Submission #840822

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
840822	2023-08-31T17:56:21 Z	MohamedAliSaidane	Closing Time (IOI23_closing)	C++17	9 / 100	190 ms	542492 KB

closing

#include "closing.h"
#include <bits/stdc++.h>
using namespace std;

typedef  long long ll;

#define pb push_back
#define ff first
#define ss second
#define all(x) (x).begin(),(x).end()

const int nax = 205;
const ll INF = 1e18 + 2;

int n, x, y;
ll k;
vector<pair<int,ll>> A[nax];
vector<int> adj[nax];
ll dx[nax], dy[nax];
ll dp[nax][2 * nax][4], memo[nax][2 * nax][4][nax];
int tx[nax], ty[nax];

void dfsx(int u, int par)
{
    for(auto e: A[u])
    {
        if(e.ff == par)
            continue;
        dx[e.ff] = dx[u] + e.ss;
        tx[e.ff] = u;
        dfsx(e.ff, u);
    }
}
void dfsy(int u, int par)
{
    for(auto e: A[u])
    {
        if(e.ff == par)
            continue;
        dy[e.ff] = dy[u] + e.ss;
        ty[e.ff] = u;
        dfsy(e.ff, u);
    }
}
ll f(int u, int ans, int typ);

ll g(int u, int rem, int typ, int idx)
{
    if(rem < 0)
        return INF;
    if(idx == (int)(adj[u].size()))
        return rem > 0? INF: 0ll;
    if(memo[u][rem][typ][idx] != -1)
        return memo[u][rem][typ][idx];
    if(rem == 0)
        return memo[u][rem][typ][idx] = 0ll;
    ll rep = INF;
    for(int j = 0; j <= rem; j++)
    {
        ll nxt = g(u, rem - j, typ, idx + 1);
        if(typ == 0)
        {
            if(adj[u][idx] == ty[u])
                rep = min(rep, g(u, rem-j, typ, idx + 1) + f(adj[u][idx], j - 1, 2));
            rep = min(rep, nxt + f(adj[u][idx], j, 0));
        }
        else if(typ == 1)
        {
            rep = min(rep, nxt + f(adj[u][idx], j - 1, 1));
            rep = min(rep, nxt + f(adj[u][idx], j, 0));
            if(ty[u] == adj[u][idx] && ty[adj[u][idx]] != u)
            {
                rep = min(rep, nxt + f(adj[u][idx], j - 1, 2));
                rep = min(rep, nxt + f(adj[u][idx], j - 2, 3));
            }
        }
        else if(typ == 2)
        {
            rep = min(rep, nxt + f(adj[u][idx], j - 1, 2));
            if(ty[u] != adj[u][idx])
                rep = min(rep, nxt + f(adj[u][idx], j, 0));
        }
        else 
        {
            rep = min(rep, nxt + f(adj[u][idx], j - 2, 3));
            rep = min(rep, nxt + f(adj[u][idx], j - 1, 2));
            if(ty[u] != adj[u][idx])
            {
                rep = min(rep, nxt + f(adj[u][idx], j - 1, 1));
                rep = min(rep, nxt + f(adj[u][idx], j, 0));
            }
        }
    }
    return memo[u][rem][typ][idx] = rep;
}
ll f(int u, int ans, int typ)
{
    if(ans < 0)
        return INF;
    if(dp[u][ans][typ] != -1)
        return dp[u][ans][typ];
    ll deplt = typ == 0? 0: typ == 1? dx[u]: typ == 2? dy[u]: max(dx[u], dy[u]);
    if(adj[u].empty())
        return dp[u][ans][typ] = ans > 0? INF: deplt;
    
    return dp[u][ans][typ] = g(u, ans, typ, 0)  + deplt;
}
int max_score(int N, int X, int Y, long long K,
              std::vector<int> U, std::vector<int> V, std::vector<int> W)
{
    n = N, x = X, y = Y, k = K;
    for(int i = 0; i < N; i ++)
    {
        A[i].clear();
        adj[i].clear();
    }
    memset(dp, -1, sizeof(dp));
    memset(memo, -1, sizeof(memo));
    for(int i = 0; i < n - 1; i++)
    {
        A[U[i]].pb({V[i], W[i]});
        A[V[i]].pb({U[i], W[i]});
    }
    tx[x] = x, ty[y] = y;
    dx[x] = dy[y] = 0ll;
    dfsx(x, x);
    dfsy(y, y);
    for(int i = 0; i < n; i++)
    {
        vector<int> v;
        for(auto e: A[i])
            if(e.ff != tx[i])
                adj[i].pb(e.ff);
    }
    for(int ans = 2; ans <= 2 * n; ans++)
    {
        ll cost = INF;
        cost = min(cost, f(x, ans, 0));
        cost = min(cost, f(x, ans - 1, 1));
        cost = min(cost, f(x, ans - 1, 2));
        cost = min(cost, f(x, ans - 2, 3));
        if(cost > k)
            return ans - 1;
    }
    
    return 2 * n;
}

Subtask #0
0.0 / 0.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	190 ms	542412 KB	Output is correct

Subtask #1
0.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	51 ms	4980 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #2
0.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	149 ms	542408 KB	Output is correct
2	Correct	147 ms	542396 KB	Output is correct
3	Correct	149 ms	542432 KB	Output is correct
4	Correct	150 ms	542360 KB	Output is correct
5	Correct	149 ms	542396 KB	Output is correct
6	Correct	156 ms	542396 KB	Output is correct
7	Correct	152 ms	542384 KB	Output is correct
8	Correct	153 ms	542388 KB	Output is correct
9	Correct	156 ms	542492 KB	Output is correct
10	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
11	Halted	0 ms	0 KB	-

Subtask #3
0.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	149 ms	542408 KB	Output is correct
2	Correct	147 ms	542396 KB	Output is correct
3	Correct	149 ms	542432 KB	Output is correct
4	Correct	150 ms	542360 KB	Output is correct
5	Correct	149 ms	542396 KB	Output is correct
6	Correct	156 ms	542396 KB	Output is correct
7	Correct	152 ms	542384 KB	Output is correct
8	Correct	153 ms	542388 KB	Output is correct
9	Correct	156 ms	542492 KB	Output is correct
10	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
11	Halted	0 ms	0 KB	-

Subtask #4
0.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	149 ms	542408 KB	Output is correct
2	Correct	147 ms	542396 KB	Output is correct
3	Correct	149 ms	542432 KB	Output is correct
4	Correct	150 ms	542360 KB	Output is correct
5	Correct	149 ms	542396 KB	Output is correct
6	Correct	156 ms	542396 KB	Output is correct
7	Correct	152 ms	542384 KB	Output is correct
8	Correct	153 ms	542388 KB	Output is correct
9	Correct	156 ms	542492 KB	Output is correct
10	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
11	Halted	0 ms	0 KB	-

Subtask #5
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	190 ms	542412 KB	Output is correct
2	Correct	149 ms	542408 KB	Output is correct
3	Correct	147 ms	542396 KB	Output is correct
4	Correct	149 ms	542432 KB	Output is correct
5	Correct	150 ms	542360 KB	Output is correct
6	Correct	149 ms	542396 KB	Output is correct
7	Correct	150 ms	542388 KB	Output is correct
8	Correct	150 ms	542364 KB	Output is correct
9	Correct	151 ms	542396 KB	Output is correct
10	Correct	149 ms	542372 KB	Output is correct
11	Correct	153 ms	542400 KB	Output is correct
12	Correct	149 ms	542308 KB	Output is correct
13	Correct	156 ms	542336 KB	Output is correct
14	Correct	152 ms	542384 KB	Output is correct
15	Correct	152 ms	542396 KB	Output is correct
16	Correct	150 ms	542432 KB	Output is correct
17	Correct	154 ms	542384 KB	Output is correct
18	Correct	147 ms	542308 KB	Output is correct
19	Correct	151 ms	542300 KB	Output is correct
20	Correct	147 ms	542344 KB	Output is correct
21	Correct	150 ms	542352 KB	Output is correct
22	Correct	148 ms	542368 KB	Output is correct
23	Correct	147 ms	542424 KB	Output is correct
24	Correct	146 ms	542428 KB	Output is correct

Subtask #6
0.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	190 ms	542412 KB	Output is correct
2	Correct	149 ms	542408 KB	Output is correct
3	Correct	147 ms	542396 KB	Output is correct
4	Correct	149 ms	542432 KB	Output is correct
5	Correct	150 ms	542360 KB	Output is correct
6	Correct	149 ms	542396 KB	Output is correct
7	Correct	156 ms	542396 KB	Output is correct
8	Correct	152 ms	542384 KB	Output is correct
9	Correct	153 ms	542388 KB	Output is correct
10	Correct	156 ms	542492 KB	Output is correct
11	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
12	Halted	0 ms	0 KB	-

Subtask #7
0.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	190 ms	542412 KB	Output is correct
2	Correct	149 ms	542408 KB	Output is correct
3	Correct	147 ms	542396 KB	Output is correct
4	Correct	149 ms	542432 KB	Output is correct
5	Correct	150 ms	542360 KB	Output is correct
6	Correct	149 ms	542396 KB	Output is correct
7	Correct	156 ms	542396 KB	Output is correct
8	Correct	152 ms	542384 KB	Output is correct
9	Correct	153 ms	542388 KB	Output is correct
10	Correct	156 ms	542492 KB	Output is correct
11	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
12	Halted	0 ms	0 KB	-

Subtask #8
0.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	190 ms	542412 KB	Output is correct
2	Correct	149 ms	542408 KB	Output is correct
3	Correct	147 ms	542396 KB	Output is correct
4	Correct	149 ms	542432 KB	Output is correct
5	Correct	150 ms	542360 KB	Output is correct
6	Correct	149 ms	542396 KB	Output is correct
7	Correct	156 ms	542396 KB	Output is correct
8	Correct	152 ms	542384 KB	Output is correct
9	Correct	153 ms	542388 KB	Output is correct
10	Correct	156 ms	542492 KB	Output is correct
11	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
12	Halted	0 ms	0 KB	-

Subtask #9
0.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	190 ms	542412 KB	Output is correct
2	Correct	149 ms	542408 KB	Output is correct
3	Correct	147 ms	542396 KB	Output is correct
4	Correct	149 ms	542432 KB	Output is correct
5	Correct	150 ms	542360 KB	Output is correct
6	Correct	149 ms	542396 KB	Output is correct
7	Correct	156 ms	542396 KB	Output is correct
8	Correct	152 ms	542384 KB	Output is correct
9	Correct	153 ms	542388 KB	Output is correct
10	Correct	156 ms	542492 KB	Output is correct
11	Incorrect	155 ms	542412 KB	1st lines differ - on the 1st token, expected: '44', found: '52'
12	Halted	0 ms	0 KB	-

Submission #840822

Compilation message