Submission #282688

#	Time	Username	Problem	Language	Result	Execution time	Memory
282688		peti1234	Combo (IOI18_combo)	C++17	5 / 100	1 ms	200 KiB

combo

#include <iostream>
#include "combo.h";
using namespace std;
string s, p;
int x, y;
char a='A', b='B', c='X';
/*int press(string s) {
    cout.flush() << s << endl;
    int a;
    cin >> a;
    return a;
}*/
string guess_sequence(int n) {
    x=press("AB");
    y=press("AX");
    if (x && y) s+=a, a='Y';
    if (x && !y) s+=b, b='Y';
    if (!x && y) s+=c, c='Y';
    if (!x && !y) s+='Y';
    for (int i=1; i<n-1; i++) {
        p=s+a+a+s+a+b+s+a+c+s+b;
        x=press(p);
        if (x==i+2) s+=a;
        if (x==i+1) s+=b;
        if (x==i) s+=c;
    }
    p=s+a;
    x=press(p);
    p=s+b;
    y=press(p);
    if (x>y) s+=a;
    if (y>x) s+=b;
    if (x==y) s+=c;
    return s;
}
/*
int main() {
    int f;
    cin >> f;
    guess_sequence(f);
    return 0;
}
*/

Compilation message (stderr)

combo.cpp:2:19: warning: extra tokens at end of #include directive
    2 | #include "combo.h";
      |                   ^

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