsbIndex(x & -x); #endif } } #line 7 "..\\Main.cpp" using namespace std; using i32 = int; using u32 = unsigned int; using i64 = long long; using u64 = unsigned long long; #define rep(i,n) for(int i=0; i<(int)(n); i++) const i64 INF = 1001001001001001001; using Modint = atcoder::static_modint<998244353>; int main(){ int T; cin >> T; rep(t,T){ int N; cin >> N; int M; cin >> M; vector<i64> A(N); rep(i,N) cin >> A[i]; if(M+1 <= N){ vector<i64> B(M+1); rep(s,M+1) rep(t,N-M) if(((N-M-1) & t) == t){ B[s] ^= A[s+t] & 1; } N = B.size(); A = B; } while(N > 1){ rep(i,N-1){ A[i] = (A[i] + A[i+1]) * (A[i] + A[i+1]); A[i] &= (1ll << M) - 1; } N--; } cout << A[0] << '\n'; } return 0; } struct ios_do_not_sync{ ios_do_not_sync(){ ios::sync_with_stdio(false); cin.tie(nullptr); } } ios_do_not_sync_instance;