oj.uz

Submission #637564

# Submission time Handle Problem Language Result Execution time Memory
637564 2022-09-02T12:25:12 Z stoyan_malinin Long Distance Coach (JOI17_coach) C++14
71 / 100
 2000 ms 8548 KB 
#include <algorithm>
#include <iostream>
#include <vector>
#include <cmath>
#include <set>

using namespace std;

const int MAXN = 2e5;
const int64_t inf = 1e18;

struct Passanger
{
    int64_t d, c;

    Passanger(){}
    Passanger(int64_t d, int64_t c) : d(d), c(c) {}
};

int64_t X, n, m, W, T;
int64_t sources[MAXN+5];
Passanger passangers[MAXN+5];

int64_t depart[MAXN+5];
int64_t endWaterPoints[MAXN+5];

int findLastPassangerBefore(int64_t rem)
{
    int l = 0, r = m - 1, mid;
    while(l+1<r)
    {
        mid = (l+r)/2;

        if(passangers[mid].d<rem) l = mid;
        else r = mid - 1;
    }

    if(passangers[r].d<rem) return r;
    if(passangers[l].d<rem) return l;
    return -1;
}

void init()
{
    sort(sources, sources+n);
    sort(passangers, passangers+m,
    [](const Passanger& A, const Passanger& B)
    {
        if(A.d!=B.d) return A.d<B.d;
        return A.c<B.c;
    });

    for(int i = 0;i<m;i++) depart[i] = -1;

    for(int i = 0;i<n;i++)
    {
        int ind = findLastPassangerBefore(sources[i]%T);
        if(ind!=-1 && depart[ind]==-1) depart[ind] = sources[i];
    }
    {
        int ind = findLastPassangerBefore(X%T);
        if(ind!=-1 && depart[ind]==-1) depart[ind] = X;
    }
}

int64_t dp[MAXN+5];

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> X >> n >> m >> W >> T;
    for(int i = 0;i<n;i++) cin >> sources[i];
    for(int i = 0;i<m;i++) cin >> passangers[i].d >> passangers[i].c;
    init();

    int64_t driverWater = X/T + 1;

    int64_t endWaterPointsSum = 0;
    for(int i = 0;i<m;i++)
    {
        endWaterPoints[i] = ((X-passangers[i].d+(T-1))/T)*T + passangers[i].d;
        endWaterPointsSum += endWaterPoints[i];
    }

    int64_t beginWaterPointsSum = 0;
    for(int i = 0;i<m;i++) beginWaterPointsSum += passangers[i].d;

    for(int i = 0;i<m;i++)
    {
        dp[i] = inf;
        if(i!=0) dp[i] = dp[i-1];
        else dp[i] = 0;

        if(depart[i]!=-1)
        {
            int64_t based = (depart[i]/T)*T;
            int64_t changeSum = 0;

            for(int j = i;j>=0;j--)
            {
                int64_t last = ((j==0)?0:dp[j-1]);
                changeSum += ((based + passangers[j].d - endWaterPoints[j])/T)*W + passangers[j].c;

                dp[i] = min(dp[i], last + changeSum);
            }
        }
    }

    int64_t ans = dp[m-1] + ((endWaterPointsSum-beginWaterPointsSum)/T)*W + driverWater*W;
    cout << ans << '\n';
}
/*
19 1 4 8 7
10
1 20
2 10
4 5
6 5
*/

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 280 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 280 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 280 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 8 ms 444 KB Output is correct
39 Correct 14 ms 340 KB Output is correct
40 Correct 19 ms 444 KB Output is correct
41 Correct 8 ms 340 KB Output is correct
42 Correct 8 ms 444 KB Output is correct
43 Correct 8 ms 440 KB Output is correct
44 Correct 11 ms 340 KB Output is correct
45 Correct 9 ms 340 KB Output is correct
46 Correct 16 ms 444 KB Output is correct
47 Correct 16 ms 340 KB Output is correct
48 Correct 10 ms 444 KB Output is correct
49 Correct 8 ms 444 KB Output is correct
50 Correct 9 ms 452 KB Output is correct
51 Correct 8 ms 340 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 280 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 8 ms 444 KB Output is correct
39 Correct 14 ms 340 KB Output is correct
40 Correct 19 ms 444 KB Output is correct
41 Correct 8 ms 340 KB Output is correct
42 Correct 8 ms 444 KB Output is correct
43 Correct 8 ms 440 KB Output is correct
44 Correct 11 ms 340 KB Output is correct
45 Correct 9 ms 340 KB Output is correct
46 Correct 16 ms 444 KB Output is correct
47 Correct 16 ms 340 KB Output is correct
48 Correct 10 ms 444 KB Output is correct
49 Correct 8 ms 444 KB Output is correct
50 Correct 9 ms 452 KB Output is correct
51 Correct 8 ms 340 KB Output is correct
52 Execution timed out 2071 ms 8548 KB Time limit exceeded
53 Halted 0 ms 0 KB -