Submission #980383

#	Time	Username	Problem	Language	Result	Execution time	Memory
980383		janson0109	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;

string guess_sequence(int N) {
    string p = "";
    string pos;
    if(press("AB") >= 1) {
        if(press("A") == 1) {
            p += "A";
            pos = "BXY";
        } else {
            p += "B";
            pos = "AXY";
        }
    } else {
        if(press("X") == 1) {
            p += "X";
            pos = "ABY";
        } else {
            p += "Y";
            pos = "ABX";
        }
    }
    for(int i=1; i<N-1; i++) {
        string guess = p + pos[0] + pos[0] + p + pos[0] + pos[1] + p + pos[0] + pos[2] + p + pos[1];
        switch(press(guess)) {
            case 0:
                p += pos[2];
                break;
            case 1:
                p += pos[1];
                break;
            case 2:
                p += pos[0];
                break;
        }
    }
    if(press(p + "A" + p + "B") >= 1) {
        if(press(p + "A") == 1) {
            p += "A";
        } else {
            p += "B";
        }
    } else {
        if(press(p + "X") == 1) {
            p += "X";
        } else {
            p += "Y";
        }
    }
    return p;
}

int main() {
    return 0;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:8: error: 'press' was not declared in this scope
    7 |     if(press("AB") >= 1) {
      |        ^~~~~
combo.cpp:26:16: error: 'press' was not declared in this scope
   26 |         switch(press(guess)) {
      |                ^~~~~
combo.cpp:38:8: error: 'press' was not declared in this scope
   38 |     if(press(p + "A" + p + "B") >= 1) {
      |        ^~~~~