oj.uz

Submission #49449

# Submission time Handle Problem Language Result Execution time Memory
49449 2018-05-29T06:19:53 Z ho94949 Tropical Garden (IOI11_garden) C++17
100 / 100
 187 ms 31352 KB 
#include "garden.h"
#include "gardenlib.h"
#include <cstdio>
#include <vector>
#include <initializer_list>
using namespace std;

const int INF = 0x3f3f3f3f;
const int MAXN = 151515;
int N;
int minv1[MAXN], minv2[MAXN];

int outlist[2*MAXN];
vector<int> inlist[2*MAXN];
bool visit[2*MAXN];
int ans1[2*MAXN], ans2[2*MAXN];
void run(int P, int dist, int *ans, int &res, int oP)
{
    if(visit[P])
    {
        if(P == oP) res = dist;
        return;
    }
    visit[P] = true;
    if(P<N) ans[dist]++;
    for(auto x: inlist[P])
        run(x, dist+1, ans, res, oP);
}

void count_routes(int _N, int M, int P, int R[][2], int Q, int G[])
{
    N = _N;
    for(int i=0; i<N; ++i) minv1[i] = minv2[i] = -1;
    for(int i=0; i<M; ++i)
    {
        int u = R[i][0], v = R[i][1];
        for(int x: {u, v})
        {
            int y = u+v-x;
            if(minv1[x] == -1) minv1[x] = y;
            else if(minv2[x] == -1) minv2[x] = y;
        }
    }
    for(int i=0; i<N; ++i) if(minv2[i] == -1) minv2[i] = minv1[i];
    for(int i=0; i<2*N; ++i)
    {
        int to = (i<N)?minv1[i%N]:minv2[i%N];
        if(i%N == minv1[to]) to += N;
        outlist[i] = to;
        inlist[to].push_back(i);
    }
    
    int res1 = 0x3f3f3f3f, res2 = 0x3f3f3f3f;
    run(P, 0, ans1, res1, P);
    for(int i=0; i<2*N; ++i) visit[i] = false;
    run(P+N, 0, ans2, res2, P+N);
    
    for(int i=0; i<Q; ++i)
    {
        int ans = 0;
        for(int j=G[i]%res1; j<=G[i] && j <= N; j += res1)
            ans += ans1[j];
        for(int j=G[i]%res2; j<=G[i] && j <= N; j += res2)
            ans += ans2[j];
        answer(ans);
    }    
    return ;
}

Subtask #1
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7644 KB Output is correct
2 Correct 9 ms 7516 KB Output is correct
3 Correct 9 ms 7544 KB Output is correct
4 Correct 8 ms 7416 KB Output is correct
5 Correct 8 ms 7416 KB Output is correct
6 Correct 6 ms 7644 KB Output is correct
7 Correct 8 ms 7408 KB Output is correct
8 Correct 9 ms 7544 KB Output is correct
9 Correct 10 ms 7548 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7644 KB Output is correct
2 Correct 9 ms 7516 KB Output is correct
3 Correct 9 ms 7544 KB Output is correct
4 Correct 8 ms 7416 KB Output is correct
5 Correct 8 ms 7416 KB Output is correct
6 Correct 6 ms 7644 KB Output is correct
7 Correct 8 ms 7408 KB Output is correct
8 Correct 9 ms 7544 KB Output is correct
9 Correct 10 ms 7548 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 18 ms 9080 KB Output is correct
12 Correct 32 ms 9948 KB Output is correct
13 Correct 59 ms 26200 KB Output is correct
14 Correct 103 ms 15540 KB Output is correct
15 Correct 135 ms 15608 KB Output is correct
16 Correct 103 ms 13660 KB Output is correct
17 Correct 89 ms 12712 KB Output is correct
18 Correct 31 ms 9900 KB Output is correct
19 Correct 100 ms 16184 KB Output is correct
20 Correct 122 ms 16492 KB Output is correct
21 Correct 103 ms 14412 KB Output is correct
22 Correct 85 ms 13632 KB Output is correct
23 Correct 131 ms 17104 KB Output is correct

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7644 KB Output is correct
2 Correct 9 ms 7516 KB Output is correct
3 Correct 9 ms 7544 KB Output is correct
4 Correct 8 ms 7416 KB Output is correct
5 Correct 8 ms 7416 KB Output is correct
6 Correct 6 ms 7644 KB Output is correct
7 Correct 8 ms 7408 KB Output is correct
8 Correct 9 ms 7544 KB Output is correct
9 Correct 10 ms 7548 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 18 ms 9080 KB Output is correct
12 Correct 32 ms 9948 KB Output is correct
13 Correct 59 ms 26200 KB Output is correct
14 Correct 103 ms 15540 KB Output is correct
15 Correct 135 ms 15608 KB Output is correct
16 Correct 103 ms 13660 KB Output is correct
17 Correct 89 ms 12712 KB Output is correct
18 Correct 31 ms 9900 KB Output is correct
19 Correct 100 ms 16184 KB Output is correct
20 Correct 122 ms 16492 KB Output is correct
21 Correct 103 ms 14412 KB Output is correct
22 Correct 85 ms 13632 KB Output is correct
23 Correct 131 ms 17104 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 17 ms 9336 KB Output is correct
26 Correct 33 ms 10360 KB Output is correct
27 Correct 61 ms 26644 KB Output is correct
28 Correct 151 ms 15508 KB Output is correct
29 Correct 187 ms 15836 KB Output is correct
30 Correct 100 ms 13640 KB Output is correct
31 Correct 124 ms 12860 KB Output is correct
32 Correct 34 ms 9872 KB Output is correct
33 Correct 158 ms 15584 KB Output is correct
34 Correct 172 ms 15716 KB Output is correct
35 Correct 102 ms 13612 KB Output is correct
36 Correct 107 ms 12796 KB Output is correct
37 Correct 118 ms 16364 KB Output is correct
38 Correct 103 ms 31352 KB Output is correct