제출 #104095

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
104095	2019-04-04 02:42:08	Erkhemkhuu	Mecho (IOI09_mecho)	C++17	100 / 100	270 ms	6528 KiB

mecho

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
int movex[4] = {-1, 0, 1, 0};
int movey[4] = {0, 1, 0, -1};
char maps[805][805];
int beeStep[805][805], meStep[805][805], n, Mx, My, s, Dx, Dy;
queue <pair <int, int> > bee, me;
inline bool check(int x, int y) {
  if(x >= 0 && x < n && y >= 0 && y < n) return true;
  return false;
}
inline bool can(int mid) {
  if(mid >= beeStep[Mx][My]) return false;
  int curx, cury, i, j, i1, movexx, moveyy;
  memset(meStep, -1, sizeof(meStep));
  me.push(mp(Mx, My));
  meStep[Mx][My] = 0;
  while(!me.empty()) {
    curx = me.front().F;
    cury = me.front().S;
    me.pop();
    for(i = 0; i < 4; i++) {
      movexx = movex[i] + curx;
      moveyy = movey[i] + cury;
      if(check(movexx, moveyy) && maps[movexx][moveyy] == 'D') {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

mecho.cpp: In function 'bool can(int)':
mecho.cpp:19:21: warning: unused variable 'j' [-Wunused-variable]
  int curx, cury, i, j, i1, movexx, moveyy;
                     ^
mecho.cpp:19:24: warning: unused variable 'i1' [-Wunused-variable]
  int curx, cury, i, j, i1, movexx, moveyy;
                        ^~
mecho.cpp: In function 'int main()':
mecho.cpp:72:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if((check(movexx, moveyy) && maps[movexx][moveyy] == 'G' || maps[movexx][moveyy] == 'M') && beeStep[movexx][moveyy] == -1) {
        ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mecho.cpp:47:30: warning: unused variable 'curstep' [-Wunused-variable]
  int i, j, l, r, curx, cury, curstep, movexx, moveyy, mid;
                              ^~~~~~~

• Subtask 1: 100 / 100