Submission #228368

#	Time	Username	Problem	Language	Result	Execution time	Memory
228368		hhh07	Combo (IOI18_combo)	C++14	5 / 100	1031 ms	732 KiB

combo

#include <iostream>
#include <vector>
#include <algorithm>
#include "combo.h"

using namespace std;

string napravi(string curr, char x, int n){
    string res = "";
    int j = 0;
    for (int i = 0; i < 4*n; i++){
        if (j < curr.length()){
            res += curr[j];
            j++;
        }
        else{
            res += x;
            j = 0;
        }
    }
    return res;
}

string rez(string s, int x){
    string y = "";
    for (int i = 0; i < x; i++)
        y += s[i];
    return y;
}

string maks(string a, string b, string x, string y){
    if (a.length() > b.length() && a.length() > x.length() && a.length() > y.length())
        return a;
    if (b.length() > a.length() && b.length() > x.length() && b.length() > y.length())
        return b;
    if (x.length() > a.length() && x.length() > y.length() && x.length() > b.length())
        return x;
    return y;
}

string guess_sequence(int n){
    
    string curr = "";
    while(curr.length() < n){
        string a = rez(napravi(curr, 'A', n), press(napravi(curr, 'A', n)));
        string x = rez(napravi(curr, 'X', n), press(napravi(curr, 'X', n)));
        string y = rez(napravi(curr, 'Y', n), press(napravi(curr, 'Y', n)));
        string b = rez(napravi(curr, 'B', n), press(napravi(curr, 'B', n)));
        curr = maks(a, b, x, y);
    }
    return curr;
}

Compilation message (stderr)

combo.cpp: In function 'std::string napravi(std::string, char, int)':
combo.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |         if (j < curr.length()){
      |             ~~^~~~~~~~~~~~~~~
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:44:25: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |     while(curr.length() < n){
      |           ~~~~~~~~~~~~~~^~~

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