提出 #63240541

ソースコード 拡げる

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define rep(i, n) for(ll i=0; i<n; i++)
#define srep(i, s, n) for(ll i=s; (s<=n ? i<n : i>n); i+=(s<=n)*2-1)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define vout(v) {for(auto x: v){cout << x << " ";} cout << endl;}
ll INF = 9223372036800000000;
int inf = 1<<30;
template <typename A = string,
typename B = string, 
typename C = string, 
typename D = string, 
typename E = string>
void dout(A a = "", B b = "", C c = "", D d = "", E e = ""){
    cout << a << " " << b << " " << c << " " << d << " " << e << endl;
    return;
 
 
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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;

#define rep(i, n) for(ll i=0; i<n; i++)
#define srep(i, s, n) for(ll i=s; (s<=n ? i<n : i>n); i+=(s<=n)*2-1)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define vout(v) {for(auto x: v){cout << x << " ";} cout << endl;}
ll INF = 9223372036800000000;
int inf = 1<<30;

template <typename A = string,
typename B = string, 
typename C = string, 
typename D = string, 
typename E = string>
void dout(A a = "", B b = "", C c = "", D d = "", E e = ""){
    cout << a << " " << b << " " << c << " " << d << " " << e << endl;
    return;
}

int main(){
    ll n; cin >> n;
    vector<ll> arr(n); rep(i, n) cin >> arr[i];
    bool flag = true;
    rep(i, n-1){
        if(arr[i] >= arr[i+1]) flag = false;
    }
    if(flag) dout("Yes");
    else dout("No");
}

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ジャッジ結果