제출 #388295

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
388295	2021-04-10 19:49:12	Monchito	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	1458 ms	101784 KiB

tracks

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <iostream>
#include <vector>
#include <deque>
#include <algorithm>
using namespace std;
using ii = pair<int,int>;
int xd[] = {1,-1,0,0}, yd[] = {0,0,1,-1};
#define forn(i, x, n) for(int i = (x); i < (int)(n); i++)
const int MAXS = 4000;
int N, M;
char G[MAXS][MAXS];
bool inside(int i, int j){
    return (i > -1 && j > -1 && i < N && j < M && G[i][j] != '.'); 
}
int main(){
    scanf("%d%d",&N,&M); 
    forn(i,0,N) forn(j,0,M) scanf(" %c",&G[i][j]);
    deque<pair<ii, int>> Q;
    vector<vector<bool>> vis(N, vector<bool>(M, false));
    int ans=0;
    Q.push_front({{0,0},1});
    while(!Q.empty()){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

tracks.cpp: In function 'int main()':
tracks.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |     scanf("%d%d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~
tracks.cpp:22:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 |     forn(i,0,N) forn(j,0,M) scanf(" %c",&G[i][j]);
      |                             ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70