oj.uz

Submission #737927

# Submission time Handle Problem Language Result Execution time Memory
737927 2023-05-08T01:35:01 Z GrindMachine Krov (COCI17_krov) C++17
84 / 140
 1500 ms 3232 KB 
// Om Namah Shivaya

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x, y) ((x + y - 1) / (y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i, n) for(int i = 0; i < n; ++i)
#define rep1(i, n) for(int i = 1; i <= n; ++i)
#define rev(i, s, e) for(int i = s; i >= e; --i)
#define trav(i, a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a, b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a, b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*



*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

void solve(int test_case)
{
    ll n; cin >> n;
    vector<ll> a(n + 5);
    rep1(i, n) cin >> a[i];

    ll ans = inf2;

    rep1(i, n) {
        vector<ll> b;
        rep1(j, n) {
            ll dis = abs(i - j);
            b.pb(dis + a[j]);
        }

        sort(all(b));

        ll mn_put = max((ll) i - 1, n - i);
        ll put = max(b[n / 2], -inf2);
        ll ops = 0;

        rep1(j, n) {
            ll h = put - abs(i - j);
            if (h <= 0) {
                ops = inf2;
            }
            ops += abs(h - a[j]);
        }

        amin(ans, ops);
    }

    cout << ans << endl;
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Compilation message

krov.cpp: In function 'void solve(int)':
krov.cpp:79:12: warning: unused variable 'mn_put' [-Wunused-variable]
   79 |         ll mn_put = max((ll) i - 1, n - i);
      |            ^~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 332 KB Output is correct
2 Correct 54 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 212 KB Output is correct
2 Correct 51 ms 348 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 344 KB Output is correct
2 Correct 129 ms 348 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 364 KB Output is correct
2 Correct 162 ms 460 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 388 KB Output is correct
2 Correct 315 ms 372 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1267 ms 448 KB Output is correct
2 Correct 797 ms 444 KB Output is correct
3 Correct 252 ms 380 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1589 ms 1080 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1559 ms 1592 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1576 ms 2560 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1573 ms 3232 KB Time limit exceeded
2 Halted 0 ms 0 KB -