Submission #156661

#	Time	Username	Problem	Language	Result	Execution time	Memory
156661		killB0x	Combo (IOI18_combo)	C++14	0 / 100	1 ms	200 KiB

combo

    #include <bits/stdc++.h>
    #include <ext/pb_ds/assoc_container.hpp>
    #include <ext/pb_ds/tree_policy.hpp>
    #include "combo.h"
    using namespace std;
    using namespace __gnu_pbds;
     
    #define watch(x) cout<<(#x)<<"="<<(x)<<'\n'
    #define mset(d,val) memset(d,val,sizeof(d))
    #define setp(x) cout<<fixed<<setprecision(x)
    #define forn(i,a,b) for(int i=a;i<b;i++)
    #define fore(i,a,b) for(int i=a;i<=b;i++)
    #define pb push_back
    #define F first
    #define S second
    #define INF 2e14
    #define MOD 998244353
    #define pqueue priority_queue
    #define fbo find_by_order
    #define ook order_of_key
    typedef long long ll;
    typedef pair<ll,ll> ii;
    typedef vector<ll> vi;
    typedef vector<ii> vii;
    typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
     
    #define MAXN 100005
     
char ch[4]={'A','B','X','Y'};
     
string guess_sequence(int n){
    char x;
    string tmp;
    for(int i=0;i<4;i++)
    {
        x=ch[i];
        if(press(""+x)==1)
        {
            tmp+=x;
            break;
        }
    }
    for(int i=1;i<n;i++)
    {
        for(int j=0;j<4;j++)
        {
            if(ch[j]!=x)
            {
                if(press(tmp+ch[j])==i+1)
                {
                    tmp+=ch[j];
                    break;
                }
            }
        }
    }
    return tmp;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95