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Submission #844906

# Submission time Handle Problem Language Result Execution time Memory
844906 2023-09-06T08:22:22 Z LucaIlie Overtaking (IOI23_overtaking) C++17
65 / 100
 3500 ms 34904 KB 
#include "overtaking.h"
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 2000;
const int MAX_M = 2000;
const long long INF = 1e18;

struct bus {
    long long t;
    int v;
    int p;
};

struct answer {
    long long l, r, ans;
};

int n, m, x;
bus buses[MAX_N + 1], b[MAX_M][MAX_N + 1];
int s[MAX_M];
vector<long long> times;
vector<answer> ans;

long long query( long long y ) {
    for ( int j = 0; j < m - 1; j++ ) {
        int l = -1, r = n;
        while ( r - l > 1 ) {
            int mid = (l + r) / 2;
            if ( b[j][mid].t < y )
                l = mid;
            else
                r = mid;
        }
        y = y + (long long)x * (s[j + 1] - s[j]);
        if ( l >= 0 )
            y = max( y, b[j + 1][l].t );
    }

    return y;
}

void init( int L, int N, vector<long long> T, vector<int> W, int X, int M, vector<int> S ) {
    n = N;
    m = M;
    x = X;
    for ( int i = 0; i < n; i++ )
        buses[i] = { T[i], W[i], i };
    for ( int i = 0; i < m; i++ )
        s[i] = S[i];

    for ( int i = 0; i < n; i++ )
        b[0][i] = buses[i];
    for( int j = 0; j < m - 1; j++ ) {
        sort( b[j], b[j] + n, []( bus a, bus b ) {
            if ( a.t == b.t )
                return a.v < b.v;
            return a.t < b.t;
        } );

        for ( int i = 0; i < n; i++ )
            b[j + 1][i] = b[j][i];
        for ( int i = 0; i < n; i++ )
            b[j + 1][i].t = b[j][i].t + (long long)b[j][i].v * (s[j + 1] - s[j]);
        for ( int i = 1; i < n; i++ )
            b[j + 1][i].t = max( b[j + 1][i].t, b[j + 1][i - 1].t );
    }
}

long long arrival_time( long long y ) {
    return query( y );
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 4 ms 14680 KB Output is correct
7 Correct 7 ms 26968 KB Output is correct
8 Correct 9 ms 33116 KB Output is correct
9 Correct 8 ms 33112 KB Output is correct
10 Correct 10 ms 33368 KB Output is correct
11 Correct 9 ms 33116 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct
14 Correct 2 ms 4440 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 2 ms 4440 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4440 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 4440 KB Output is correct
33 Correct 1 ms 4440 KB Output is correct
34 Correct 1 ms 4440 KB Output is correct
35 Correct 1 ms 4440 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 2 ms 4440 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 4 ms 14680 KB Output is correct
8 Correct 7 ms 26968 KB Output is correct
9 Correct 9 ms 33116 KB Output is correct
10 Correct 8 ms 33112 KB Output is correct
11 Correct 10 ms 33368 KB Output is correct
12 Correct 9 ms 33116 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 2 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 2 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 2 ms 4440 KB Output is correct
26 Correct 1 ms 4440 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4440 KB Output is correct
33 Correct 1 ms 4440 KB Output is correct
34 Correct 1 ms 4440 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 1 ms 2392 KB Output is correct
38 Correct 1 ms 2392 KB Output is correct
39 Correct 1 ms 4440 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct
41 Correct 1 ms 4440 KB Output is correct
42 Correct 1 ms 4440 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 2 ms 4440 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4440 KB Output is correct
48 Correct 89 ms 33624 KB Output is correct
49 Correct 462 ms 33476 KB Output is correct
50 Correct 459 ms 33616 KB Output is correct
51 Correct 457 ms 33368 KB Output is correct
52 Correct 462 ms 33368 KB Output is correct
53 Correct 447 ms 33480 KB Output is correct
54 Correct 458 ms 33368 KB Output is correct
55 Correct 73 ms 33368 KB Output is correct
56 Correct 459 ms 33372 KB Output is correct
57 Correct 465 ms 33480 KB Output is correct
58 Correct 462 ms 33476 KB Output is correct
59 Correct 458 ms 33476 KB Output is correct
60 Correct 466 ms 33468 KB Output is correct
61 Correct 457 ms 33484 KB Output is correct
62 Correct 24 ms 33368 KB Output is correct
63 Correct 2 ms 600 KB Output is correct
64 Correct 413 ms 33424 KB Output is correct
65 Correct 241 ms 16984 KB Output is correct
66 Correct 544 ms 33528 KB Output is correct
67 Correct 555 ms 33368 KB Output is correct
68 Correct 656 ms 33616 KB Output is correct
69 Correct 552 ms 33488 KB Output is correct
70 Correct 502 ms 33368 KB Output is correct
71 Correct 526 ms 33368 KB Output is correct
72 Correct 517 ms 33616 KB Output is correct
73 Correct 522 ms 33476 KB Output is correct
74 Correct 532 ms 33624 KB Output is correct
75 Correct 533 ms 33480 KB Output is correct
76 Correct 519 ms 33368 KB Output is correct
77 Correct 547 ms 33480 KB Output is correct
78 Correct 430 ms 33480 KB Output is correct

Subtask #5
0.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 4 ms 14680 KB Output is correct
8 Correct 7 ms 26968 KB Output is correct
9 Correct 9 ms 33116 KB Output is correct
10 Correct 8 ms 33112 KB Output is correct
11 Correct 10 ms 33368 KB Output is correct
12 Correct 9 ms 33116 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 2 ms 4440 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4440 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 2 ms 4440 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4440 KB Output is correct
35 Correct 1 ms 4440 KB Output is correct
36 Correct 2 ms 4440 KB Output is correct
37 Correct 1 ms 4440 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4440 KB Output is correct
40 Correct 1 ms 2392 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4440 KB Output is correct
44 Correct 1 ms 4440 KB Output is correct
45 Correct 1 ms 4440 KB Output is correct
46 Correct 1 ms 2392 KB Output is correct
47 Correct 1 ms 2392 KB Output is correct
48 Correct 1 ms 2392 KB Output is correct
49 Correct 1 ms 2392 KB Output is correct
50 Correct 1 ms 4440 KB Output is correct
51 Correct 1 ms 4440 KB Output is correct
52 Correct 1 ms 4440 KB Output is correct
53 Correct 1 ms 4440 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 2 ms 4440 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4440 KB Output is correct
59 Correct 89 ms 33624 KB Output is correct
60 Correct 462 ms 33476 KB Output is correct
61 Correct 459 ms 33616 KB Output is correct
62 Correct 457 ms 33368 KB Output is correct
63 Correct 462 ms 33368 KB Output is correct
64 Correct 447 ms 33480 KB Output is correct
65 Correct 458 ms 33368 KB Output is correct
66 Correct 73 ms 33368 KB Output is correct
67 Correct 459 ms 33372 KB Output is correct
68 Correct 465 ms 33480 KB Output is correct
69 Correct 462 ms 33476 KB Output is correct
70 Correct 458 ms 33476 KB Output is correct
71 Correct 466 ms 33468 KB Output is correct
72 Correct 457 ms 33484 KB Output is correct
73 Correct 24 ms 33368 KB Output is correct
74 Correct 2 ms 600 KB Output is correct
75 Correct 413 ms 33424 KB Output is correct
76 Correct 241 ms 16984 KB Output is correct
77 Correct 544 ms 33528 KB Output is correct
78 Correct 555 ms 33368 KB Output is correct
79 Correct 656 ms 33616 KB Output is correct
80 Correct 552 ms 33488 KB Output is correct
81 Correct 502 ms 33368 KB Output is correct
82 Correct 526 ms 33368 KB Output is correct
83 Correct 517 ms 33616 KB Output is correct
84 Correct 522 ms 33476 KB Output is correct
85 Correct 532 ms 33624 KB Output is correct
86 Correct 533 ms 33480 KB Output is correct
87 Correct 519 ms 33368 KB Output is correct
88 Correct 547 ms 33480 KB Output is correct
89 Correct 430 ms 33480 KB Output is correct
90 Execution timed out 3532 ms 34904 KB Time limit exceeded
91 Halted 0 ms 0 KB -