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Submission #100328

# Submission time Handle Problem Language Result Execution time Memory
100328 2019-03-10T11:47:44 Z tpoppo Simfonija (COCI19_simfonija) C++14
11 / 110
 888 ms 4092 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long
const int MAXN = 1e5 + 10;

int n, k;

int a[MAXN];
int b[MAXN];

int sim(int x){
    vector<int> v;
    for(int i=0;i<n;i++) v.push_back( abs(a[i]-b[i] + x));
    sort(v.begin(),v.end());

    int sm = 0;
    for(int i=0;i<n-k;i++) sm += v[i];

    return sm;
}


signed main() {
    cin.tie(0);
    ios::sync_with_stdio(false);




    cin >> n >> k;
    for(int i=0;i<n;i++) cin >> a[i];

    for(int i=0;i<n;i++) cin >> b[i];

    int l = -2e6;
    int r = 2e6;

    //for(int i=-20;i<20;i++) cout<<i<<": "<<sim(i)<<endl;

    while(l<r){
        //cout<<l<<" "<<r<<endl;
        int m1 = l + (r-l+2)/3;
        int m2 = r - (r-l+2)/3;

        if(sim(m1) < sim(m2)){
            r = m2;
        }else{
            l = m1;
        }
    }

    int rs = 1e9;
    for(int i=-10;i<10;i++){
        rs = min(rs, sim(l+i));
    }


    cout<<rs<<'\n';



    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 755 ms 4092 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 770 ms 3916 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 821 ms 3952 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 362 ms 3924 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 834 ms 3920 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 428 ms 3912 KB Output is correct
2 Incorrect 508 ms 3868 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 888 ms 3876 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 814 ms 3996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 530 ms 4000 KB Output isn't correct
2 Halted 0 ms 0 KB -