이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "robot.h"
#include <bits/stdc++.h>
using namespace std;
int op=10000;
void choose(int len,vector<int>&pos,vector<int>&taken)
{
if(len==0)
{
//new eval
if(taken[2]==-2 and taken[3]==-2)
{
set_instruction(taken,1,'T');
}
else
{
if(taken[3]==0)
{
set_instruction(taken,1,'E');
}
else if(taken[2]==0)
{
set_instruction(taken,1,'S');
}
else if(taken[1]==0)
{
set_instruction(taken,1,'W');
}
else{
set_instruction(taken,1,'N');
}
}
return;
// prev eval
if(taken[0]<0)return;
int mx=100,mi=-1;
char tp='?',lp='?';
string dir="FWSEN";;
for(int i=1;i<taken.size();i++)
{
if(taken[i]<0)continue;
if(taken[i]==(taken[0]-1))
lp=dir[i];
if(taken[i]>=0 and taken[i]<mx)
{
mx=taken[i];
tp=dir[i];
}
}
if(taken[2]==-2 and taken[3]==-2)
{
set_instruction(taken,1,'T');
}
else
{
if(lp!='?')
{
set_instruction(taken,taken[0],lp);
}
else if(tp!='?')
{
if((taken[0]+1)<=19)
set_instruction(taken,taken[0]+1,tp);
}
}
return;
}
for(auto i:pos)
{
taken.push_back(i);
choose(len-1,pos,taken);
taken.pop_back();
}
}
void program_pulibot()
{
vector<int> states = {-1,-2};
for(int i=0;i<=19;i++)
states.push_back(i);
vector<int> tp;
choose(5,states,tp);
// set_instruction({0, -2, -1, 0, -2}, 1, 'E');
// set_instruction({0, 1, -1, 0, -2}, 1, 'E');
// set_instruction({0, 1, 0, -2, -2}, 1, 'S');
// set_instruction({0, -1, -2, -2, 1}, 1, 'T');
}
컴파일 시 표준 에러 (stderr) 메시지
robot.cpp: In function 'void choose(int, std::vector<int>&, std::vector<int>&)':
robot.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | for(int i=1;i<taken.size();i++)
| ~^~~~~~~~~~~~~
robot.cpp:35:20: warning: unused variable 'mi' [-Wunused-variable]
35 | int mx=100,mi=-1;
| ^~
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