結果

問題 No.2757 Pin Game
ユーザー 👑 binap
提出日時 2024-04-30 11:40:52
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 153 ms / 2,000 ms
コード長 1,868 bytes
コンパイル時間 4,392 ms
コンパイル使用メモリ 251,800 KB
最終ジャッジ日時 2025-02-21 09:53:23
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 10
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 #
プレゼンテーションモードにする

#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<long long>> vvl;
typedef long double ld;
typedef pair<int, int> P;
ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return
    os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : "");
    return os;}
template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}
const int e9 = 1000000000;
int main(){
int n, k;
cin >> n >> k;
assert(1 <= n && n <= 300000);
assert(1 <= k && k <= e9);
vector<int> a(n);
cin >> a;
{
vector<int> a_sorted = a;
sort(a_sorted.begin(), a_sorted.end());
assert(a == a_sorted);
rep(i, n) assert(-e9 <= a[i] && a[i] <= e9);
rep(i, n - 1) assert(a[i] != a[i + 1]);
}
int ans = 0;
int before = 0;
rep(i, n){
if(i == 0){
ans++;
before = a[i];
}else{
if(a[i] < before + k) continue;
before = a[i];
ans++;
}
}
cout << ans << "\n";
return 0;
}
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