Submission #407108

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
407108	2021-05-18 13:28:58	iulia13	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	954 ms	131044 KiB

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#include <iostream>
#include <map>
#include <vector>
#include <deque>
using namespace std;
const int N = 4005;
char a[N][N];
int lvl[N][N];
int ans = 0;
int dL[4] = {0, 1, 0, -1};
int dC[4] = {1, 0, -1, 0};
struct NOD{
    int x, y;
};
deque <NOD> dq;
int main()
{
    int n, m, i, j;
    cin >> n >> m;
    for (i = 1; i <= n; i++)
        cin >> a[i] + 1;
    dq.push_back({1, 1});
    lvl[1][1] = 1;
    while (!dq.empty())
    {
        int x = dq.front().x;
        int y = dq.front().y;
        ans = max(ans, lvl[x][y]);
        dq.pop_front();
        for (i = 0; i < 4; i++)
 
 
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Compilation message (stderr)

tracks.cpp: In function 'int main()':
tracks.cpp:21:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   21 |         cin >> a[i] + 1;
      |                ~~~~~^~~
tracks.cpp:18:18: warning: unused variable 'j' [-Wunused-variable]
   18 |     int n, m, i, j;
      |                  ^

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