Submission #34484

#	Time	Username	Problem	Language	Result	Execution time	Memory
34484		top34051	Martian DNA (IOI16_dna)	C++14	0 / 100	16 ms	2016 KiB

dna

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

string s;

bool ask() {
    return make_test(s);
}

string analyse(int n, int t) {
    while(1) {
        s = s + '0';
        if(!ask()) s[s.size()-1] = '1';
        if(!ask()) break;
    }
    while(1) {
        s = '0' + s;
        if(!ask()) s[0] = '1';
        if(!ask()) break;
    }
    return s;
}

Compilation message (stderr)

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