結果
問題 | No.2812 Plus Minus Blackboard |
ユーザー | mayocorn |
提出日時 | 2024-07-19 22:43:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 67 ms / 2,000 ms |
コード長 | 5,874 bytes |
コンパイル時間 | 4,061 ms |
コンパイル使用メモリ | 269,076 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-21 20:28:06 |
合計ジャッジ時間 | 5,709 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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
6,816 KB |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | AC | 66 ms
6,944 KB |
testcase_04 | AC | 38 ms
6,940 KB |
testcase_05 | AC | 63 ms
6,944 KB |
testcase_06 | AC | 12 ms
6,940 KB |
testcase_07 | AC | 8 ms
6,940 KB |
testcase_08 | AC | 7 ms
6,944 KB |
testcase_09 | AC | 56 ms
6,944 KB |
testcase_10 | AC | 7 ms
6,940 KB |
testcase_11 | AC | 36 ms
6,940 KB |
testcase_12 | AC | 27 ms
6,944 KB |
testcase_13 | AC | 66 ms
6,944 KB |
testcase_14 | AC | 17 ms
6,944 KB |
testcase_15 | AC | 7 ms
6,944 KB |
testcase_16 | AC | 59 ms
6,940 KB |
testcase_17 | AC | 17 ms
6,944 KB |
testcase_18 | AC | 12 ms
6,944 KB |
testcase_19 | AC | 45 ms
6,940 KB |
testcase_20 | AC | 7 ms
6,940 KB |
testcase_21 | AC | 67 ms
6,944 KB |
testcase_22 | AC | 59 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; //\///\/ TYPE //\///\/ using ll = long long; using i128 = __int128_t; using ld = long double; using ull = unsigned long long; using uint = unsigned; using pl = pair<ll, ll>; template<class T> using v = vector<T>; template<class T> using vv = vector<v<T>>; template<class T> using vvv = vector<vv<T>>; template<class T> using vvvv = vector<vvv<T>>; template<class T> using vvvvv = vector<vvvv<T>>; template<class T> using pq = priority_queue<T>; template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>; #define V vector #define vl v<ll> #define vp v<pl> #define vm v<mint> //\///\/ INOUT //\///\/ #define NYAN ios::sync_with_stdio(false);cin.tie(nullptr);cout<<fixed<<setprecision(15); ostream &operator<<(ostream &os, const i128 &v) { if(v == 0) { return (os << "0"); } i128 num = v; if(v < 0) { os << '-'; num = -num; } string s; for(; num > 0; num /= 10) { s.push_back((char)(num % 10) + '0'); } reverse(s.begin(), s.end()); return (os << s); } void Yes(bool b=1) { cout << ( b == 1 ? "Yes" : "No" ) << "\n"; } void YES(bool b=1) { cout << ( b == 1 ? "YES" : "NO" ) << "\n"; } void No(bool b=1) { cout << ( b == 1 ? "No" : "Yes" ) << "\n"; } void NO(bool b=1) { cout << ( b == 1 ? "NO" : "YES" ) << "\n"; } void CIN() {} template <typename T, class... U> void CIN(T &t, U &...u) { cin >> t; CIN(u...); } void COUT() { cout << "\n"; } template <typename T, class... U, char sep = ' '> void COUT(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; COUT(u...); } #define dump(x) cerr << #x << ":"<< x << "\n"; #define vdump(x) rep(repeat, sz(x)) cerr << repeat << ":" << x[repeat] << "\n"; //\///\/ MACRO //\///\/ // https://trap.jp/post/1224/ #define FOR1(a) for (ll _ = 0; _ < ll(a); ++_) #define FOR2(i, a) for (ll i = 0; i < ll(a); ++i) #define FOR3(i, a, b) for (ll i = a; i < ll(b); ++i) #define FOR4(i, a, b, c) for (ll i = a; i < ll(b); i += (c)) #define FOR1_R(a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR2_R(i, a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR3_R(i, a, b) for (ll i = (b)-1; i >= ll(a); --i) #define overload4(a, b, c, d, e, ...) e #define overload3(a, b, c, d, ...) d #define rep(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define repr(...) overload3(__VA_ARGS__, FOR3_R, FOR2_R, FOR1_R)(__VA_ARGS__) // bitの部分集合の列挙 #define FOR_subset(t, s) for (ll t = (s); t >= 0; t = (t == 0 ? -1 : (t - 1) & (s))) #define bp __builtin_popcountll #define ALL(x) x.begin(),x.end() #define sz(x) (ll)x.size() template <typename T> T POP(queue<T> &que) { T a = que.front(); que.pop(); return a; } template <typename T> T POP(deque<T> &que) { T a = que.front(); que.pop_front(); return a; } template <typename T> T POP(pq<T> &que) { T a = que.top(); que.pop(); return a; } template <typename T> T POP(pqg<T> &que) { T a = que.top(); que.pop(); return a; } // R, D, L, U, RU, RD, LD, LU ll xd[]={0, 1, 0, -1, 1, 1, -1, -1}; ll yd[]={1, 0, -1, 0, 1, -1, -1, 1}; //\///\/ FUNCTION //\///\/ // a / b の床関数(負もOK) template <typename T> T FLOOR(T a, T b) { return a / b - (a % b && (a ^ b) < 0); } // a / b の天井関数(負もOK) template <typename T> T CEIL(T a, T b) { return FLOOR(a + b - 1, b); } // (divisor - mod) % divisor // (3, 5) -> (2) template <typename T> T SUBMOD(T x, T y) { return (y - x % y) % y; } template <typename T, typename U> T SUM(const vector<U> &A) { T sm = 0; for (auto &&a: A) sm += a; return sm; } #define MIN(v) *min_element(ALL(v)) #define MAX(v) *max_element(ALL(v)) // lower_boundのindexを取得 #define LB(c, x) distance((c).begin(), lower_bound(ALL(c), (x))) // upper_boundのindexを取得 #define UB(c, x) distance((c).begin(), upper_bound(ALL(c), (x))) template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } // topbit (0, 1, 2, 3, 4) -> (-1, 0, 1, 1, 2) int tb(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } // lowbit (0, 1, 2, 3, 4) -> (-1, 0, 1, 0, 2) int lb(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } // bitlength (0, 1, 2, 3, 4) -> (0, 1, 2, 2, 3) int bl(ll x) { return tb(x) + 1; } bool OUT(ll x, ll y, ll h, ll w) { return x < 0 || y < 0 || x >= h || y >= w; } // 「?」 は -1 vl stovl(const string &S, char first_char='0') { vl A(S.size()); rep(i, S.size()) { A[i] = (S[i] != '?' ? S[i] - first_char : -1); } return A; } // 累積和 template <typename T, typename U> vector<T> cumsum(vector<U> &A, int off=1) { int N = A.size(); vector<T> B(N + 1); rep(i, N) { B[i + 1] = B[i] + A[i]; } if (off == 0) B.erase(B.begin()); return B; } // 二分探索 template <typename F> ll binary_search(F check, ll ok, ll ng) { while (abs(ok - ng) > 1) { auto x = (ng + ok) / 2; (check(x) ? ok : ng) = x; } return ok; } // 二分探索(実数) template <typename F> ld binary_search_real(F check, ld ok, ld ng, int iter = 100) { rep(iter) { double x = (ok + ng) / 2; (check(x) ? ok : ng) = x; } return (ok + ng) / 2; } //\///\/ CONSTANT //\///\/ long double PI = 3.14159265358979; #define INF32 2147483647 #define INF64 9223372036854775807 #define INF 922337203685477580 using mint = modint998244353; // using mint = modint1000000007; //\///\///\///\///\///\///\///\///\///\///\///\///\///\///\///\///\///\///\///\/ void solve() { ll n; cin >> n; vl a(n); rep(i, n) cin >> a[i]; pqg<ll> Q; pq<ll> R; rep(i, n){ if(a[i] > 0) Q.emplace(a[i]); else if(a[i] < 0) R.emplace(a[i]); } while(sz(Q) && sz(R)){ ll x = POP(Q) + POP(R); if(x > 0) Q.emplace(x); if(x < 0) R.emplace(x); } Yes(sz(Q) + sz(R) <= 1); } int main() { NYAN solve(); return 0; }