oj.uz

Submission #966491

# Submission time Handle Problem Language Result Execution time Memory
966491 2024-04-20T01:53:18 Z gaga999 Swapping Cities (APIO20_swap) C++17
100 / 100
 340 ms 53320 KB 
// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx,avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
#define lowbit(x) ((x) & -(x))
#define ml(a, b) ((1ll * (a) * (b)) % M)
#define tml(a, b) (a) = ((1ll * (a) * (b)) % M)
#define ad(a, b) ((0ll + (a) + (b)) % M)
#define tad(a, b) (a) = ((0ll + (a) + (b)) % M)
#define mi(a, b) ((0ll + M + (a) - (b)) % M)
#define tmi(a, b) (a) = ((0ll + M + (a) - (b)) % M)
#define tmin(a, b) (a) = min((a), (b))
#define tmax(a, b) (a) = max((a), (b))
#define iter(a) (a).begin(), (a).end()
#define riter(a) (a).rbegin(), (a).rend()
#define inin(a, b) memset((a), (b), sizeof(a))
#define cpy(a, b) memcpy((a), (b), sizeof(a))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define size(x) (int)x.size()
#define pb emplace_back
#define mpr make_pair
#define ls(i) ((i) << 1)
#define rs(i) ((i) << 1 | 1)
#define INF 0x3f3f3f3f
#define NIF 0xc0c0c0c0
#define eps 1e-9
#define F first
#define S second
#define AC cin.tie(0)->sync_with_stdio(0)
using namespace std;
typedef long long llt;
typedef __int128_t lll;
typedef pair<int, int> pii;
typedef pair<double, double> pdd;
typedef pair<llt, llt> pll;
typedef complex<double> cd;
// const int M = 998244353;

// random_device rm;
// mt19937 rg(rm());
// default_random_engine rg(rm());
// uniform_int_distribution<int> rd(INT_MIN, INT_MAX);
// uniform_real_distribution<double> rd(0, M_PI);

void db() { cerr << "\n"; }
template <class T, class... U>
void db(T a, U... b) { cerr << a << " ", db(b...); }

inline char gc()
{
    const static int SZ = 1 << 16;
    static char buf[SZ], *p1, *p2;
    if (p1 == p2 && (p2 = buf + fread(p1 = buf, 1, SZ, stdin), p1 == p2))
        return -1;
    return *p1++;
}
void rd() {}
template <typename T, typename... U>
void rd(T &x, U &...y)
{
    x = 0;
    bool f = 0;
    char c = gc();
    while (!isdigit(c))
        f ^= !(c ^ 45), c = gc();
    while (isdigit(c))
        x = (x << 1) + (x << 3) + (c ^ 48), c = gc();
    f && (x = -x), rd(y...);
}

template <typename T>
void prt(T x)
{
    if (x < 0)
        putchar('-'), x = -x;
    if (x > 9)
        prt(x / 10);
    putchar((x % 10) ^ 48);
}

const int N = 2e5 + 5;
int ds[N], vl[N], p1[N], p2[N], ac[20][N], in[N], ou[N], ctt, n, m, ct;
bool ok[N];
vector<int> pt[N], eg[N];

int f(int x)
{
    return ds[x] < 0 ? x : ds[x] = f(ds[x]);
}

inline void mg(int i, int j)
{
    i = f(i), j = f(j);
    if (i != j)
    {
        if (size(pt[i]) < size(pt[j]))
            swap(i, j);
        for (int p : pt[j])
            pt[i].pb(p);
        ds[i] += ds[j], ds[j] = i;
    }
}

void dfs(int u)
{
    in[u] = ++ctt;
    for (int v : eg[u])
    {
        ac[0][v] = u;
        for (int i = 1; i < 20; i++)
            ac[i][v] = ac[i - 1][ac[i - 1][v]];
        dfs(v);
    }
    ou[u] = ctt;
}

inline bool isa(int a, int p)
{
    return in[a] <= in[p] && ou[p] <= ou[a];
}

int lca(int u, int v)
{
    if (f(u) != f(v) || !ok[f(v)])
        return -1;
    if (isa(u, v))
        return vl[u]; // assert(0)
    for (int i = 19; i >= 0; i--)
        if (ac[i][u] && !isa(ac[i][u], v))
            u = ac[i][u];
    return vl[ac[0][u]];
}

void init(int _n, int _m, vector<int> U, vector<int> V, vector<int> W)
{
    n = ct = _n, m = _m, inin(ds, -1);
    for (int i = 1; i <= n; i++)
        pt[i].pb(i), p1[i] = p2[i] = i;
    vector<int> od(m);
    iota(iter(od), 0);
    sort(iter(od), [&](int a, int b)
         { return W[a] < W[b]; });
    for (int i : od)
    {
        int u = f(++U[i]), v = f(++V[i]);
        if (u == v)
        {
            if (ok[u])
                continue;
            vl[++ct] = W[i];
            for (int j : pt[v])
                eg[ct].pb(j);
            pt[v].clear();
            pt[ct].pb(ct);
            mg(ct, u);
            ok[f(ct)] = 1;
        }
        else
        {
            if (ok[u] || ok[v] || (U[i] != p1[u] && U[i] != p2[u]) ||
                (V[i] != p1[v] && V[i] != p2[v]))
            {
                vl[++ct] = W[i];
                for (int j : pt[v])
                    eg[ct].pb(j);
                pt[v].clear();
                for (int j : pt[u])
                    eg[ct].pb(j);
                pt[u].clear();
                pt[ct].pb(ct);
                mg(ct, u), mg(ct, v);
                ok[f(ct)] = 1;
            }
            else
            {
                int a = U[i] == p1[u] ? p2[u] : p1[u];
                int b = V[i] == p2[v] ? p1[v] : p2[v];
                mg(u, v);
                p1[f(u)] = a, p2[f(v)] = b;
            }
        }
    }
    for (int i = n + 1; i <= ct; i++)
        if (!pt[i].empty())
            dfs(i);
}

int getMinimumFuelCapacity(int X, int Y)
{
    return lca(++X, ++Y);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15960 KB Output is correct
2 Correct 4 ms 15708 KB Output is correct
3 Correct 3 ms 15708 KB Output is correct
4 Correct 3 ms 15708 KB Output is correct
5 Correct 4 ms 15960 KB Output is correct
6 Correct 4 ms 15708 KB Output is correct
7 Correct 3 ms 15708 KB Output is correct
8 Correct 3 ms 15704 KB Output is correct
9 Correct 42 ms 23380 KB Output is correct
10 Correct 53 ms 24620 KB Output is correct
11 Correct 49 ms 24524 KB Output is correct
12 Correct 60 ms 25176 KB Output is correct
13 Correct 45 ms 22416 KB Output is correct
14 Correct 48 ms 23568 KB Output is correct
15 Correct 99 ms 26700 KB Output is correct
16 Correct 94 ms 26448 KB Output is correct
17 Correct 96 ms 26832 KB Output is correct
18 Correct 85 ms 24016 KB Output is correct
19 Correct 55 ms 35104 KB Output is correct
20 Correct 114 ms 42068 KB Output is correct
21 Correct 123 ms 42400 KB Output is correct
22 Correct 146 ms 42904 KB Output is correct
23 Correct 115 ms 39724 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15960 KB Output is correct
2 Correct 4 ms 15708 KB Output is correct
3 Correct 340 ms 48816 KB Output is correct
4 Correct 309 ms 53232 KB Output is correct
5 Correct 269 ms 53100 KB Output is correct
6 Correct 235 ms 53288 KB Output is correct
7 Correct 321 ms 53320 KB Output is correct
8 Correct 314 ms 52608 KB Output is correct
9 Correct 284 ms 52948 KB Output is correct
10 Correct 264 ms 52376 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15960 KB Output is correct
2 Correct 4 ms 15708 KB Output is correct
3 Correct 3 ms 15708 KB Output is correct
4 Correct 3 ms 15708 KB Output is correct
5 Correct 4 ms 15960 KB Output is correct
6 Correct 4 ms 15708 KB Output is correct
7 Correct 3 ms 15708 KB Output is correct
8 Correct 3 ms 15704 KB Output is correct
9 Correct 5 ms 30044 KB Output is correct
10 Correct 7 ms 30044 KB Output is correct
11 Correct 6 ms 30260 KB Output is correct
12 Correct 6 ms 30044 KB Output is correct
13 Correct 6 ms 30044 KB Output is correct
14 Correct 5 ms 30124 KB Output is correct
15 Correct 6 ms 30044 KB Output is correct
16 Correct 5 ms 30040 KB Output is correct
17 Correct 7 ms 30084 KB Output is correct
18 Correct 5 ms 30040 KB Output is correct
19 Correct 6 ms 30040 KB Output is correct
20 Correct 6 ms 30044 KB Output is correct
21 Correct 6 ms 30236 KB Output is correct
22 Correct 6 ms 30040 KB Output is correct
23 Correct 5 ms 30040 KB Output is correct
24 Correct 6 ms 30096 KB Output is correct
25 Correct 6 ms 30136 KB Output is correct
26 Correct 6 ms 30256 KB Output is correct
27 Correct 5 ms 30284 KB Output is correct
28 Correct 6 ms 30296 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 30044 KB Output is correct
2 Correct 3 ms 15960 KB Output is correct
3 Correct 4 ms 15708 KB Output is correct
4 Correct 3 ms 15708 KB Output is correct
5 Correct 3 ms 15708 KB Output is correct
6 Correct 4 ms 15960 KB Output is correct
7 Correct 4 ms 15708 KB Output is correct
8 Correct 3 ms 15708 KB Output is correct
9 Correct 3 ms 15704 KB Output is correct
10 Correct 42 ms 23380 KB Output is correct
11 Correct 53 ms 24620 KB Output is correct
12 Correct 49 ms 24524 KB Output is correct
13 Correct 60 ms 25176 KB Output is correct
14 Correct 45 ms 22416 KB Output is correct
15 Correct 7 ms 30044 KB Output is correct
16 Correct 6 ms 30260 KB Output is correct
17 Correct 6 ms 30044 KB Output is correct
18 Correct 6 ms 30044 KB Output is correct
19 Correct 5 ms 30124 KB Output is correct
20 Correct 6 ms 30044 KB Output is correct
21 Correct 5 ms 30040 KB Output is correct
22 Correct 7 ms 30084 KB Output is correct
23 Correct 5 ms 30040 KB Output is correct
24 Correct 6 ms 30040 KB Output is correct
25 Correct 6 ms 30044 KB Output is correct
26 Correct 6 ms 30236 KB Output is correct
27 Correct 6 ms 30040 KB Output is correct
28 Correct 5 ms 30040 KB Output is correct
29 Correct 6 ms 30096 KB Output is correct
30 Correct 6 ms 30136 KB Output is correct
31 Correct 6 ms 30256 KB Output is correct
32 Correct 5 ms 30284 KB Output is correct
33 Correct 6 ms 30296 KB Output is correct
34 Correct 13 ms 31580 KB Output is correct
35 Correct 78 ms 41092 KB Output is correct
36 Correct 62 ms 40528 KB Output is correct
37 Correct 66 ms 39764 KB Output is correct
38 Correct 73 ms 39404 KB Output is correct
39 Correct 73 ms 39504 KB Output is correct
40 Correct 80 ms 39508 KB Output is correct
41 Correct 66 ms 41848 KB Output is correct
42 Correct 62 ms 41756 KB Output is correct
43 Correct 91 ms 47108 KB Output is correct
44 Correct 88 ms 41300 KB Output is correct
45 Correct 90 ms 43604 KB Output is correct
46 Correct 63 ms 40784 KB Output is correct
47 Correct 65 ms 39504 KB Output is correct
48 Correct 85 ms 42576 KB Output is correct
49 Correct 58 ms 37256 KB Output is correct
50 Correct 47 ms 36180 KB Output is correct
51 Correct 77 ms 41384 KB Output is correct
52 Correct 88 ms 43972 KB Output is correct
53 Correct 137 ms 46628 KB Output is correct
54 Correct 101 ms 46284 KB Output is correct
55 Correct 97 ms 46672 KB Output is correct
56 Correct 120 ms 46416 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15960 KB Output is correct
2 Correct 4 ms 15708 KB Output is correct
3 Correct 3 ms 15708 KB Output is correct
4 Correct 3 ms 15708 KB Output is correct
5 Correct 4 ms 15960 KB Output is correct
6 Correct 4 ms 15708 KB Output is correct
7 Correct 3 ms 15708 KB Output is correct
8 Correct 3 ms 15704 KB Output is correct
9 Correct 42 ms 23380 KB Output is correct
10 Correct 53 ms 24620 KB Output is correct
11 Correct 49 ms 24524 KB Output is correct
12 Correct 60 ms 25176 KB Output is correct
13 Correct 45 ms 22416 KB Output is correct
14 Correct 48 ms 23568 KB Output is correct
15 Correct 99 ms 26700 KB Output is correct
16 Correct 94 ms 26448 KB Output is correct
17 Correct 96 ms 26832 KB Output is correct
18 Correct 85 ms 24016 KB Output is correct
19 Correct 340 ms 48816 KB Output is correct
20 Correct 309 ms 53232 KB Output is correct
21 Correct 269 ms 53100 KB Output is correct
22 Correct 235 ms 53288 KB Output is correct
23 Correct 321 ms 53320 KB Output is correct
24 Correct 314 ms 52608 KB Output is correct
25 Correct 284 ms 52948 KB Output is correct
26 Correct 264 ms 52376 KB Output is correct
27 Correct 7 ms 30044 KB Output is correct
28 Correct 6 ms 30260 KB Output is correct
29 Correct 6 ms 30044 KB Output is correct
30 Correct 6 ms 30044 KB Output is correct
31 Correct 5 ms 30124 KB Output is correct
32 Correct 6 ms 30044 KB Output is correct
33 Correct 5 ms 30040 KB Output is correct
34 Correct 7 ms 30084 KB Output is correct
35 Correct 5 ms 30040 KB Output is correct
36 Correct 13 ms 31580 KB Output is correct
37 Correct 78 ms 41092 KB Output is correct
38 Correct 62 ms 40528 KB Output is correct
39 Correct 66 ms 39764 KB Output is correct
40 Correct 73 ms 39404 KB Output is correct
41 Correct 73 ms 39504 KB Output is correct
42 Correct 80 ms 39508 KB Output is correct
43 Correct 66 ms 41848 KB Output is correct
44 Correct 62 ms 41756 KB Output is correct
45 Correct 91 ms 47108 KB Output is correct
46 Correct 88 ms 41300 KB Output is correct
47 Correct 19 ms 31836 KB Output is correct
48 Correct 136 ms 45852 KB Output is correct
49 Correct 127 ms 44808 KB Output is correct
50 Correct 127 ms 44400 KB Output is correct
51 Correct 131 ms 44148 KB Output is correct
52 Correct 135 ms 43400 KB Output is correct
53 Correct 124 ms 43084 KB Output is correct
54 Correct 139 ms 46960 KB Output is correct
55 Correct 118 ms 46188 KB Output is correct
56 Correct 215 ms 50992 KB Output is correct
57 Correct 178 ms 46540 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 30044 KB Output is correct
2 Correct 3 ms 15960 KB Output is correct
3 Correct 4 ms 15708 KB Output is correct
4 Correct 3 ms 15708 KB Output is correct
5 Correct 3 ms 15708 KB Output is correct
6 Correct 4 ms 15960 KB Output is correct
7 Correct 4 ms 15708 KB Output is correct
8 Correct 3 ms 15708 KB Output is correct
9 Correct 3 ms 15704 KB Output is correct
10 Correct 42 ms 23380 KB Output is correct
11 Correct 53 ms 24620 KB Output is correct
12 Correct 49 ms 24524 KB Output is correct
13 Correct 60 ms 25176 KB Output is correct
14 Correct 45 ms 22416 KB Output is correct
15 Correct 48 ms 23568 KB Output is correct
16 Correct 99 ms 26700 KB Output is correct
17 Correct 94 ms 26448 KB Output is correct
18 Correct 96 ms 26832 KB Output is correct
19 Correct 85 ms 24016 KB Output is correct
20 Correct 340 ms 48816 KB Output is correct
21 Correct 309 ms 53232 KB Output is correct
22 Correct 269 ms 53100 KB Output is correct
23 Correct 235 ms 53288 KB Output is correct
24 Correct 321 ms 53320 KB Output is correct
25 Correct 314 ms 52608 KB Output is correct
26 Correct 284 ms 52948 KB Output is correct
27 Correct 264 ms 52376 KB Output is correct
28 Correct 7 ms 30044 KB Output is correct
29 Correct 6 ms 30260 KB Output is correct
30 Correct 6 ms 30044 KB Output is correct
31 Correct 6 ms 30044 KB Output is correct
32 Correct 5 ms 30124 KB Output is correct
33 Correct 6 ms 30044 KB Output is correct
34 Correct 5 ms 30040 KB Output is correct
35 Correct 7 ms 30084 KB Output is correct
36 Correct 5 ms 30040 KB Output is correct
37 Correct 13 ms 31580 KB Output is correct
38 Correct 78 ms 41092 KB Output is correct
39 Correct 62 ms 40528 KB Output is correct
40 Correct 66 ms 39764 KB Output is correct
41 Correct 73 ms 39404 KB Output is correct
42 Correct 73 ms 39504 KB Output is correct
43 Correct 80 ms 39508 KB Output is correct
44 Correct 66 ms 41848 KB Output is correct
45 Correct 62 ms 41756 KB Output is correct
46 Correct 91 ms 47108 KB Output is correct
47 Correct 88 ms 41300 KB Output is correct
48 Correct 19 ms 31836 KB Output is correct
49 Correct 136 ms 45852 KB Output is correct
50 Correct 127 ms 44808 KB Output is correct
51 Correct 127 ms 44400 KB Output is correct
52 Correct 131 ms 44148 KB Output is correct
53 Correct 135 ms 43400 KB Output is correct
54 Correct 124 ms 43084 KB Output is correct
55 Correct 139 ms 46960 KB Output is correct
56 Correct 118 ms 46188 KB Output is correct
57 Correct 215 ms 50992 KB Output is correct
58 Correct 178 ms 46540 KB Output is correct
59 Correct 55 ms 35104 KB Output is correct
60 Correct 114 ms 42068 KB Output is correct
61 Correct 123 ms 42400 KB Output is correct
62 Correct 146 ms 42904 KB Output is correct
63 Correct 115 ms 39724 KB Output is correct
64 Correct 6 ms 30040 KB Output is correct
65 Correct 6 ms 30044 KB Output is correct
66 Correct 6 ms 30236 KB Output is correct
67 Correct 6 ms 30040 KB Output is correct
68 Correct 5 ms 30040 KB Output is correct
69 Correct 6 ms 30096 KB Output is correct
70 Correct 6 ms 30136 KB Output is correct
71 Correct 6 ms 30256 KB Output is correct
72 Correct 5 ms 30284 KB Output is correct
73 Correct 6 ms 30296 KB Output is correct
74 Correct 90 ms 43604 KB Output is correct
75 Correct 63 ms 40784 KB Output is correct
76 Correct 65 ms 39504 KB Output is correct
77 Correct 85 ms 42576 KB Output is correct
78 Correct 58 ms 37256 KB Output is correct
79 Correct 47 ms 36180 KB Output is correct
80 Correct 77 ms 41384 KB Output is correct
81 Correct 88 ms 43972 KB Output is correct
82 Correct 137 ms 46628 KB Output is correct
83 Correct 101 ms 46284 KB Output is correct
84 Correct 97 ms 46672 KB Output is correct
85 Correct 120 ms 46416 KB Output is correct
86 Correct 57 ms 35924 KB Output is correct
87 Correct 132 ms 44844 KB Output is correct
88 Correct 136 ms 44600 KB Output is correct
89 Correct 190 ms 46540 KB Output is correct
90 Correct 127 ms 41044 KB Output is correct
91 Correct 140 ms 41768 KB Output is correct
92 Correct 171 ms 45964 KB Output is correct
93 Correct 161 ms 47800 KB Output is correct
94 Correct 243 ms 49408 KB Output is correct
95 Correct 156 ms 50384 KB Output is correct
96 Correct 228 ms 51248 KB Output is correct
97 Correct 225 ms 48944 KB Output is correct