oj.uz

Submission #307216

# Submission time Handle Problem Language Result Execution time Memory
307216 2020-09-27T11:13:49 Z Ruxandra985 Carnival Tickets (IOI20_tickets) C++14
100 / 100
 930 ms 54648 KB 
#include <bits/stdc++.h>
#include "tickets.h"
#define DIMN 1510
#define MLD 1000000000

using namespace std;


long long spl[DIMN][DIMN] , spr[DIMN][DIMN];
int prefix[DIMN] , sufix[DIMN];
int f[DIMN];

priority_queue<pair <long long , int> > h;

vector <long long> dp[DIMN] , tt[DIMN];

long long find_maximum(int k, vector<vector<int>> x) {
	int n = x.size() , i , j , take , l , r , poz , st , dr;
	int m = x[0].size();
	long long sol = 0 , maxi;
	vector<vector<int>> answer;
	for (i = 0; i < n; i++) {
		vector<int> row;
		row.resize(m , -1);
		answer.push_back(row);
		sufix[i] = m;
		prefix[i] = k - 1;
	}

	for (i = 0 ; i < n ; i++){

        for (j = 0 ; j < k ; j++)
            sol -= x[i][j];

	}


	for (i = 0 ; i < n ; i++){

        h.push(make_pair(x[i][prefix[i]] + x[i][sufix[i] - 1] , i));

    }

	for (j = 1 ; j <= n * k / 2 ; j++){


        maxi = -1000000000000000000;
        poz = -1;

        maxi = sol + h.top().first;
        poz = h.top().second;

        h.pop();

        sol = maxi;
        prefix[poz]--;
        sufix[poz]--;

        if (prefix[poz] >= 0){

            h.push(make_pair(x[poz][prefix[poz]] + x[poz][sufix[poz] - 1] , poz));

        }

	}



	i = n;
	st = 0;

	while (i){

        l = prefix[i - 1] + 1;

        for (r = 0 ; r < l ; r++){
            answer[i - 1][r] = st;
            st = (st + 1) % k;
        }

        dr = st;

        for (r = 0 ; r < k - l ; r++){
            answer[i - 1][m - 1 - r] = dr;
            dr = (dr + 1) % k;
        }

        i--;

    }

	allocate_tickets(answer);
	return sol;
}

Compilation message

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:18:29: warning: unused variable 'take' [-Wunused-variable]
   18 |  int n = x.size() , i , j , take , l , r , poz , st , dr;
      |                             ^~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 2 ms 896 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 31 ms 2552 KB Output is correct
6 Correct 762 ms 51592 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 29 ms 2552 KB Output is correct
6 Correct 592 ms 52600 KB Output is correct
7 Correct 605 ms 52984 KB Output is correct
8 Correct 4 ms 640 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 6 ms 896 KB Output is correct
13 Correct 21 ms 2176 KB Output is correct
14 Correct 21 ms 2176 KB Output is correct
15 Correct 628 ms 53496 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 45 ms 2552 KB Output is correct
6 Correct 6 ms 768 KB Output is correct
7 Correct 7 ms 1024 KB Output is correct
8 Correct 930 ms 54392 KB Output is correct
9 Correct 847 ms 50808 KB Output is correct
10 Correct 837 ms 50808 KB Output is correct
11 Correct 916 ms 54648 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 640 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 640 KB Output is correct
13 Correct 31 ms 2552 KB Output is correct
14 Correct 31 ms 2552 KB Output is correct
15 Correct 33 ms 2552 KB Output is correct
16 Correct 36 ms 2552 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 3 ms 640 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 27 ms 2432 KB Output is correct
21 Correct 33 ms 2472 KB Output is correct
22 Correct 29 ms 2432 KB Output is correct
23 Correct 35 ms 2552 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 2 ms 896 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 31 ms 2552 KB Output is correct
12 Correct 762 ms 51592 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 29 ms 2552 KB Output is correct
18 Correct 592 ms 52600 KB Output is correct
19 Correct 605 ms 52984 KB Output is correct
20 Correct 4 ms 640 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 21 ms 2176 KB Output is correct
26 Correct 21 ms 2176 KB Output is correct
27 Correct 628 ms 53496 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 45 ms 2552 KB Output is correct
33 Correct 6 ms 768 KB Output is correct
34 Correct 7 ms 1024 KB Output is correct
35 Correct 930 ms 54392 KB Output is correct
36 Correct 847 ms 50808 KB Output is correct
37 Correct 837 ms 50808 KB Output is correct
38 Correct 916 ms 54648 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 3 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 640 KB Output is correct
51 Correct 31 ms 2552 KB Output is correct
52 Correct 31 ms 2552 KB Output is correct
53 Correct 33 ms 2552 KB Output is correct
54 Correct 36 ms 2552 KB Output is correct
55 Correct 1 ms 384 KB Output is correct
56 Correct 3 ms 640 KB Output is correct
57 Correct 2 ms 512 KB Output is correct
58 Correct 27 ms 2432 KB Output is correct
59 Correct 33 ms 2472 KB Output is correct
60 Correct 29 ms 2432 KB Output is correct
61 Correct 35 ms 2552 KB Output is correct
62 Correct 85 ms 6136 KB Output is correct
63 Correct 84 ms 6136 KB Output is correct
64 Correct 99 ms 6392 KB Output is correct
65 Correct 375 ms 23640 KB Output is correct
66 Correct 405 ms 24056 KB Output is correct
67 Correct 7 ms 1024 KB Output is correct
68 Correct 6 ms 768 KB Output is correct
69 Correct 751 ms 51448 KB Output is correct
70 Correct 862 ms 52580 KB Output is correct
71 Correct 919 ms 54380 KB Output is correct
72 Correct 696 ms 52600 KB Output is correct
73 Correct 885 ms 52348 KB Output is correct
74 Correct 645 ms 50808 KB Output is correct
75 Correct 812 ms 51064 KB Output is correct