Submission #298622

#	Time	Username	Problem	Language	Result	Execution time	Memory
298622		AmineTrabelsi	Combo (IOI18_combo)	C++14	10 / 100	104 ms	556 KiB

combo

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define v(x) vector<x>
#define pb push_back 
#define mp make_pair
const ll maxint=2e18;
const ll minint =-2e18;
/*
(͡ ° ͜ʖ ͡ °): Hi, be careful of overflow.
*/


int press(string p);
/*
// comment out when submitting
int press(string p){
	cout<<p<<endl;
	int x;
	cin>>x;
	return x;
}
*/
string let[4]={"A","B","X","Y"};
// the first character of S never reappears in it
string guess_sequence(int N){
	string res ="";
	int cnt = 0;
	int avoid = 0;
	for(int j=0;j<4;j++){
		int x = press((res+let[j]));
		if(x == cnt+1){
			res+=let[j];
			cnt++;
			avoid = j;
			break;
		}
	}
	for(int i=1;i<N;i++){
		for(int j=0;j<4;j++){
			if(j != avoid);
			int x = press((res+let[j]));
			if(x == cnt+1){
				res+=let[j];
				cnt++;
				break;
			}
		}
	}
	return res;	
}
// comment out when submitting
/*
int main(){
	int n;
	cin>>n;
	cout<<guess_sequence(n)<<'\n';
	return 0;
}
*/

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