Submission #282013

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2820132020-08-23 19:08:07ec1117Combo (IOI18_combo)C++17
100 / 100
42 ms628 KiB
#include "bits/stdc++.h"
#include "combo.h"
using namespace std;
#define pb push_back
#define mp make_pair
int x;
string guess_sequence(int N){
string cur="";
if(press("AB")>0){
if(press("A")==1)cur="A";
else cur="B";
}
else{
if(press("X")==1)cur="X";
else cur="Y";
}
vector<char> vec{'A','B','X','Y'};
for(int i=0;i<4;i++){
if(vec[i]==cur[0]){
vec.erase(vec.begin()+i);
break;
}
}
while(cur.size()<N){
if(cur.size()==N-1){
if(press(cur+vec[0])==N){
return cur+vec[0];
}
else if(press(cur+vec[1])==N){
 
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Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:25:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |     while(cur.size()<N){
      |           ~~~~~~~~~~^~
combo.cpp:26:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |         if(cur.size()==N-1){
      |            ~~~~~~~~~~^~~~~
combo.cpp:40:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |             if(x==cur.size()+2){
      |                ~^~~~~~~~~~~~~~
combo.cpp:43:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |             else if(x==cur.size()+1){
      |                     ~^~~~~~~~~~~~~~
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