Submission #342827

#	Time	Username	Problem	Language	Result	Execution time	Memory
342827		FlashGamezzz	Martian DNA (IOI16_dna)	C++11	36 / 100	15 ms	512 KiB

dna

#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <fstream>
#include <algorithm>
#include <stack>
#include <string>
#include "dna.h"

using namespace std;

string analyse(int n, int t) {
	if (make_test("0")){
		string s = "0"; int i = 1;
		while (i < n){
			if (make_test(s+"0")){
				s+="0";
			} else if (make_test(s+"1")){
				s+="1";
			} else {
				break;
			}
			i++;
		}
		while (i < n){
			if (make_test("0"+s)){
				s = "0"+s;
			} else {
				s = "1"+s;
			}
			i++;
		}
		return s;
	} else {
		string ret = "";
		for (int i = 0; i < n; i++){
			ret += "1";
		}
		return ret;
	}
}

Compilation message (stderr)

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