이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
using namespace std;
#define debug(x) cout << '[' << #x << " is: " << x << "] " << endl;
#define inF freopen("cardgame.in" , "r" , stdin);
#define outF freopen("cardgame.out" , "w" , stdout);
#define imod(a , n) (a % n + n ) % n
#define sor(v) sort(v.begin() , v.end());
#define print(v) for(auto f : v ) cout << f << " " ;
#define rsor(v) sort(v.rbegin() , v.rend());
#define rev(v) reverse(v.begin() , v.end());
#define scan(v)for(auto &it : v)cin >> it ;
#define ll long long
#define logar(x , y) log(x) / log(y)
#define __sum(n) n * (n + 1) / 2
#define __lcm(a , b) a / __gcd(a , b) * b
#define pii pair<int , int >
#define fastio ios_base::sync_with_stdio(false);cin.tie(0);
#define int ll
const int N = 3e5 + 5 , M = N * 4 , MX = 2e4 + 40;
const ll MOD = 998244353 , oo = 1e9 + 9 , OO = 1e18 , mod = MOD ;
const double pi = acos(-1) , eps = 1e-17 ;
int di[] = {1 , -1 , 0 , 0};
int dj[] = {0 , 0 , 1 , -1};
ll dp[200005] , dp2[200005];
int32_t main()
{
// inF;
// inF;outF;
fastio;
//Welcome back without <TAWJIHI>
int n;
cin >> n ;
vector<int> v(n);
for(auto &it : v)cin >> it ;
int mn = 1e9 ;
// asc or desc
ll sum = 0 ;
ll past = v[0] - 1 ;
for(int i = 0 ; i < n ; i ++){
if(past >= v[i] + sum){
sum += -v[i] + -sum + past + 1 ;
}
dp[i] = sum ;
past = v[i] + sum ;
}
past = v.back() - 1 , sum = 0 ;
for(int i = n - 1 ; i >= 0 ; i --){
if(past >= v[i] + sum)
sum += -v[i] + -sum + past + 1 ;
dp2[i] = sum;
past = v[i] + sum;
mn = min(mn , dp2[i] + dp[i]);
}
cout << mn ;
}
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