oj.uz

Submission #395285

# Submission time Handle Problem Language Result Execution time Memory
395285 2021-04-28T05:52:02 Z abc864197532 Swapping Cities (APIO20_swap) C++17
17 / 100
 2000 ms 23180 KB 
#include <bits/stdc++.h>
// #include "grader_swap.cpp"
using namespace std;
#define lli long long int
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define test(x) cout << "Line(" << __LINE__ << ") " #x << ' ' << x << endl
#define printv(x) {\
	for (auto i : x) cout << i << ' ';\
	cout << endl;\
}
#define pii pair <int, int>
#define pll pair <lli, lli>
#define X first
#define Y second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
template<typename A, typename B>
ostream& operator << (ostream& o, pair<A, B> a){
    return o << a.X << ' ' << a.Y;
}
template<typename A, typename B>
istream& operator >> (istream& o, pair<A, B> &a){
    return o >> a.X >> a.Y;
}
const int mod = 1e9 + 7, abc = 864197532, Doludu = 123, N = 100001, logN = 18, K = 40;

vector <pii> adj[N], out_of_tree[N];
int n, m;

void init(int _n, int _m, vector <int> u, vector <int> v, vector <int> w) {
    n = _n, m = _m;
    for (int i = 0; i < m; ++i) {
        adj[u[i]].eb(v[i], w[i]);
        adj[v[i]].eb(u[i], w[i]);
    }
}


bool vis[N], cyc;
int cnt[N], mx;

void dfs(int v, int pa, int goal, int bound) {
    vis[v] = true;
    for (auto [u, w] : adj[v]) if (u != pa && w <= bound) {
        if (vis[u]) cyc = true;
        else cnt[v]++, cnt[u]++, mx = max({mx, cnt[v], cnt[u]}), dfs(u, v, goal, bound);
    }
}

int getMinimumFuelCapacity(int u, int v) {
    int l = 0, r = 1 << 30;
    while (r - l > 1) {
        int mid = l + r >> 1;
        for (int i = 0; i < n; ++i) vis[i] = false, cnt[i] = 0;
        cyc = false, mx = 0;
        dfs(u, -1, v, mid);
        if (vis[v] && (cyc || mx > 2)) r = mid;
        else l = mid;
    }
    if (r == 1 << 30) r = -1;
    return r;
}
/*
5 6
0 1 4
0 2 4
1 2 1
1 3 2
2 3 3
1 4 10
3
1 2
2 4
0 1

3 2
0 1 5
0 2 5
1
1 2
 */

Compilation message

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:55:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |         int mid = l + r >> 1;
      |                   ~~^~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 5 ms 5048 KB Output is correct
5 Correct 6 ms 5068 KB Output is correct
6 Correct 7 ms 5012 KB Output is correct
7 Correct 7 ms 5152 KB Output is correct
8 Correct 9 ms 5140 KB Output is correct
9 Correct 478 ms 16520 KB Output is correct
10 Correct 1431 ms 18268 KB Output is correct
11 Correct 1787 ms 18504 KB Output is correct
12 Correct 1893 ms 18512 KB Output is correct
13 Correct 1805 ms 19272 KB Output is correct
14 Execution timed out 2093 ms 16400 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Execution timed out 2101 ms 12416 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 5 ms 5048 KB Output is correct
5 Correct 6 ms 5068 KB Output is correct
6 Correct 7 ms 5012 KB Output is correct
7 Correct 7 ms 5152 KB Output is correct
8 Correct 9 ms 5140 KB Output is correct
9 Correct 3 ms 4996 KB Output is correct
10 Correct 5 ms 5068 KB Output is correct
11 Correct 6 ms 5068 KB Output is correct
12 Correct 7 ms 5068 KB Output is correct
13 Correct 6 ms 5008 KB Output is correct
14 Correct 6 ms 5068 KB Output is correct
15 Correct 6 ms 5068 KB Output is correct
16 Correct 7 ms 5068 KB Output is correct
17 Correct 7 ms 5136 KB Output is correct
18 Correct 6 ms 5068 KB Output is correct
19 Correct 6 ms 5016 KB Output is correct
20 Correct 6 ms 5012 KB Output is correct
21 Correct 8 ms 5008 KB Output is correct
22 Correct 6 ms 5068 KB Output is correct
23 Correct 5 ms 5068 KB Output is correct
24 Correct 6 ms 5068 KB Output is correct
25 Correct 6 ms 5140 KB Output is correct
26 Correct 9 ms 5196 KB Output is correct
27 Correct 6 ms 5136 KB Output is correct
28 Correct 7 ms 5068 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4996 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 5 ms 5048 KB Output is correct
6 Correct 6 ms 5068 KB Output is correct
7 Correct 7 ms 5012 KB Output is correct
8 Correct 7 ms 5152 KB Output is correct
9 Correct 9 ms 5140 KB Output is correct
10 Correct 478 ms 16520 KB Output is correct
11 Correct 1431 ms 18268 KB Output is correct
12 Correct 1787 ms 18504 KB Output is correct
13 Correct 1893 ms 18512 KB Output is correct
14 Correct 1805 ms 19272 KB Output is correct
15 Correct 5 ms 5068 KB Output is correct
16 Correct 6 ms 5068 KB Output is correct
17 Correct 7 ms 5068 KB Output is correct
18 Correct 6 ms 5008 KB Output is correct
19 Correct 6 ms 5068 KB Output is correct
20 Correct 6 ms 5068 KB Output is correct
21 Correct 7 ms 5068 KB Output is correct
22 Correct 7 ms 5136 KB Output is correct
23 Correct 6 ms 5068 KB Output is correct
24 Correct 6 ms 5016 KB Output is correct
25 Correct 6 ms 5012 KB Output is correct
26 Correct 8 ms 5008 KB Output is correct
27 Correct 6 ms 5068 KB Output is correct
28 Correct 5 ms 5068 KB Output is correct
29 Correct 6 ms 5068 KB Output is correct
30 Correct 6 ms 5140 KB Output is correct
31 Correct 9 ms 5196 KB Output is correct
32 Correct 6 ms 5136 KB Output is correct
33 Correct 7 ms 5068 KB Output is correct
34 Correct 20 ms 6092 KB Output is correct
35 Correct 1360 ms 17424 KB Output is correct
36 Correct 1218 ms 14876 KB Output is correct
37 Correct 1091 ms 12700 KB Output is correct
38 Correct 1155 ms 12100 KB Output is correct
39 Correct 1010 ms 12152 KB Output is correct
40 Correct 880 ms 11672 KB Output is correct
41 Correct 1102 ms 15876 KB Output is correct
42 Correct 1630 ms 16488 KB Output is correct
43 Correct 1271 ms 18728 KB Output is correct
44 Correct 660 ms 12996 KB Output is correct
45 Correct 1084 ms 17876 KB Output is correct
46 Correct 1504 ms 16936 KB Output is correct
47 Correct 1223 ms 12180 KB Output is correct
48 Correct 1060 ms 13084 KB Output is correct
49 Correct 122 ms 16328 KB Output is correct
50 Correct 132 ms 13444 KB Output is correct
51 Correct 549 ms 16248 KB Output is correct
52 Correct 763 ms 20136 KB Output is correct
53 Correct 680 ms 19444 KB Output is correct
54 Execution timed out 2095 ms 23180 KB Time limit exceeded
55 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 5 ms 5048 KB Output is correct
5 Correct 6 ms 5068 KB Output is correct
6 Correct 7 ms 5012 KB Output is correct
7 Correct 7 ms 5152 KB Output is correct
8 Correct 9 ms 5140 KB Output is correct
9 Correct 478 ms 16520 KB Output is correct
10 Correct 1431 ms 18268 KB Output is correct
11 Correct 1787 ms 18504 KB Output is correct
12 Correct 1893 ms 18512 KB Output is correct
13 Correct 1805 ms 19272 KB Output is correct
14 Execution timed out 2093 ms 16400 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4996 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 5 ms 5048 KB Output is correct
6 Correct 6 ms 5068 KB Output is correct
7 Correct 7 ms 5012 KB Output is correct
8 Correct 7 ms 5152 KB Output is correct
9 Correct 9 ms 5140 KB Output is correct
10 Correct 478 ms 16520 KB Output is correct
11 Correct 1431 ms 18268 KB Output is correct
12 Correct 1787 ms 18504 KB Output is correct
13 Correct 1893 ms 18512 KB Output is correct
14 Correct 1805 ms 19272 KB Output is correct
15 Execution timed out 2093 ms 16400 KB Time limit exceeded
16 Halted 0 ms 0 KB -