제출 #470064

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
470064		MohamedFaresNebili	케이크 (CEOI14_cake)	C++14	15 / 100	2099 ms	4372 KiB

cake

#include <bits/stdc++.h>

using namespace std;

using ll  = long long;
using ld  = long double;
using vl  = vector<long long>;

#define pb push_back
#define pp pop_back
#define ff first
#define ss second
#define lb lower_bound
#define ub upper_bound
#define all(x) (x).begin() , (x).end()

const ll MOD = 998244353;
const long double EPS = 0.000000001;
const double PI = 3.14159265358979323846;

int32_t main()
{
    ios::sync_with_stdio(0); cin.tie(0);cout.tie(0);
    ll n, m, q; cin>>n>>m; ll arr[n+2]; arr[0]=INT_MAX, arr[n+1]=INT_MAX;
    for(int l=1;l<=n;l++) cin>>arr[l];
    cin>>q; vector<bool> edge(n+2, false); edge[m]=true;
    ll l=m-1, r=m+1, next=m; ll ans[n+2]{0}, res=0;
    while(l>=1||r<=n) {
        if(arr[l]<arr[r]) next=l--;
        else next=r++;
        ans[next]=++res;
    }
    while(q--) {
        char ch; cin>>ch;
        if(ch=='F') {
            ll a; cin>>a;
            cout<<ans[a]<<'\n';
        }
        else if(ch=='E') {
            ll a, b; cin>>a>>b;
            for(int l=1;l<=n;l++) {
                if(l==a) continue;
                if(n-arr[l]+1>=b&&n-arr[l]+1<n-arr[a]+1) arr[l]--;
            }
            arr[a]=n-b+1;
        }
        l=m-1, r=m+1, next=m; ll res=0;
        while(l>=1||r<=n) {
            if(arr[l]<arr[r]) next=l--;
            else next=r++;
            ans[next]=++res;
        }
    }
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50