Submission #1060241

#	Time	Username	Problem	Language	Result	Execution time	Memory
1060241		n1k	Robot Contest (IOI23_robot)	C++17	72 / 100	142 ms	6228 KiB

robot

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

using namespace std;

// (2, west), (3, sout), (4, eatst), (5, north)

map<int, int> op = {
    {2, 4},
    {3, 5},
    {4, 2},
    {5, 3}
};

string dir = "  WSEN";

void program_pulibot(){
    auto findp = [&](auto state){
        int curdir = 0;
        for(int cur=1; cur<=4; cur++){
            if(state[cur]==op[cur+1]){
                curdir=cur+1;
            }
        }
        return curdir;
    };
    auto findany = [&](auto state){
        int curdir = 0;
        for(int cur=1; cur<=4; cur++){
            if(2<=state[cur] and state[cur]<=5){
                curdir=cur+1;
            }
        }
        return curdir;
    };
    for(int i1=0; i1<7; i1++){
    for(int i2=-2; i2<7; i2++){
    for(int i3=-2; i3<7; i3++){
    for(int i4=-2; i4<7; i4++){
    for(int i5=-2; i5<7; i5++){
        vector<int> state = {i1, i2, i3, i4, i5};
        int cnt1 = 0, cnt6 = 0, dir1 = 0, dir6 = 0;
        for(int d=1; d<=4; d++){
            if(state[d]==1){
                cnt1++;
                dir1=d+1;
            }
            if(state[d]==6){
                cnt6++;
                dir6=d+1;
            }
        }
        if(cnt6){
            if(state[1]==-2 and state[4]==-2){
                if(findp(state))
                    set_instruction(state, 6, dir[findp(state)]);
                else
                    set_instruction(state, 1, dir[dir6]);
            }else if(cnt6==1){
                if(findp(state)){
                    set_instruction(state, 6, dir[findp(state)]);
                }else{
                    if(cnt1){
                        if(findany(state)){
                            set_instruction(state, 6, dir[findany(state)]);
                        }else{
                            set_instruction(state, 1, dir[dir6]);
                        }
                    }else{
                        set_instruction(state, 0, dir[dir6]);
                    }
                }
            }else if(cnt6==2){
                if(2<=state[0] and state[0]<=5)
                    set_instruction(state, 0, dir[state[0]]);
            }
        }else if(cnt1){
            if(state[2]==-2 and state[3]==-2){
                set_instruction(state, 1, 'T');
            }
        }else{
           if(state[0]==0){
                if(state[2]==-2 and state[3]==-2){
                    if(findp(state))
                        set_instruction(state, 6, dir[findp(state)]);
                }else if(state[1]==-2 and state[4]==-2){
                    set_instruction(state, 2, 'H');
                }else{
                    if(findp(state)){
                        set_instruction(state, findp(state), dir[findp(state)]);
                    }
                }
           }else{
                //walk
                int next = (state[0] - 2 + 1)%4 + 2;
                if(state[next-1]==op[next] or state[next-1]==0){
                    set_instruction(state, next, dir[next]);
                }else{
                    set_instruction(state, next, 'H');
                }
           }
        }
        // start
        // no adjacent
        // C5
        // C6
    }
    }
    }
    }
    }
}

Compilation message (stderr)

robot.cpp: In function 'void program_pulibot()':
robot.cpp:42:33: warning: variable 'dir1' set but not used [-Wunused-but-set-variable]
   42 |         int cnt1 = 0, cnt6 = 0, dir1 = 0, dir6 = 0;
      |                                 ^~~~

• Subtask 0: 0 / 0
• Subtask 1: 3 / 6
• Subtask 2: 5 / 10
• Subtask 3: 18 / 18
• Subtask 4: 10 / 20
• Subtask 5: 36.000000002200004 / 46