結果

問題 No.1884 Sequence
ユーザー Forested
提出日時 2022-03-25 21:37:16
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 69 ms / 2,000 ms
コード長 2,453 bytes
コンパイル時間 1,532 ms
コンパイル使用メモリ 120,672 KB
最終ジャッジ日時 2025-01-28 11:46:54
ジャッジサーバーID
(参考情報)
judge2 / judge5
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ファイルパターン 結果
sample AC * 3
other AC * 40
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 #

// ===== template.hpp =====
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

#define OVERRIDE(a, b, c, d, ...) d
#define REP2(i, n) for (i32 i = 0; i < (i32) (n); ++i)
#define REP3(i, m, n) for (i32 i = (i32) (m); i < (i32) (n); ++i)
#define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)
#define PER(i, n) for (i32 i = (i32) (n) - 1; i >= 0; --i)
#define ALL(x) begin(x), end(x)

using namespace std;

using u32 = unsigned int;
using u64 = unsigned long long;
using u128 = __uint128_t;
using i32 = signed int;
using i64 = signed long long;
using i128 = __int128_t;

template <typename T>
using Vec = vector<T>;

template <typename T>
bool chmin(T &x, const T &y) {
    if (x > y) {
        x = y;
        return true;
    }
    return false;
}
template <typename T>
bool chmax(T &x, const T &y) {
    if (x < y) {
        x = y;
        return true;
    }
    return false;
}

[[maybe_unused]] constexpr i32 inf = 1000000100;
[[maybe_unused]] constexpr i64 inf64 = 3000000000000000100;

struct SetIO {
    SetIO() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
        cout << fixed << setprecision(10);
    }
} set_io;
// ===== template.hpp =====

#ifdef DEBUGF
#include  "../new_library/other/debug.hpp"
#else
#define DBG(x) (void) 0
#endif

int main() {
    i32 n;
    cin >> n;
    Vec<i64> a(n);
    REP(i, n) {
        cin >> a[i];
    }
    
    Vec<i64> b;
    i32 cnt = 0;
    REP(i, n) {
        if (a[i] > 0) {
            b.push_back(a[i]);
        } else {
            ++cnt;
        }
    }
    if (b.size() <= 1) {
        cout << "Yes\n";
        exit(0);
    }
    
    sort(ALL(b));
    
    Vec<i64> diff(b.size() - 1);
    REP(i, b.size() - 1) {
        diff[i] = b[i + 1] - b[i];
    }
    
    if (count(ALL(diff), 0) == diff.size()) {
        cout << "Yes\n";
        exit(0);
    }
    for (i64 d : diff) {
        if (d == 0) {
            cout << "No\n";
            exit(0);
        }
    }
    i64 g = diff[0];
    REP(i, 1, diff.size()) {
        g = gcd(g, diff[i]);
    }
    
    i64 need = 0;
    for (i64 d : diff) {
        need += d / g - 1;
    }
    
    cout << (need <= cnt ? "Yes\n" : "No\n");
}
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