Submission #534456

#	Time	Username	Problem	Language	Result	Execution time	Memory
534456		MrDeboo	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
// #define int long long
using namespace std;
std::string guess_sequence(int n) {
    srand(time(NULL));
    char f[]={'A','B','X','Y'};
    string s;
    vector<char>ve;
    for(auto &i:f)ve.push_back(i);
    vector<char>v=ve;
    int cnt=0;
    while(s.size()!=n){
        bool bl=0;
        map<char,bool>mp;
        cnt++;
        for(int w=0;w<v.size()-1;w++){
            string G;
            G+=v[w];
            for(int i=0;i<min(50,4*n-s.size());i++){
                if(s.size()==0){
                    char a=ve[rand()%ve.size()];
                    while(a==G[0]){
                        a=ve[rand()%ve.size()];
                    }
                }
                else G+=ve[rand()%ve.size()];
            }
            int k=press(s+G);
            if(k>s.size()){
                int F=s.size();
                if(k!=G.size()+F)mp[G[k-s.size()]]=1;
                for(int i=0;i<k-F;i++){
                    s+=G[i];
                }
                bl=1;
                break;
            }
        }
        if(!bl)s+=v.back();
        if(cnt==1){
            vector<char>a;
            for(auto i:ve)if(i!=s[0])a.push_back(i);
            ve=a;
        }
        vector<char>V;
        for(auto i:ve)if(!mp[i])V.push_back(i);
        v=V;
    }
    return s;
  // std::string p = "";
  // for (int i = 0; i < 4 * N; ++i) {
  //   p += 'A';
  // }
  // int coins = press(p);
  // std::string S = "";
  // for (int i = 0; i < N; ++i) {
  //   S += 'A';
  // }
  // return S;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:13:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |     while(s.size()!=n){
      |           ~~~~~~~~^~~
combo.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         for(int w=0;w<v.size()-1;w++){
      |                     ~^~~~~~~~~~~
combo.cpp:20:46: error: no matching function for call to 'min(int, std::__cxx11::basic_string<char>::size_type)'
   20 |             for(int i=0;i<min(50,4*n-s.size());i++){
      |                                              ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/string:40,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
combo.cpp:20:46: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   20 |             for(int i=0;i<min(50,4*n-s.size());i++){
      |                                              ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/string:40,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
combo.cpp:20:46: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   20 |             for(int i=0;i<min(50,4*n-s.size());i++){
      |                                              ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
combo.cpp:20:46: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |             for(int i=0;i<min(50,4*n-s.size());i++){
      |                                              ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from combo.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
combo.cpp:20:46: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |             for(int i=0;i<min(50,4*n-s.size());i++){
      |                                              ^
combo.cpp:30:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |             if(k>s.size()){
      |                ~^~~~~~~~~
combo.cpp:32:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |                 if(k!=G.size()+F)mp[G[k-s.size()]]=1;
      |                    ~^~~~~~~~~~~~