Submission #139584

#TimeUsernameProblemLanguageResultExecution timeMemory
139584Bazarkuly2003Combo (IOI18_combo)C++14
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> //#include<string> //#include<cmath> //#include<conio.h> #define ll long long using namespace std; ll n,m; string s,q,t; namespace { constexpr int MAX_N = 2000; constexpr int MAX_NUM_MOVES = 8000; int N; std::string S; int num_moves; void wrong_answer(const char *MSG) { printf("Wrong Answer: %s\n", MSG); exit(0); } } // namespace int press(std::string p) { if (++num_moves > MAX_NUM_MOVES) { wrong_answer("too many moves"); } int len = p.length(); if (len > 4 * N) { wrong_answer("invalid press"); } for (int i = 0; i < len; ++i) { if (p[i] != 'A' && p[i] != 'B' && p[i] != 'X' && p[i] != 'Y') { wrong_answer("invalid press"); } } int coins = 0; for (int i = 0, j = 0; i < len; ++i) { if (j < N && S[j] == p[i]) { ++j; } else if (S[0] == p[i]) { j = 1; } else { j = 0; } coins = std::max(coins, j); } return coins; } int main(){ ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); cin>>n; if(press("A")==1){s="A";q="BXY";}else if(press("B")==1){s="B";q="AXY";}else if(press("X")==1){s="X";q="ABY";}else{s="Y";q="ABX";} t=s+q[0]+q[0]+s+q[0]+q[1]+s+q[0]+q[2]+s+q[1]; while(s.size()<n){ m=press(t); if(m==s.size()+0)s+=q[2];else if(m==s.size()+1)s+=q[1];else s+=q[0];} cout<<s; }

Compilation message (stderr)

combo.cpp: In function 'int main()':
combo.cpp:64:15: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   64 | while(s.size()<n){
      |       ~~~~~~~~^~
combo.cpp:66:5: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 | if(m==s.size()+0)s+=q[2];else
      |    ~^~~~~~~~~~~~
combo.cpp:67:5: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 | if(m==s.size()+1)s+=q[1];else s+=q[0];}
      |    ~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccV8hOnU.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccMOQN9Q.o:combo.cpp:(.text+0x230): first defined here
/usr/bin/ld: /tmp/ccV8hOnU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccMOQN9Q.o:combo.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccV8hOnU.o: in function `main':
grader.cpp:(.text.startup+0x4c): undefined reference to `guess_sequence[abi:cxx11](int)'
collect2: error: ld returned 1 exit status