Submission #198818

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
198818	2020-01-27 18:46:48	dolphingarlic	Portals (BOI14_portals)	C++14	70 / 100	1091 ms	72692 KiB

portals

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#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse4,avx2,fma,avx")
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
bool open[1002][1002];
int n, m, visited[1002][1002], to_wall[1002][1002];
pair<int, int> graph[1002][1002][8], src, dest;
inline bool has_wall(int x, int y) {
    return !(open[x - 1][y] && open[x + 1][y] && open[x][y - 1] &&
             open[x][y + 1]);
}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    FOR(i, 1, n + 1) FOR(j, 1, m + 1) {
        char c;
        cin >> c;
        if (c != '#') open[i][j] = true;
        if (c == 'S') src = {i, j};
        if (c == 'C') dest = {i, j};
    }
    FOR(i, 1, n + 1) FOR(j, 1, m + 1) {
        if (open[i - 1][j]) graph[i][j][0] = {i - 1, j};
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 19 / 19
• Subtask 5: 0 / 30