結果
問題 | No.1299 Random Array Score |
ユーザー | sigma425 |
提出日時 | 2020-11-28 03:02:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 27 ms / 2,000 ms |
コード長 | 3,698 bytes |
コンパイル時間 | 2,143 ms |
コンパイル使用メモリ | 202,936 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-12 21:53:02 |
合計ジャッジ時間 | 4,206 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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 25 ms
6,940 KB |
testcase_04 | AC | 25 ms
6,940 KB |
testcase_05 | AC | 20 ms
6,944 KB |
testcase_06 | AC | 17 ms
6,940 KB |
testcase_07 | AC | 19 ms
6,944 KB |
testcase_08 | AC | 25 ms
6,940 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 10 ms
6,940 KB |
testcase_11 | AC | 4 ms
6,940 KB |
testcase_12 | AC | 17 ms
6,940 KB |
testcase_13 | AC | 24 ms
6,940 KB |
testcase_14 | AC | 17 ms
6,940 KB |
testcase_15 | AC | 17 ms
6,940 KB |
testcase_16 | AC | 17 ms
6,940 KB |
testcase_17 | AC | 5 ms
6,944 KB |
testcase_18 | AC | 12 ms
6,944 KB |
testcase_19 | AC | 13 ms
6,944 KB |
testcase_20 | AC | 8 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 6 ms
6,944 KB |
testcase_23 | AC | 17 ms
6,940 KB |
testcase_24 | AC | 20 ms
6,944 KB |
testcase_25 | AC | 17 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 6 ms
6,940 KB |
testcase_28 | AC | 5 ms
6,940 KB |
testcase_29 | AC | 6 ms
6,940 KB |
testcase_30 | AC | 16 ms
6,940 KB |
testcase_31 | AC | 7 ms
6,940 KB |
testcase_32 | AC | 24 ms
6,940 KB |
testcase_33 | AC | 27 ms
6,944 KB |
testcase_34 | AC | 13 ms
6,944 KB |
testcase_35 | AC | 27 ms
6,944 KB |
testcase_36 | AC | 13 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using uint = unsigned int; #define rep(i,n) for(int i=0;i<int(n);i++) #define rep1(i,n) for(int i=1;i<=int(n);i++) #define per(i,n) for(int i=int(n)-1;i>=0;i--) #define per1(i,n) for(int i=int(n);i>0;i--) #define all(c) c.begin(),c.end() #define si(x) int(x.size()) #define pb emplace_back #define fs first #define sc second template<class T> using V = vector<T>; template<class T> using VV = vector<vector<T>>; template<class T,class U> void chmax(T& x, U y){if(x<y) x=y;} template<class T,class U> void chmin(T& x, U y){if(y<x) x=y;} template<class T> void mkuni(V<T>& v){sort(all(v));v.erase(unique(all(v)),v.end());} template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){ return o<<"("<<p.fs<<","<<p.sc<<")"; } template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){ o<<"{"; for(const T& v:vc) o<<v<<","; o<<"}"; return o; } constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); } #ifdef LOCAL #define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl void dmpr(ostream& os){os<<endl;} template<class T,class... Args> void dmpr(ostream&os,const T&t,const Args&... args){ os<<t<<" ~ "; dmpr(os,args...); } #define shows(...) cerr << "LINE" << __LINE__ << " : ";dmpr(cerr,##__VA_ARGS__) #define dump(x) cerr << "LINE" << __LINE__ << " : " << #x << " = {"; \ for(auto v: x) cerr << v << ","; cerr << "}" << endl; #else #define show(x) void(0) #define dump(x) void(0) #define shows(...) void(0) #endif template<unsigned int mod_> struct ModInt{ using uint = unsigned int; using ll = long long; using ull = unsigned long long; constexpr static uint mod = mod_; uint v; ModInt():v(0){} ModInt(ll _v):v(normS(_v%mod+mod)){} explicit operator bool() const {return v!=0;} static uint normS(const uint &x){return (x<mod)?x:x-mod;} // [0 , 2*mod-1] -> [0 , mod-1] static ModInt make(const uint &x){ModInt m; m.v=x; return m;} ModInt operator+(const ModInt& b) const { return make(normS(v+b.v));} ModInt operator-(const ModInt& b) const { return make(normS(v+mod-b.v));} ModInt operator-() const { return make(normS(mod-v)); } ModInt operator*(const ModInt& b) const { return make((ull)v*b.v%mod);} ModInt operator/(const ModInt& b) const { return *this*b.inv();} ModInt& operator+=(const ModInt& b){ return *this=*this+b;} ModInt& operator-=(const ModInt& b){ return *this=*this-b;} ModInt& operator*=(const ModInt& b){ return *this=*this*b;} ModInt& operator/=(const ModInt& b){ return *this=*this/b;} ModInt& operator++(int){ return *this=*this+1;} ModInt& operator--(int){ return *this=*this-1;} ll extgcd(ll a,ll b,ll &x,ll &y) const{ ll p[]={a,1,0},q[]={b,0,1}; while(*q){ ll t=*p/ *q; rep(i,3) swap(p[i]-=t*q[i],q[i]); } if(p[0]<0) rep(i,3) p[i]=-p[i]; x=p[1],y=p[2]; return p[0]; } ModInt inv() const { ll x,y; extgcd(v,mod,x,y); return make(normS(x+mod)); } ModInt pow(ll p) const { if(p<0) return inv().pow(-p); ModInt a = 1; ModInt x = *this; while(p){ if(p&1) a *= x; x *= x; p >>= 1; } return a; } bool operator==(const ModInt& b) const { return v==b.v;} bool operator!=(const ModInt& b) const { return v!=b.v;} friend istream& operator>>(istream &o,ModInt& x){ ll tmp; o>>tmp; x=ModInt(tmp); return o; } friend ostream& operator<<(ostream &o,const ModInt& x){ return o<<x.v;} }; using mint = ModInt<998244353>; int main(){ cin.tie(0); ios::sync_with_stdio(false); //DON'T USE scanf/printf/puts !! cout << fixed << setprecision(20); ll N,K; cin >> N >> K; mint s=0; while(N--){ int x; cin >> x; s += x; } cout << s * mint(2).pow(K) << endl; }