Submission #1108507

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108507		Turkhuu	Martian DNA (IOI16_dna)	C++17	36 / 100	7 ms	592 KiB

dna

#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
string analyse(int n, int t) {
    string s;
    while (1) {
        if (make_test(s + "0")) {
            s += "0";
        } else if (make_test(s + "1")) {
            s += "1";
        } else {
            break;
        }
    }
    while (s.size() < n) {
        if (make_test("0" + s)) {
            s = "0" + s;
        } else {
            s = "1" + s;
        }
    }
    return s;
}

Compilation message (stderr)

dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:15:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   15 |     while (s.size() < n) {
      |            ~~~~~~~~~^~~
grader.cpp: In function 'bool make_test(std::string)':
grader.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < p.size(); i++) {
      |                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 1; i <= ss.size(); i++) {
      |                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (pr[i] == p.size()) {

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