Submission #926385

#	Time	Username	Problem	Language	Result	Execution time	Memory
926385		HaciyevAlik	Combo (IOI18_combo)	C++14	5 / 100	1 ms	344 KiB

combo

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

string guess_sequence(int N) {
    char arr[4] = {'A','B','X','Y'};
    string temp="";
    char ex;
    if(press("A")) {
        ex='A';
    } else if(press("B")) {
        ex='B';
    } else if(press("X")) {
        ex='X';
    } else {
        ex='Y';
    }
    temp += ex;
    vector<char> c;
    for(int i=0;i<4;++i) {
        if(arr[i]!=ex) c.push_back(arr[i]);
    }
    for(int i=1;i<N-1;++i) {
        string cur = temp;
        cur += c[0];
        cur += temp;
        cur += c[1]; cur+=c[0];
        cur += temp;
        cur += c[1]; cur+=c[1];
        cur += temp;
        cur += c[1]; cur+=c[2];
        int p=press(cur);
        if(p == temp.size()) {
            temp += c[2];
        } else if(p==temp.size()+1) {
            temp += c[0];
        } else {
            temp += c[1];
        }
    }
    string cur=temp;
    cur+=c[0];
    if(press(cur)==N) {
        return cur;
    }
    cur.pop_back();
    cur+=c[1];
    if(press(cur)==N){
        return cur;
    }
    cur.pop_back();
    cur+=c[2];
    return cur;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:33:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         if(p == temp.size()) {
      |            ~~^~~~~~~~~~~~~~
combo.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         } else if(p==temp.size()+1) {
      |                   ~^~~~~~~~~~~~~~~

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