이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
// Calm down.
// Think three times, code twice.
#include "bits/stdc++.h"
#define forr(_a,_b,_c) for(int _a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <int,int>
#define pll pair <ll,ll>
#define piii pair <int,pii>
#define vi vector <int>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define mask(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
#define file "test"
using namespace std;
const int N = 2e5 + 5;
const int mod = 1e9 + 7; // 998244353
const ll oo = 1e18;
ll n, m;
ll a[N];
void to_nho_cau() {
cin >> n >> m;
vector<ll> f; f.pb((ll)-1);
int ans = 0;
forr(i, 1, n) {
cin >> a[i];
if(i == 1 && a[i] > m) {
f.pb(m); f.pb(2 * m);
ans++;
} else f.pb(a[i]); f.pb(a[i] + m);
}
forr(i, 1, 2 * n) {
if(i % 2 == 0 && i != 2 * n) {
if(f[i] < f[i+1]) ans++;
}
}
cout << ans << "\n";
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);
#ifdef LOCAL
freopen(file".inp","r",stdin);
freopen(file".out","w",stdout);
#endif
int t = 1;
//cin >> t;
while(t--) to_nho_cau();
}
/*
1.self check:
2.long long
3.size of array
4.code for testing
5.initializing
6.modulo number
*/
/**
∧__∧
(`•ω• )づ__∧
(つ /( •ω•。)
しーJ (nnノ) pat pat
**/
/** /\_/\
* (= ._.)
* / >☕ \>💻
**/
컴파일 시 표준 에러 (stderr) 메시지
triusis.cpp:74:9: warning: "/*" within comment [-Wcomment]
74 | /** /\_/\
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