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Submission #571198

# Submission time Handle Problem Language Result Execution time Memory
571198 2022-06-01T13:46:52 Z Farhan_HY Simfonija (COCI19_simfonija) C++14
44 / 110
 55 ms 18712 KB 
#include <bits/stdc++.h>
#define int long long
#define float double
#define pb push_back
#define F first
#define S second
#define T int t; cin >> t; while(t--)
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;
/// Benzema in the best player in the world
const int inf = 8e18;
const int N = 1e6 + 6;
const int M = 1e3 + 3;
const int LOG = 31;
const int mod = 1e9 + 7;
const float pi = atan(1) * 4;
int n, k, a[N], b[N], cnt[2 * N];
vector<int> v;

main()
{
    IOS
    cin >> n >> k;
    for(int i = 1; i <= n; i++)
        cin >> a[i];
    for(int i = 1; i <= n; i++)
        cin >> b[i];
    int pos = 0, posn = 0, neg = 0, negn = 0, zn = 0;
    for(int i = 1; i <= n; i++)
    {
        if (a[i] < b[i])
            neg += b[i] - a[i], negn++, cnt[b[i] - a[i]]++;
        else if (a[i] > b[i])
            pos += a[i] - b[i], posn++;
        else
            zn++;
    }
    int x = 0, ans = neg + pos;
    for(int i = 1; i <= 2e6; i++)
    {
        neg -= negn;
        negn -= cnt[i];
        pos += posn + zn;
        posn += zn;
        zn = cnt[i];
        if (ans > neg + pos)
            x = i, ans = neg + pos;
        cnt[i] = 0;
    }
    neg = 0, negn = 0, posn = 0, pos = 0, zn = 0;
    for(int i = 1; i <= n; i++)
    {
        if (b[i] < a[i])
            neg += a[i] - b[i], negn++, cnt[a[i] - b[i]]++;
        else if (b[i] > a[i])
            pos += b[i] - a[i], posn++;
        else
            zn++;
    }
    for(int i = 1; i <= 2e6; i++)
    {
        neg -= negn;
        negn -= cnt[i];
        pos += posn + zn;
        posn += zn;
        zn = cnt[i];
        if (ans > neg + pos)
            x = -i, ans = neg + pos;
        cnt[i] = 0;
    }
    ans = 0;
    for(int i = 1; i <= n; i++)
        a[i] += x, v.pb(abs(a[i] - b[i])), ans += abs(a[i] - b[i]);
    sort(v.begin(), v.end(), greater<int>());
    for(int i = 0; i < k; i++)
        ans -= v[i];
    cout << ans;
}
///use scanf

Compilation message

simfonija.cpp:21:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main()
      | ^~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 15956 KB Output is correct
2 Correct 17 ms 15924 KB Output is correct
3 Correct 15 ms 15968 KB Output is correct

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 18704 KB Output is correct
2 Correct 36 ms 18704 KB Output is correct
3 Correct 36 ms 18700 KB Output is correct

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 18712 KB Output is correct
2 Correct 46 ms 18616 KB Output is correct
3 Correct 37 ms 18708 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 18700 KB Output is correct
2 Correct 38 ms 18644 KB Output is correct
3 Correct 36 ms 18644 KB Output is correct

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 18664 KB Output is correct
2 Correct 39 ms 18628 KB Output is correct
3 Incorrect 38 ms 18688 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 42 ms 18628 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 18644 KB Output is correct
2 Incorrect 38 ms 18644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 51 ms 18632 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 55 ms 18628 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 39 ms 18636 KB Output isn't correct
2 Halted 0 ms 0 KB -