結果
問題 | No.1645 AB's abs |
ユーザー | milanis48663220 |
提出日時 | 2021-08-13 21:30:30 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 18 ms / 2,000 ms |
コード長 | 3,332 bytes |
コンパイル時間 | 1,423 ms |
コンパイル使用メモリ | 124,236 KB |
実行使用メモリ | 19,584 KB |
最終ジャッジ日時 | 2024-10-03 17:17:57 |
合計ジャッジ時間 | 2,896 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 3 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 4 ms
6,816 KB |
testcase_09 | AC | 5 ms
6,820 KB |
testcase_10 | AC | 4 ms
6,816 KB |
testcase_11 | AC | 4 ms
6,816 KB |
testcase_12 | AC | 4 ms
6,820 KB |
testcase_13 | AC | 17 ms
18,816 KB |
testcase_14 | AC | 16 ms
16,768 KB |
testcase_15 | AC | 17 ms
18,816 KB |
testcase_16 | AC | 16 ms
17,408 KB |
testcase_17 | AC | 17 ms
18,304 KB |
testcase_18 | AC | 16 ms
17,280 KB |
testcase_19 | AC | 17 ms
18,816 KB |
testcase_20 | AC | 15 ms
16,512 KB |
testcase_21 | AC | 16 ms
17,408 KB |
testcase_22 | AC | 18 ms
18,304 KB |
testcase_23 | AC | 18 ms
19,456 KB |
testcase_24 | AC | 18 ms
19,584 KB |
testcase_25 | AC | 18 ms
19,456 KB |
testcase_26 | AC | 18 ms
19,456 KB |
testcase_27 | AC | 17 ms
19,584 KB |
testcase_28 | AC | 18 ms
19,584 KB |
testcase_29 | AC | 18 ms
19,456 KB |
testcase_30 | AC | 17 ms
19,456 KB |
testcase_31 | AC | 18 ms
19,584 KB |
testcase_32 | AC | 18 ms
19,584 KB |
testcase_33 | AC | 18 ms
19,584 KB |
testcase_34 | AC | 18 ms
19,456 KB |
testcase_35 | AC | 18 ms
19,456 KB |
testcase_36 | AC | 18 ms
19,456 KB |
testcase_37 | AC | 18 ms
19,584 KB |
testcase_38 | AC | 17 ms
19,584 KB |
ソースコード
#include <iostream> #include <algorithm> #include <iomanip> #include <vector> #include <queue> #include <set> #include <map> #include <tuple> #include <cmath> #include <numeric> #include <functional> #include <cassert> #define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl; #define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using namespace std; typedef long long ll; const ll MOD = 998244353; class ModInt{ public: ll v; ModInt(ll _v = 0){ if(_v < 0) _v = (v%MOD)+MOD; if(_v >= MOD) _v %= MOD; v = _v; } ModInt operator+(ll n){ return ModInt((v+n)%MOD); } ModInt operator-(ll n){ return ModInt((v-n+MOD)%MOD); } ModInt operator*(ll n){ if(n >= MOD) n %= MOD; return ModInt((v*n)%MOD); } ModInt operator/(ll n){ return ModInt((ModInt(n).inv()*v).v%MOD); } void operator+=(ll n){ v = (v+n)%MOD; } void operator-=(ll n){ v = (v-n+MOD)%MOD; } void operator*=(ll n){ v = (v*n+MOD)%MOD; } ModInt operator+(ModInt n){ return ModInt((v+n.v)%MOD); } ModInt operator-(ModInt n){ return ModInt((v-n.v+MOD)%MOD); } ModInt operator*(ModInt n){ return ModInt((v*n.v)%MOD); } ModInt operator/(ModInt n){ return ModInt((n.inv()*v).v%MOD); } void operator+=(ModInt n){ v = (v+n.v)%MOD; } void operator-=(ModInt n){ v = (v-n.v+MOD)%MOD; } void operator*=(ModInt n){ v = (v*n.v)%MOD; } void operator=(ModInt n){ v = n.v; } bool operator==(ModInt n){ return v == n.v; } bool operator!=(ModInt n){ return v != n.v; } void operator=(ll n){ v = n%MOD; } ModInt inv(){ if(v == 1) return ModInt(1); else return ModInt(MOD-ModInt(MOD%v).inv().v*(MOD/v)%MOD); } }; ostream& operator<<(ostream& os, const ModInt& m){ os << m.v; return os; } istream & operator >> (istream &in, ModInt &m){ in >> m.v; return in; } template <typename T> class OffsetVec{ public: int n; vector<T> v; T& operator[](int x) { return v[x+n]; } void print(){ for(int i = -n; i <= n; i++) cout << v[i+n] << ' '; cout << endl; } OffsetVec(int _n){ n = _n; v = vector<T>(2*n+1); } OffsetVec(int _n, T x){ n = _n; v = vector<T>(2*n+1, x); } }; using mint = ModInt; int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(10) << fixed; int n; cin >> n; vector<int> a(n); for(int i = 0; i < n; i++) cin >> a[i]; vector<OffsetVec<mint>> dp(n+1, OffsetVec<mint>(n*100, mint(0))); dp[0][0] = 1; for(int i = 0; i < n; i++){ for(int j = -i*100; j <= i*100; j++){ dp[i+1][j+a[i]] += dp[i][j]; dp[i+1][j-a[i]] += dp[i][j]; } } mint ans = 0; for(int i = -n*100; i <= n*100; i++) ans += dp[n][i]*abs(i); cout << ans << endl; }