Submission #127345

#	Time	Username	Problem	Language	Result	Execution time	Memory
127345		Osama_Alkhodairy	Martian DNA (IOI16_dna)	C++17	36 / 100	18 ms	524 KiB

dna

#include <bits/stdc++.h>
#include "dna.h"
//~ #include "grader.cpp"
using namespace std;

std::string analyse(int n, int t) {
    string ret;
    while(1){
        string cur = ret;
        cur += '0';
        if(make_test(cur)) ret += '0';
        else{
            cur.pop_back();
            cur += '1';
            if(make_test(cur)) ret += '1';
            else break;
        }
    }
    while(ret.size() != n){
        string cur = '0' + ret;
        if(make_test(cur)) ret = '0' + ret;
        else ret = '1' + ret;
    }
    return ret;
}

Compilation message (stderr)

dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(ret.size() != n){
           ~~~~~~~~~~~^~~~
grader.cpp: In function 'bool make_test(std::__cxx11::string)':
grader.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < p.size(); i++) {
                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 1; i <= ss.size(); i++) {
                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (pr[i] == p.size()) {

• Subtask 1: 11 / 11
• Subtask 2: 25 / 25
• Subtask 3: 0 / 64