Submission #400158

#	Time	Username	Problem	Language	Result	Execution time	Memory
400158		EJOI2019Andrew	Martian DNA (IOI16_dna)	C++14	Compilation error	0 ms	0 KiB

dna

#include "dna.h"

#include <cstdlib>

    vector<  string > vc;
    void r(int n, string s="")
    {
           if(s.lenght()==n)
            vc.push_back(s);
           else
           {

                 r(n, s+'0');
                 r(n, s+'1');
           }
    }
std::string analyse(int n, int t) {
     if(n<=4)
     {
        r(n);

           for(auto c:vc)
           {
                  if(make_test(c))
                    return c;

           }

     }
     else
     {
           r(4);
            for(auto c:vc)
            {
                 if(make_test('0'+c))
                    return '0'+c;


                 if(make_test('1'+c))
                    return '1'+c;


                 if(make_test(c+'1'))
                    return c+'1';


                 if(make_test(c+'0'))
                    return c+'0';


            }
     }
}

Compilation message (stderr)

dna.cpp:5:5: error: 'vector' does not name a type
    5 |     vector<  string > vc;
      |     ^~~~~~
dna.cpp:6:19: error: 'string' has not been declared
    6 |     void r(int n, string s="")
      |                   ^~~~~~
dna.cpp:6:30: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
    6 |     void r(int n, string s="")
      |                              ^
      |                              |
      |                              const char*
dna.cpp: In function 'void r(int, int)':
dna.cpp:8:17: error: request for member 'lenght' in 's', which is of non-class type 'int'
    8 |            if(s.lenght()==n)
      |                 ^~~~~~
dna.cpp:9:13: error: 'vc' was not declared in this scope
    9 |             vc.push_back(s);
      |             ^~
dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:20:12: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
   20 |         r(n);
      |            ^
      |            |
      |            const char*
dna.cpp:22:23: error: 'vc' was not declared in this scope; did you mean 'c'?
   22 |            for(auto c:vc)
      |                       ^~
      |                       c
dna.cpp:32:15: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
   32 |            r(4);
      |               ^
      |               |
      |               const char*
dna.cpp:33:24: error: 'vc' was not declared in this scope; did you mean 'c'?
   33 |             for(auto c:vc)
      |                        ^~
      |                        c
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()) {