Submission #372738

#	Time	Username	Problem	Language	Result	Execution time	Memory
372738		Carmel_Ab1	Combo (IOI18_combo)	C++17	30 / 100	39 ms	436 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"
//#include "grader.cpp"
using namespace std;
string guess_sequence(int n) {
    string ans;
    while(ans.size()!=n){
        for(char c:"ABXY") {
            if(!ans.empty() && (ans[0]==c || c==ans.back()))continue;
            int res=press(ans+string(n-ans.size(),c));
            if(res>ans.size()){
                ans+=string(res-ans.size(),c);
                break;
            }
        }
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    7 |     while(ans.size()!=n){
      |           ~~~~~~~~~~^~~
combo.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |             if(res>ans.size()){
      |                ~~~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95