結果

問題 No.1990 Candy Boxes
ユーザー cutmdocutmdo
提出日時 2022-06-24 22:48:46
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 4,281 bytes
コンパイル時間 3,212 ms
コンパイル使用メモリ 254,872 KB
実行使用メモリ 12,644 KB
最終ジャッジ日時 2024-11-20 15:29:17
合計ジャッジ時間 6,099 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
このコードへのチャレンジ
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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 2 ms
6,816 KB
testcase_03 WA -
testcase_04 AC 2 ms
6,820 KB
testcase_05 AC 2 ms
6,816 KB
testcase_06 AC 2 ms
6,816 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 2 ms
6,820 KB
testcase_09 AC 2 ms
6,820 KB
testcase_10 AC 2 ms
6,816 KB
testcase_11 WA -
testcase_12 AC 19 ms
8,192 KB
testcase_13 AC 18 ms
8,448 KB
testcase_14 AC 13 ms
8,576 KB
testcase_15 AC 15 ms
9,344 KB
testcase_16 AC 16 ms
9,728 KB
testcase_17 AC 17 ms
10,368 KB
testcase_18 AC 17 ms
10,496 KB
testcase_19 AC 19 ms
9,960 KB
testcase_20 AC 21 ms
10,992 KB
testcase_21 AC 22 ms
10,496 KB
testcase_22 AC 18 ms
8,448 KB
testcase_23 AC 23 ms
10,036 KB
testcase_24 AC 22 ms
9,728 KB
testcase_25 AC 32 ms
12,644 KB
testcase_26 AC 20 ms
11,752 KB
testcase_27 AC 19 ms
11,700 KB
testcase_28 AC 20 ms
12,380 KB
testcase_29 AC 20 ms
12,172 KB
testcase_30 WA -
testcase_31 AC 20 ms
12,428 KB
testcase_32 AC 12 ms
8,064 KB
testcase_33 AC 17 ms
10,400 KB
testcase_34 WA -
testcase_35 AC 22 ms
11,392 KB
testcase_36 AC 22 ms
11,008 KB
testcase_37 AC 19 ms
11,192 KB
testcase_38 AC 16 ms
9,728 KB
testcase_39 WA -
testcase_40 AC 19 ms
11,492 KB
testcase_41 AC 17 ms
11,192 KB
testcase_42 AC 12 ms
8,064 KB
testcase_43 AC 16 ms
9,600 KB
testcase_44 AC 14 ms
9,088 KB
testcase_45 WA -
testcase_46 AC 18 ms
9,368 KB
testcase_47 AC 23 ms
11,292 KB
testcase_48 AC 21 ms
10,240 KB
testcase_49 AC 2 ms
6,816 KB
testcase_50 AC 2 ms
6,820 KB
testcase_51 AC 2 ms
6,820 KB
testcase_52 AC 2 ms
6,820 KB
testcase_53 AC 2 ms
6,816 KB
testcase_54 AC 2 ms
6,816 KB
testcase_55 AC 1 ms
6,816 KB
testcase_56 AC 2 ms
6,816 KB
testcase_57 AC 2 ms
6,816 KB
testcase_58 AC 2 ms
6,816 KB
testcase_59 AC 2 ms
6,820 KB
testcase_60 AC 2 ms
6,820 KB
testcase_61 AC 2 ms
6,816 KB
testcase_62 AC 2 ms
6,816 KB
testcase_63 AC 2 ms
6,820 KB
testcase_64 AC 2 ms
6,816 KB
testcase_65 AC 24 ms
12,092 KB
testcase_66 AC 20 ms
10,552 KB
testcase_67 AC 22 ms
11,108 KB
testcase_68 AC 13 ms
8,576 KB
testcase_69 AC 23 ms
11,680 KB
testcase_70 AC 23 ms
11,756 KB
testcase_71 AC 20 ms
9,984 KB
testcase_72 AC 25 ms
12,100 KB
testcase_73 AC 26 ms
12,100 KB
testcase_74 AC 17 ms
8,832 KB
testcase_75 AC 17 ms
9,984 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,avx512f")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <stack>
#include <queue>
#include <bitset>
#include <numeric>
#include <cassert>
#include <memory>
#include <random>
#include <functional>
#include <complex>
#include <immintrin.h>
#include <stdexcept>
#ifdef DEBUG
#include "./CompetitiveProgrammingCpp/debug.hpp"
#include "./CompetitiveProgrammingCpp/Timer.hpp"
#include "./CompetitiveProgrammingCpp/sample.hpp"
#else
#define dump(...)
#endif

/* macro */
#define FOR(i, b, e) for(ll i = (ll)(b); i < (ll)(e); ++i)
#define RFOR(i, b, e) for(ll i = (ll)((e)-1); i >= (ll)(b); --i)
#define REP(i, n) FOR(i, 0, (n))
#define RREP(i, n) RFOR(i, 0, (n))
#define REPC(x,c) for(const auto& x:(c))
#define REPI2(it,b,e) for(auto it = (b); it != (e); ++it)
#define REPI(it,c) REPI2(it, (c).begin(), (c).end())
#define RREPI(it,c) REPI2(it, (c).rbegin(), (c).rend())
#define REPI_ERACE2(it, b, e) for(auto it = (b); it != (e);)
#define REPI_ERACE(it, c) REPI_ERACE2(it, (c).begin(), (c).end())
#define ALL(x) (x).begin(),(x).end()
#define cauto const auto&
/* macro func */
template<class T>
inline auto sort(T& t) { std::sort(ALL(t)); }
template<class T>
inline auto rsort(T& t) { std::sort((t).rbegin(), (t).rend()); }
template<class T>
inline auto unique(T& t) { (t).erase(unique((t).begin(), (t).end()), (t).end()); }
template<class T, class S>
inline auto chmax(T& t, const S& s) { if(s > t) { t = s; return true; } return false; }
template<class T, class S>
inline auto chmin(T& t, const S& s) { if(s < t) { t = s; return true; } return false; }
inline auto BR() { std::cout << "\n"; }

/* type define */
using ll = long long;
using VS = std::vector<std::string>;
using VL = std::vector<long long>;
using VVL = std::vector<VL>;
using VVVL = std::vector<VVL>;
using VVVVL = std::vector<VVVL>;
using VVVVVL = std::vector<VVVVL>;
using VD = std::vector<double>;
template<class T>
using V = std::vector<T>;
template<class T = ll, class U = T>
using P = std::pair<T, U>;
using PAIR = P<ll>;

/* using std */
using std::cout;
constexpr char endl = '\n';
using std::cin;
using std::pair;
using std::string;
using std::stack;
using std::queue;
using std::deque;
using std::vector;
using std::list;
using std::map;
using std::unordered_map;
using std::multimap;
using std::unordered_multimap;
using std::set;
using std::unordered_set;
using std::unordered_multiset;
using std::multiset;
using std::bitset;
using std::priority_queue;

/* Initial processing  */
struct Preprocessing { Preprocessing() { std::cin.tie(0); std::ios::sync_with_stdio(0); }; }_Preprocessing;

/* Remove the source of the bug */
auto pow(signed, signed) { assert(false); }

/* define hash */
namespace std {
template <>	class hash<std::pair<ll, ll>> { public:	size_t operator()(const std::pair<ll, ll>& x) const { return hash<ll>()(1000000000 * x.first + x.second); } };
}

/* input */
template<class T> std::istream& operator >> (std::istream& is, vector<T>& vec) { for(T& x : vec) is >> x; return is; }

/* constant value */
// constexpr ll MOD = 1000000007;
constexpr ll MOD = 998244353;

//=============================================================================================

signed main() {
    ll n;
    cin >> n;

    VL a(n);
    cin >> a;

    auto b = a;
    V<PAIR> v(n);
    V<PAIR> w(n);

    w[0] = {(a[0] + 1) / 2, a[0] / 2};
    FOR(i, 1, n) {
        b[i] -= b[i - 1];
        b[i - 1] -= b[i - 1];
        v[i] = w[i - 1];

        ll need = (a[i] + 1) / 2 - v[i].first;
        ll ex = b[i];
        ll ad1 = std::min(ex, need);
        ll ad2 = ex - ad1;
        w[i] = {ad1,ad2};
    }

    dump(b, v, w);
    REPC(x, b)if(x != 0) {
        cout << "No" << endl;
        return 0;
    }
    REP(i, n) {
        auto a = v[i].first + w[i].first;
        auto b = v[i].second + w[i].second;
        if(a < b) {
            cout << "No" << endl;
            return 0;
        }
    }
    cout << "Yes" << endl;

}
0