結果
問題 | No.999 てん vs. ほむ |
ユーザー | NyaanNyaan |
提出日時 | 2020-02-28 21:25:24 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 26 ms / 2,000 ms |
コード長 | 3,732 bytes |
コンパイル時間 | 1,584 ms |
コンパイル使用メモリ | 169,720 KB |
実行使用メモリ | 7,936 KB |
最終ジャッジ日時 | 2024-10-13 16:40:27 |
合計ジャッジ時間 | 3,142 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 24 ms
7,552 KB |
testcase_10 | AC | 9 ms
5,248 KB |
testcase_11 | AC | 7 ms
5,248 KB |
testcase_12 | AC | 11 ms
5,248 KB |
testcase_13 | AC | 26 ms
7,936 KB |
testcase_14 | AC | 24 ms
7,936 KB |
testcase_15 | AC | 25 ms
7,808 KB |
testcase_16 | AC | 26 ms
7,936 KB |
testcase_17 | AC | 20 ms
7,552 KB |
testcase_18 | AC | 20 ms
7,552 KB |
testcase_19 | AC | 19 ms
7,552 KB |
testcase_20 | AC | 19 ms
7,424 KB |
testcase_21 | AC | 25 ms
7,680 KB |
testcase_22 | AC | 24 ms
7,680 KB |
ソースコード
#include <bits/stdc++.h> // clang-format off #define pb push_back #define eb emplace_back #define fi first #define se second #define each(x,v) for(auto& x : v) #define all(v) (v).begin(),(v).end() #define sz(v) ((int)(v).size()) #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) long long __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #ifdef ONLINE_JUDGE #define rep(i,N) for(int i = 0; i < (int)(N); i++) #define repr(i,N) for(int i = (int)(N) - 1; i >= 0; i--) #define rep1(i,N) for(int i = 1; i <= (int)(N) ; i++) #define repr1(i,N) for(int i = (N) ; (int)(i) > 0 ; i--) #else #define rep(i,N) for(long long i = 0; i < (long long)(N); i++) #define repr(i,N) for(long long i = (long long)(N) - 1; i >= 0; i--) #define rep1(i,N) for(long long i = 1; i <= (long long)(N) ; i++) #define repr1(i,N) for(long long i = (N) ; (long long)(i) > 0 ; i--) #endif using namespace std; void solve(); using ll = long long; template<class T = ll> using V = vector<T>; using vi = V<int>; using vl = V<>; using vvi = V< V<int> >; constexpr int inf = 1001001001; constexpr ll infLL = (1LL << 61) - 1; struct IoSetupNya {IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(7);} } iosetupnya; template<typename T, typename U> inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template<typename T, typename U> inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template<typename T, typename U> ostream& operator <<(ostream& os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; } template<typename T, typename U> istream& operator >>(istream& is, pair<T, U> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream& operator <<(ostream& os, const vector<T> &v) { int s = (int)v.size(); for(int i=0;i<s;i++) os << (i ? " " : "") << v[i]; return os; } template<typename T> istream& operator >>(istream& is, vector<T> &v) { for(auto &x : v) is >> x; return is; } void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);} template<typename T>void die(T x){out(x); exit(0);} #ifdef NyaanDebug #include "NyaanDebug.h" #define trc(...) do { cerr << #__VA_ARGS__ << " = "; dbg_out(__VA_ARGS__);} while(0) #define trca(v,N) do { cerr << #v << " = "; array_out(v , N);} while(0) #define trcc(v) do { cerr << "name : " << #v << "\n"; int cnt = 0; each(x , v){cerr << (cnt++) << " : "; trc(x); } } while(0) #else #define trc(...) #define trca(...) #define trcc(...) int main(){solve();} #endif #define inc(...) char __VA_ARGS__; in(__VA_ARGS__) #define in2(s,t) rep(i,sz(s)){in(s[i] , t[i]);} #define in3(s,t,u) rep(i,sz(s)){in(s[i] , t[i] , u[i]);} using vd = V<double>; using vs = V<string>; using vvl = V< V<> >; template<typename T,typename U>ll ceil(T a,U b){return (a + b - 1) / b;} using P = pair<ll,ll>; using vp = V<P>; constexpr int MOD = /**/ 1000000007; //*/ 998244353; // clang-format on /////////////////////////////////////////////////////////// void solve(){ ini(N); vl a(2 * N); in(a); vl odd(2 * N + 1) , even(2 * N + 1); rep(i , 2 * N){ odd[i + 1] = odd[i] + (i & 1 ? a[i] : 0); even[i + 1]=even[i] + ((i & 1) == 0 ? a[i] : 0); } ll ans = odd[2 * N] - even[2 * N]; for(int d = 0 ; d <= 2 * N ; d += 2){ ll cur = 0; cur += even[d] - odd[d]; trc(d , cur); cur += odd[2 * N] - odd[d]; cur -= even[2 * N] - even[d]; trc(d , cur); amax(ans , cur); } out(ans); }