Submission #101518

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
101518	2019-03-19 03:33:10	lyc	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	1338 ms	44080 KiB

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
#define fi first
#define sc second
#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(), (x).end()
int main() {
    //freopen("in.txt", "r", stdin);
    ios::sync_with_stdio(false);
    cin.tie(0);
    int h, w; cin >> h >> w;
    string g[h];
    for (int i = 0; i < h; ++i) {
        cin >> g[i];
    }
    int dy[] = {-1, 0, 1, 0};
    int dx[] = {0, 1, 0, -1};
    bool vis[h][w]; memset(vis, 0, sizeof vis);
    int ans = 0;
    queue<ii> q[2];
    q[0].push(ii(0, 0));
    vis[0][0] = 1;
    while ((!q[0].empty()) || (!q[1].empty())) {
        for (int x = 0; x < 2; ++x) {
            if (!q[x].empty()) ++ans;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70