Submission #1240751

#	Time	Username	Problem	Language	Result	Execution time	Memory
1240751		Amaarsaa	Martian DNA (IOI16_dna)	C++20	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
#include<bits/stdc++.h>

using namespace std;
using ll = long long;

string analyse(int n, int t) {
    string str = "";
    ll lo, mid, hi, cnt;

    if ( make_test(string(n, '1'))) return string(n, '1');
    lo = 1;
    hi = n + 1;

    while (lo < hi) {
        mid = (lo + hi)/2;
        if ( !make_test(string(mid, '0'))) hi = mid;
        else lo =mid +1;
    }
    lo --;

    cnt = 0;
    while(str.size() < n) {
        string str1 = str + '1';
        if ( cnt > lo) break;
        if ( make_test(str1)) {
            str = str1;
            cnt =0;
            continue;
        }

        str1[str1.size() - 1]= '0';
        str = str1;
        cnt ++;
    }
   // if ( cnt <= lo && str.size() == n) return str;
    lo = max(str.size() - lo - 1, 1ll);
    hi = str.size() + 1;

    while (lo < hi) {
        mid = (lo + hi)/2;
        string str1 = str.substr(0, mid);
        if ( make_test(str1)) lo = mid + 1;
        else hi = mid;
    }
    lo --;

    str = str.substr(0, lo);
    while (str.size() < n) {
        string str1 = "1" + str;
        if ( !make_test(str1)) str1[0] = '0';
        str = str1;
    }
    return str;
}

Compilation message (stderr)

dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:37:13: error: no matching function for call to 'max(long long unsigned int, long long int)'
   37 |     lo = max(str.size() - lo - 1, 1ll);
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/string:40,
                 from dna.h:3,
                 from dna.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
dna.cpp:37:13: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'long long int')
   37 |     lo = max(str.size() - lo - 1, 1ll);
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/string:40,
                 from dna.h:3,
                 from dna.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
dna.cpp:37:13: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'long long int')
   37 |     lo = max(str.size() - lo - 1, 1ll);
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from dna.h:3,
                 from dna.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
dna.cpp:37:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   37 |     lo = max(str.size() - lo - 1, 1ll);
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from dna.h:3,
                 from dna.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
dna.cpp:37:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   37 |     lo = max(str.size() - lo - 1, 1ll);
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
dna.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~