Submission #1097181

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1097181	2024-10-06 11:48:37	abczz	Fountain Parks (IOI21_parks)	C++17	45 / 100	1399 ms	126980 KiB

parks

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#include "parks.h"
#include <iostream>
#include <map>
#include <array>
#include <queue>
#define ll long long
using namespace std;
map <array<ll, 2>, ll> mp;
map <array<ll, 2>, ll> visited;
map <array<ll, 2>, ll> pt;
map <array<ll, 3>, ll> edge;
queue <array<ll, 2>> Q;
vector <int> U, V, A, B;
ll dj[4][2] = {-1, -1, -1, 1, 1, 1, 1, -1}, dk[4][2] = {-2, 0, 0, 2, 2, 0, 0, -2};
void dfs(ll u, ll v) {
    ++visited[{u, v}];
    for (int i=0; i<4; ++i) {
        ll nx = u + dk[i][0], ny = v + dk[i][1];
        if (pt.count({nx, ny}) && !visited.count({nx, ny})) dfs(nx, ny);
    }
}
void solve(ll u, ll v) {
    if (visited.count({u, v})) return;
    ++visited[{u, v}];
    for (int i=0; i<4; ++i) {
        if (edge.count({u, v, i})) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20
• Subtask 6: 0 / 30