Submission #751064

#	Time	Username	Problem	Language	Result	Execution time	Memory
751064		irmuun	Sequence (BOI14_sequence)	C++17	34 / 100	12 ms	1296 KiB

sequence

#include<bits/stdc++.h>

using namespace std;
 
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define all(s) s.begin(),s.end()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll k;
    cin>>k;
    ll b[k+5];
    bool same=true;
    for(ll i=0;i<k;i++){
        cin>>b[i];
        if(i>0){
            same&=(b[i]==b[i-1]);
        }
    }
    if(k<=1000){
        for(ll i=1;i<=1000;i++){
            ll cnt=0;
            for(ll j=0;j<k;j++){
                ll n=i+j;
                bool ok=false;
                while(n>0){
                    if(n%10==b[j]){
                        ok=true;
                        break;
                    }
                    n/=10;
                }
                cnt+=(ok==true);
            }
            if(cnt==k){
                cout<<i;
                return 0;
            }
        }
    }
    ll cur=0;
    for(ll i=1;i<=1100000;i++){
        ll add=0;
        ll x=i;
        while(x>0){
            if(x%10==b[0]){
                add=1;
                break;
            }
            x/=10;
        }
        if(add==0){
            cur=0;
        }
        else{
            cur++;
            if(cur==k){
                cout<<i-k+1;
                return 0;
            }
        }
    }
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 33
• Subtask 3: 25 / 25
• Subtask 4: 0 / 33