oj.uz

Submission #212137

# Submission time Handle Problem Language Result Execution time Memory
212137 2020-03-22T10:26:55 Z NONAME Holding (COCI20_holding) C++17
55 / 110
 223 ms 118776 KB 
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#define F first
#define S second
#define pb push_back
#define N 110 * 110
#define M ll(1e9 + 7)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e18)
#define el '\n'
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less_equal <int> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef long double ld;

int ans, k, a[55], sm, p, sum;
short int i, j, l, r, n, t, nt, le;
int f[N][55][55];
vector <int> v, v1;

bool cmp(int i, int j) {return a[i] > a[j];}
bool cmp1(int i, int j) {return a[i] < a[j];}

int main()
{
//    srand(time(0));
    ios_base::sync_with_stdio(0);
    iostream::sync_with_stdio(0);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
//    in("input.txt");
//    out("output.txt");
    cin >> n >> l >> r >> k;
    for (i = 1; i <= n; i++) cin >> a[i];

    for (i = l; i <= r; i++) sm += a[i], v.pb(i);

    for (i = 1; i < l; i++) v1.pb(i);
    for (i = r + 1; i <= n; i++) v1.pb(i);

    sort(v.begin(), v.end(), cmp);
    sort(v1.begin(), v1.end(), cmp1);

    for (sum = 0; sum <= k; sum++)
      for (i = 0; i <= n + 1; i++)
        for (j = 0; j <= n + 1; j++) f[sum][i][j] = sm + 1;

    f[0][0][0] = ans = sm;

    for (sum = 0; sum <= k; sum++)
      for (t = 0; t < v.size(); t++)
            for (le = 0; le <= v1.size(); le++)
        {

            if (f[sum][le][t] == sm + 1) continue;

            for (i = le + 1; i <= v1.size(); i++)
               for (nt = t + 1; nt <= v.size(); nt++)
                {

                    if (abs(v1[i - 1] - v[nt - 1]) + sum <= k)
                        f[sum + abs(v1[i - 1] - v[nt - 1])][i][nt] = min(f[sum + abs(v1[i - 1] - v[nt - 1])][i][nt], f[sum][le][t] + a[v1[i - 1]] - a[v[nt - 1]]);
                }

        }

    for (sum = 0; sum <= k; sum++)
      for (i = 0; i <= n + 1; i++)
        for (j = 0; j <= n + 1; j++)
            ans = min(ans, f[sum][i][j]);

    cout << ans;
}

Compilation message

holding.cpp: In function 'int main()':
holding.cpp:60:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for (t = 0; t < v.size(); t++)
                   ~~^~~~~~~~~~
holding.cpp:61:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (le = 0; le <= v1.size(); le++)
                          ~~~^~~~~~~~~~~~
holding.cpp:66:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (i = le + 1; i <= v1.size(); i++)
                              ~~^~~~~~~~~~~~
holding.cpp:67:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                for (nt = t + 1; nt <= v.size(); nt++)
                                 ~~~^~~~~~~~~~~

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 46 ms 68992 KB Output is correct

Subtask #2
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 46 ms 68992 KB Output is correct
8 Correct 8 ms 896 KB Output is correct
9 Correct 18 ms 1280 KB Output is correct
10 Correct 25 ms 1408 KB Output is correct
11 Correct 69 ms 2664 KB Output is correct
12 Correct 12 ms 1536 KB Output is correct
13 Correct 223 ms 118776 KB Output is correct

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 46 ms 68992 KB Output is correct
8 Correct 8 ms 896 KB Output is correct
9 Correct 18 ms 1280 KB Output is correct
10 Correct 25 ms 1408 KB Output is correct
11 Correct 69 ms 2664 KB Output is correct
12 Correct 12 ms 1536 KB Output is correct
13 Correct 223 ms 118776 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 6 ms 1280 KB Output is correct
16 Incorrect 7 ms 896 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 46 ms 68992 KB Output is correct
8 Correct 8 ms 896 KB Output is correct
9 Correct 18 ms 1280 KB Output is correct
10 Correct 25 ms 1408 KB Output is correct
11 Correct 69 ms 2664 KB Output is correct
12 Correct 12 ms 1536 KB Output is correct
13 Correct 223 ms 118776 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 6 ms 1280 KB Output is correct
16 Incorrect 7 ms 896 KB Output isn't correct
17 Halted 0 ms 0 KB -