제출 #848087

#제출 시각아이디문제언어결과실행 시간메모리
848087I_love_Hoang_Yen로봇 대회 (IOI23_robot)C++17
34 / 100
119 ms7128 KiB
#include "robot.h" #include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a),_##i##_b=(b); i<=_##i##_b; i++) void subtask1() { FOR(cur,0,1) FOR(west,-2,1) FOR(south,-2,1) FOR(east,-2,1) FOR(north,-2,1) { vector<int> state {cur, west, south, east, north}; if (south == -2 && east == -2) { // final state -> terminate set_instruction(state, 1, 'T'); } else if (east == -2) { set_instruction(state, 1, 'S'); } else { set_instruction(state, 1, 'E'); } } } void subtask2() { FOR(cur,0,1) FOR(west,-2,1) FOR(south,-2,1) FOR(east,-2,1) FOR(north,-2,1) { vector<int> state {cur, west, south, east, north}; if (south == -2 && east == -2) { // final state -> terminate set_instruction(state, 1, 'T'); } else if (east == 0) { set_instruction(state, 1, 'E'); } else if (south == 0) { set_instruction(state, 1, 'S'); } else if (north == 0) { set_instruction(state, 1, 'N'); } } } void subtask3() { const int MAX_COLOR = 10; const int BOUNDARY = -2; const int BLOCKED = -1; const int FINAL = 1; const int TRY_EAST = 2; const int TRY_SOUTH = 3; const int TRY_WEST = 4; const int TRY_NORTH = 5; const int BACKTRACK = 10; #define SET(color, action) { set_instruction(state, color, action); continue; } FOR(cur,0,MAX_COLOR) FOR(west,-2,MAX_COLOR) FOR(south,-2,MAX_COLOR) FOR(east,-2,MAX_COLOR) FOR(north,-2,MAX_COLOR) { vector<int> state {cur, west, south, east, north}; // Found target if ((south == BOUNDARY && east == BOUNDARY) || west == FINAL || south == FINAL || east == FINAL || north == FINAL) { if (north > 1) SET(FINAL, 'N'); if (west > 1) SET(FINAL, 'W'); if (south > 1) SET(FINAL, 'S'); if (east > 1) SET(FINAL, 'E'); SET(FINAL, 'T'); } if (cur == 0) SET(TRY_EAST, 'H'); if (cur == TRY_EAST) SET(TRY_SOUTH, east == 0 ? 'E' : 'H'); if (cur == TRY_SOUTH) SET(TRY_WEST, south == 0 ? 'S' : 'H'); if (cur == TRY_WEST) SET(TRY_NORTH, west == 0 ? 'W' : 'H'); if (cur == TRY_NORTH) SET(BACKTRACK, north == 0 ? 'N' : 'H'); if (cur == BACKTRACK) { if (north > 0) SET(0, 'N'); if (west > 0) SET(0, 'W'); if (south > 0) SET(0, 'S'); if (east > 0) SET(0, 'E'); } } } void program_pulibot() { subtask3(); }

컴파일 시 표준 에러 (stderr) 메시지

robot.cpp: In function 'void subtask3()':
robot.cpp:39:15: warning: unused variable 'BLOCKED' [-Wunused-variable]
   39 |     const int BLOCKED = -1;
      |               ^~~~~~~
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