oj.uz

Submission #212132

# Submission time Handle Problem Language Result Execution time Memory
212132 2020-03-22T10:11:47 Z NONAME Holding (COCI20_holding) C++17
55 / 110
 156 ms 36152 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 55 * 55
#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 = 1e9, k, a[55], sm, p, sum;
short int i, j, l, r, n, t, nt, le;
int f[N][55][55];
vector <short int> v, v1;

bool cmp(short int i, short int j) {return a[i] > a[j];}
bool cmp1(short int i, short 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;
    k = min(k, N - 5);
    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 (int cost = 0; cost <= k; cost++)
      for (i = 0; i <= n + 1; i++)
        for (j = 0; j <= n + 1; j++) f[cost][i][j] = 1e9;
    f[0][0][0] = sm;
    for (t = 0; t < v.size(); t++)
        for (sum = 0; sum <= k; sum++)
            for (le = 0; le <= v1.size(); le++)
        {
            if (f[sum][le][t] == 1e9) 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 (int cost = 0; cost <= k; cost++)
      for (i = 0; i <= n + 1; i++)
        for (j = 0; j <= n + 1; j++) ans = min(ans, f[cost][i][j]);
    cout << ans;
}

Compilation message

holding.cpp: In function 'int main()':
holding.cpp:54:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (t = 0; t < v.size(); t++)
                 ~~^~~~~~~~~~
holding.cpp:56:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (le = 0; le <= v1.size(); le++)
                          ~~~^~~~~~~~~~~~
holding.cpp:59:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (i = le + 1; i <= v1.size(); i++)
                              ~~^~~~~~~~~~~~
holding.cpp:60:36: 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 17 ms 21120 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 17 ms 21120 KB Output is correct
8 Correct 8 ms 896 KB Output is correct
9 Correct 19 ms 1280 KB Output is correct
10 Correct 27 ms 1536 KB Output is correct
11 Correct 65 ms 2560 KB Output is correct
12 Correct 12 ms 1408 KB Output is correct
13 Correct 156 ms 36152 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 17 ms 21120 KB Output is correct
8 Correct 8 ms 896 KB Output is correct
9 Correct 19 ms 1280 KB Output is correct
10 Correct 27 ms 1536 KB Output is correct
11 Correct 65 ms 2560 KB Output is correct
12 Correct 12 ms 1408 KB Output is correct
13 Correct 156 ms 36152 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 6 ms 1280 KB Output is correct
16 Incorrect 8 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 17 ms 21120 KB Output is correct
8 Correct 8 ms 896 KB Output is correct
9 Correct 19 ms 1280 KB Output is correct
10 Correct 27 ms 1536 KB Output is correct
11 Correct 65 ms 2560 KB Output is correct
12 Correct 12 ms 1408 KB Output is correct
13 Correct 156 ms 36152 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 6 ms 1280 KB Output is correct
16 Incorrect 8 ms 896 KB Output isn't correct
17 Halted 0 ms 0 KB -