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Submission #843293

# Submission time Handle Problem Language Result Execution time Memory
843293 2023-09-03T21:43:00 Z SHZhang Overtaking (IOI23_overtaking) C++17
65 / 100
 3500 ms 63396 KB 
#include "overtaking.h"

#include <vector>
#include <algorithm>
#include <utility>
#include <set>
#include <cstdio>

using namespace std;

#define ll long long

ll arrtime[1005][1005];
set<pair<ll, ll> > intvs[1005];

vector<pair<ll, ll> > buses;
int l, n, x, m;
vector<int> s;

void addintv(int span, ll l, ll r)
{
    intvs[span].insert(make_pair(-l, -r));
}

ll find_max_right(int span, ll entertime)
{
    auto iter = intvs[span].lower_bound(make_pair(-entertime + 1, -9000000000000000000LL));
    if (iter == intvs[span].end() || -iter->second < entertime) {
        return entertime;
    }
    return -iter->second;
}

void init(int L, int N, std::vector<long long> T, std::vector<int> W, int X, int M, std::vector<int> S)
{
    l = L;
    n = N;
    x = X;
    m = M;
    s = S;
    for (int i = 0; i < N; i++) {
        buses.push_back(make_pair(W[i], T[i]));
    }
    sort(buses.begin(), buses.end());
    reverse(buses.begin(), buses.end());
    for (int i = 0; i < N; i++) {
        ll ctime = buses[i].second;
        ll ispeed = buses[i].first;
        //printf("Bus departing at %lld, %lld secs/km:\n", ctime, ispeed);
        for (int j = 0; j < M - 1; j++) {
            ll ntime = max(find_max_right(j, ctime), ctime + ispeed * (ll)(S[j+1]-S[j]));
            addintv(j, ctime, ntime);
            ctime = ntime;
            //printf("Span %d done at time %lld\n", j, ctime);
        }
    }
}

long long arrival_time(long long Y)
{
    ll ctime = Y;
    for (int j = 0; j < m - 1; j++) {
        ctime = max(find_max_right(j, ctime), ctime + x * (ll)(s[j+1]-s[j]));
    }
    return ctime;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 5 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 856 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 2 ms 856 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 1 ms 860 KB Output is correct
18 Correct 1 ms 860 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 1 ms 736 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 1 ms 1012 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 860 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 2 ms 860 KB Output is correct
33 Correct 1 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 1 ms 860 KB Output is correct
36 Correct 1 ms 860 KB Output is correct
37 Correct 1 ms 860 KB Output is correct
38 Correct 1 ms 860 KB Output is correct
39 Correct 1 ms 860 KB Output is correct
40 Correct 1 ms 856 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 5 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 856 KB Output is correct
17 Correct 1 ms 860 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 2 ms 856 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 860 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 1 ms 736 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 1 ms 860 KB Output is correct
31 Correct 1 ms 860 KB Output is correct
32 Correct 1 ms 860 KB Output is correct
33 Correct 1 ms 1012 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 860 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 860 KB Output is correct
40 Correct 1 ms 860 KB Output is correct
41 Correct 1 ms 860 KB Output is correct
42 Correct 1 ms 860 KB Output is correct
43 Correct 1 ms 860 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 1 ms 860 KB Output is correct
46 Correct 1 ms 860 KB Output is correct
47 Correct 1 ms 856 KB Output is correct
48 Correct 172 ms 61432 KB Output is correct
49 Correct 244 ms 61212 KB Output is correct
50 Correct 267 ms 62624 KB Output is correct
51 Correct 258 ms 61456 KB Output is correct
52 Correct 299 ms 61376 KB Output is correct
53 Correct 216 ms 61520 KB Output is correct
54 Correct 283 ms 61356 KB Output is correct
55 Correct 176 ms 43308 KB Output is correct
56 Correct 257 ms 61108 KB Output is correct
57 Correct 230 ms 57388 KB Output is correct
58 Correct 259 ms 61936 KB Output is correct
59 Correct 253 ms 61008 KB Output is correct
60 Correct 263 ms 61268 KB Output is correct
61 Correct 247 ms 61780 KB Output is correct
62 Correct 17 ms 604 KB Output is correct
63 Correct 2 ms 604 KB Output is correct
64 Correct 366 ms 31716 KB Output is correct
65 Correct 296 ms 31828 KB Output is correct
66 Correct 857 ms 63144 KB Output is correct
67 Correct 770 ms 63136 KB Output is correct
68 Correct 776 ms 63396 KB Output is correct
69 Correct 295 ms 63060 KB Output is correct
70 Correct 296 ms 63060 KB Output is correct
71 Correct 310 ms 63052 KB Output is correct
72 Correct 303 ms 63140 KB Output is correct
73 Correct 307 ms 63140 KB Output is correct
74 Correct 303 ms 63184 KB Output is correct
75 Correct 651 ms 63376 KB Output is correct
76 Correct 658 ms 63060 KB Output is correct
77 Correct 678 ms 63396 KB Output is correct
78 Correct 330 ms 63116 KB Output is correct

Subtask #5
0.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 5 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 856 KB Output is correct
28 Correct 1 ms 860 KB Output is correct
29 Correct 1 ms 1112 KB Output is correct
30 Correct 1 ms 860 KB Output is correct
31 Correct 2 ms 856 KB Output is correct
32 Correct 1 ms 860 KB Output is correct
33 Correct 1 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 1 ms 860 KB Output is correct
36 Correct 1 ms 860 KB Output is correct
37 Correct 1 ms 860 KB Output is correct
38 Correct 1 ms 860 KB Output is correct
39 Correct 1 ms 736 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 1 ms 860 KB Output is correct
42 Correct 1 ms 860 KB Output is correct
43 Correct 1 ms 860 KB Output is correct
44 Correct 1 ms 1012 KB Output is correct
45 Correct 1 ms 860 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 860 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 860 KB Output is correct
51 Correct 1 ms 860 KB Output is correct
52 Correct 1 ms 860 KB Output is correct
53 Correct 1 ms 860 KB Output is correct
54 Correct 1 ms 860 KB Output is correct
55 Correct 1 ms 860 KB Output is correct
56 Correct 1 ms 860 KB Output is correct
57 Correct 1 ms 860 KB Output is correct
58 Correct 1 ms 856 KB Output is correct
59 Correct 172 ms 61432 KB Output is correct
60 Correct 244 ms 61212 KB Output is correct
61 Correct 267 ms 62624 KB Output is correct
62 Correct 258 ms 61456 KB Output is correct
63 Correct 299 ms 61376 KB Output is correct
64 Correct 216 ms 61520 KB Output is correct
65 Correct 283 ms 61356 KB Output is correct
66 Correct 176 ms 43308 KB Output is correct
67 Correct 257 ms 61108 KB Output is correct
68 Correct 230 ms 57388 KB Output is correct
69 Correct 259 ms 61936 KB Output is correct
70 Correct 253 ms 61008 KB Output is correct
71 Correct 263 ms 61268 KB Output is correct
72 Correct 247 ms 61780 KB Output is correct
73 Correct 17 ms 604 KB Output is correct
74 Correct 2 ms 604 KB Output is correct
75 Correct 366 ms 31716 KB Output is correct
76 Correct 296 ms 31828 KB Output is correct
77 Correct 857 ms 63144 KB Output is correct
78 Correct 770 ms 63136 KB Output is correct
79 Correct 776 ms 63396 KB Output is correct
80 Correct 295 ms 63060 KB Output is correct
81 Correct 296 ms 63060 KB Output is correct
82 Correct 310 ms 63052 KB Output is correct
83 Correct 303 ms 63140 KB Output is correct
84 Correct 307 ms 63140 KB Output is correct
85 Correct 303 ms 63184 KB Output is correct
86 Correct 651 ms 63376 KB Output is correct
87 Correct 658 ms 63060 KB Output is correct
88 Correct 678 ms 63396 KB Output is correct
89 Correct 330 ms 63116 KB Output is correct
90 Execution timed out 3532 ms 62396 KB Time limit exceeded
91 Halted 0 ms 0 KB -