結果
問題 | No.2653 [Cherry 6th Tune] Re: start! (Make it Zero!) |
ユーザー | shobonvip |
提出日時 | 2024-02-23 23:38:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,079 bytes |
コンパイル時間 | 4,539 ms |
コンパイル使用メモリ | 262,728 KB |
実行使用メモリ | 5,760 KB |
最終ジャッジ日時 | 2024-09-29 09:08:54 |
合計ジャッジ時間 | 8,799 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
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testcase_00 | WA | - |
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testcase_63 | AC | 27 ms
5,248 KB |
testcase_64 | AC | 27 ms
5,248 KB |
testcase_65 | AC | 27 ms
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testcase_66 | WA | - |
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testcase_71 | WA | - |
ソースコード
#include<bits/stdc++.h> using namespace std; //* ATCODER #include<atcoder/all> using namespace atcoder; typedef modint998244353 mint; //*/ /* BOOST MULTIPRECISION #include<boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; //*/ typedef long long ll; #define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++) #define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--) template <typename T> bool chmin(T &a, const T &b) { if (a <= b) return false; a = b; return true; } template <typename T> bool chmax(T &a, const T &b) { if (a >= b) return false; a = b; return true; } template <typename T> T max(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmax(ret, a[i]); return ret; } template <typename T> T min(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmin(ret, a[i]); return ret; } template <typename T> T sum(vector<T> &a){ T ret = 0; for (int i=0; i<(int)a.size(); i++) ret += a[i]; return ret; } // [ DUAL SEGMENT TREE ] BY SHOBON // REFERENCE --- ATCODER LIBRARY // VERSION 1.0 (2022/08/28) int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } template <class F, F (*composition)(F, F), F (*id)()> struct dual_segtree{ public: dual_segtree() : dual_segtree(0) {} explicit dual_segtree(int n) : dual_segtree(std::vector<F>(n, id())) {} explicit dual_segtree(const std::vector<F>& v) : _n(int(v.size())) { log = ceil_pow2(_n); size = 1 << log; lz = std::vector<F>(2 * size, id()); for (int i = 0; i < _n; i++) lz[size + i] = v[i]; } void apply(int l, int r, F f){ assert (0 <= l && l <= r && r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--){ if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } while (l < r){ if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } } F get(int p) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); return lz[p]; } private: int _n, size, log; std::vector<F> lz; void all_apply(int k, F f){ lz[k] = composition(f, lz[k]); } void push(int k){ all_apply(2 * k, lz[k]); all_apply(2 * k + 1, lz[k]); lz[k] = id(); } }; // ---- END : DUAL SEGMENT TREE ---- struct F{ mint b; mint c; }; F composition(F g, F f){ return {f.b * g.b, f.c * g.b + g.c}; } F id(){ return {1, 0}; } // defcomp template <typename T> vector<T> compress(vector<T> &X) { vector<T> vals = X; sort(vals.begin(), vals.end()); vals.erase(unique(vals.begin(), vals.end()), vals.end()); return vals; } // ----- // importbisect template <typename T> int bisect_left(vector<T> &X, T v){ return lower_bound(X.begin(), X.end(), v) - X.begin(); } template <typename T> int bisect_right(vector<T> &X, T v){ return upper_bound(X.begin(), X.end(), v) - X.begin(); } // ----- void solve(){ int n, m; cin >> n >> m; vector<int> x(n); vector<ll> battle(n + 1); ll tmp = 0; rep(i,0,n){ cin >> x[i]; if (x[i] >= 0){ tmp += x[i]; tmp %= m; } battle[i + 1] = tmp; } int cnt = 0; rep(i,0,n){ if (x[i] == -1) cnt++; } if (cnt == 0){ ll tmp = 0; ll ans = 0; rep(i,0,n){ tmp += x[i]; tmp %= m; if (tmp != 0){ ans++; } } if (tmp != 0){ ans = 0; } cout << ans << '\n'; return; } int now = (x[0] == -1); mint ans = 0; rep(i,0,n-1){ // i - i+1 if (now == 0){ if (battle[i + 1] != 0) continue; } if (cnt-now == 0){ if (battle[n] - battle[i + 1] != 0) continue; } ll tar = 0; tar += max(now - (battle[i+1] != 0), 0); tar += max(cnt - now - (battle[n] - battle[i+1] != 0), 0); ans -= mint(m).pow(tar); now += (x[i+1] == -1); } ans = mint(m).pow(cnt - 1) * (n - 1) + ans; cout << ans.val() << '\n'; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int t; cin >> t; while(t--) solve(); }