Submission #374222

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
374222	2021-03-06 23:11:07	ijxjdjd	Tropical Garden (IOI11_garden)	C++14	100 / 100	2759 ms	25008 KiB

garden

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#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
#define all(x) begin(x), end(x)
using namespace std;
const int MAXN = (int)(150000);
const int INF = (int)(2e9);
vector<int> revadj[2*MAXN];
int first[MAXN];
int second[MAXN];
int to[2*MAXN];
bool seen[2*MAXN];
int dist[2*MAXN][2];
int oppose(int a, int r[2]) {
    if (r[0] == a) {
        return r[1];
    }
    return r[0];
}
int checkLoop(int start) {
    memset(seen, 0, sizeof(seen));
    int ori = start;
    int cnt = 1;
    seen[start] = true;
    while (!seen[to[start]]) {
        cnt++;
        start = to[start];
        seen[start] = true;
    }
 
 
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• Subtask 1: 49 / 49
• Subtask 2: 20 / 20
• Subtask 3: 31 / 31