Submission #535323

#	Time	Username	Problem	Language	Result	Execution time	Memory
535323		Biaz	Collecting Stamps 3 (JOI20_ho_t3)	C++14	0 / 100	0 ms	212 KiB

ho_t3

#include<bits/stdc++.h>
//#define int long long
#define pb push_back
#define ALL(x) x.begin(),x.end()
#define fi first
#define se second
#define ist insert
using namespace std;
int min(int a,int b){return a<b?a:b;}
int max(int a,int b){return a>b?a:b;}
typedef long long ll;
typedef pair<ll,ll> pii;
const int N=205;
const int MOD=1000000007;//998244353
const int INF=2147483647;//1700000000000000000

int n,L;
int a[N];
int t[N];
int tmp[N];
inline void sol(){
    cin >>n>>L;
    fill(t,t+N,-1);
    for (int i=0;i<n;i++) cin >>a[i];
    for (int i=0,k;i<n;i++) cin >>k,t[a[i]]=k;

    int ans=0;
    for (int rev=0;rev<=L;rev++){
        for (int i=0;i<=L;i++) tmp[i]=t[i];
        int tot=0,cur=0,tim=0;
        for (int i=L-1;i>=L-rev;i--){
            tim++;
            if (tmp[i]!=-1&&tmp[i]>=tim){
                tot++;tmp[i]=-1;
            }
        }
        for (int i=1;i<=rev;i++){
            tim++;
        }
        for (int i=1;i<=L;i++){
            tim++;
            if (tmp[i]!=-1&&tmp[i]>=tim){
                tot++;tmp[i]=-1;
            }
        }
        ans=max(ans,tot);
    }

    for (int rev=0;rev<=L;rev++){
        for (int i=0;i<=L;i++) tmp[i]=t[i];
        int tot=0,cur=0,tim=0;
        for (int i=1;i<=rev;i++){
            tim++;
            if (tmp[i]!=-1&&tmp[i]>=tim){
                tot++;tmp[i]=-1;
            }
        }
        for (int i=1;i<=rev;i++){
            tim++;
        }
        for (int i=L-1;i>=0;i--){
            tim++;
            if (tmp[i]!=-1&&tmp[i]>=tim){
                tot++;tmp[i]=-1;
            }
        }
        ans=max(ans,tot);
    }
    cout <<ans<<'\n';
}
signed main(){
    int _=1;
    //cin >>_;
    while (_--) sol();
    return 0;
}

Compilation message (stderr)

ho_t3.cpp: In function 'void sol()':
ho_t3.cpp:30:19: warning: unused variable 'cur' [-Wunused-variable]
   30 |         int tot=0,cur=0,tim=0;
      |                   ^~~
ho_t3.cpp:51:19: warning: unused variable 'cur' [-Wunused-variable]
   51 |         int tot=0,cur=0,tim=0;
      |                   ^~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75