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Submission #847591

# Submission time Handle Problem Language Result Execution time Memory
847591 2023-09-10T02:42:27 Z math_rabbit_1028 Closing Time (IOI23_closing) C++17
35 / 100
 131 ms 158684 KB 
#include "closing.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;

int n, x, y, ch[202020], ans;
ll k, need[202020], d[202020], dsum[202020];
vector<pll> adj[202020];

pair<int, ll> in[3030][3030];
void inner() {
    for (int r = x; r <= y; r++) {
        in[r][y].first = r - x + 2;
        in[r][y].second = 0;
        ll need[3030];
        for (int i = x; i <= r; i++) need[i] = dsum[i] - dsum[x];
        for (int i = r + 1; i <= y; i++) need[i] = 0;
        for (int i = x; i <= y; i++) in[r][y].second += need[i];
        for (int l = y - 1; l >= x; l--) {
            in[r][l].first = in[r][l + 1].first + 1;
            in[r][l].second = in[r][l + 1].second + max(0LL, dsum[y] - dsum[l] - need[l]);
        }
    }
}

ll dp[404040], nxt[404040];
void update(ll a, ll b) {
    for (int i = 0; i <= 2*n; i++) {
        ll val = dp[i];
        if (i >= 1) val = min(val, dp[i - 1] + a);
        if (i >= 2) val = min(val, dp[i - 2] + b);
        nxt[i] = val;
    }
    for (int i = 0; i <= 2*n; i++) dp[i] = nxt[i];
}
void outer() {
    for (int i = 0; i <= 2*n; i++) dp[i] = 2e18;
    dp[0] = 0;

    for (int i = 0; i < x; i++) {
        update(dsum[x] - dsum[i], dsum[y] - dsum[i]);
    }
    for (int i = y + 1; i < n; i++) {
        update(dsum[i] - dsum[y], dsum[i] - dsum[x]);
    }
}

int max_score(int N, int X, int Y, ll K, vector<int> U, vector<int> V, vector<int> W) {
    n = N, x = X, y = Y, k = K;

    ans = 0;
    for (int i = 0; i < n; i++) adj[i].clear();

    for (int i = 0; i < (int)U.size(); i++) {
        adj[U[i]].push_back({V[i], W[i]});
        adj[V[i]].push_back({U[i], W[i]});
        d[max(U[i], V[i])] = W[i];
    }

    for (int i = 1; i < n; i++) dsum[i] = dsum[i - 1] + d[i];

    inner();
    outer();

    for (int r = x; r <= y; r++) {
        for (int l = y; l >= x; l--) {
            if (k - in[r][l].second < 0) continue;
            int val = in[r][l].first;
            int idx = upper_bound(dp, dp + 2*n + 1, k - in[r][l].second) - dp - 1;
            ans = max(ans, val + idx);
        }
    }

    return ans;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 16728 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #1
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 83 ms 54104 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 14684 KB Output is correct
3 Correct 3 ms 14800 KB Output is correct
4 Correct 2 ms 16732 KB Output is correct
5 Correct 3 ms 14796 KB Output is correct
6 Correct 3 ms 14684 KB Output is correct
7 Correct 3 ms 14684 KB Output is correct
8 Correct 2 ms 14684 KB Output is correct
9 Correct 2 ms 16732 KB Output is correct
10 Correct 3 ms 18776 KB Output is correct
11 Correct 4 ms 18884 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 14684 KB Output is correct
3 Correct 3 ms 14800 KB Output is correct
4 Correct 2 ms 16732 KB Output is correct
5 Correct 3 ms 14796 KB Output is correct
6 Correct 3 ms 14684 KB Output is correct
7 Correct 3 ms 14684 KB Output is correct
8 Correct 2 ms 14684 KB Output is correct
9 Correct 2 ms 16732 KB Output is correct
10 Correct 3 ms 18776 KB Output is correct
11 Correct 4 ms 18884 KB Output is correct
12 Correct 2 ms 14684 KB Output is correct
13 Correct 2 ms 14684 KB Output is correct
14 Correct 3 ms 16732 KB Output is correct
15 Correct 3 ms 14684 KB Output is correct
16 Correct 3 ms 20828 KB Output is correct
17 Correct 3 ms 20828 KB Output is correct
18 Correct 3 ms 16732 KB Output is correct
19 Correct 3 ms 14684 KB Output is correct
20 Correct 4 ms 14940 KB Output is correct
21 Correct 6 ms 29016 KB Output is correct
22 Correct 4 ms 25136 KB Output is correct
23 Correct 8 ms 39260 KB Output is correct
24 Correct 7 ms 39260 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 14684 KB Output is correct
3 Correct 3 ms 14800 KB Output is correct
4 Correct 2 ms 16732 KB Output is correct
5 Correct 3 ms 14796 KB Output is correct
6 Correct 3 ms 14684 KB Output is correct
7 Correct 3 ms 14684 KB Output is correct
8 Correct 2 ms 14684 KB Output is correct
9 Correct 2 ms 16732 KB Output is correct
10 Correct 3 ms 18776 KB Output is correct
11 Correct 4 ms 18884 KB Output is correct
12 Correct 2 ms 14684 KB Output is correct
13 Correct 2 ms 14684 KB Output is correct
14 Correct 3 ms 16732 KB Output is correct
15 Correct 3 ms 14684 KB Output is correct
16 Correct 3 ms 20828 KB Output is correct
17 Correct 3 ms 20828 KB Output is correct
18 Correct 3 ms 16732 KB Output is correct
19 Correct 3 ms 14684 KB Output is correct
20 Correct 4 ms 14940 KB Output is correct
21 Correct 6 ms 29016 KB Output is correct
22 Correct 4 ms 25136 KB Output is correct
23 Correct 8 ms 39260 KB Output is correct
24 Correct 7 ms 39260 KB Output is correct
25 Correct 4 ms 18780 KB Output is correct
26 Correct 29 ms 14940 KB Output is correct
27 Correct 25 ms 14940 KB Output is correct
28 Correct 131 ms 146412 KB Output is correct
29 Correct 78 ms 103324 KB Output is correct
30 Correct 25 ms 37672 KB Output is correct
31 Correct 82 ms 158544 KB Output is correct
32 Correct 82 ms 158684 KB Output is correct

Subtask #5
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 16728 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 16728 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 16728 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 16728 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 16728 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -