oj.uz

Submission #852927

# Submission time Handle Problem Language Result Execution time Memory
852927 2023-09-23T07:50:11 Z hngwlog Wiring (IOI17_wiring) C++14
0 / 100
 1 ms 596 KB 
#include <bits/stdc++.h>
#include "wiring.h"
using namespace std;

#define fi first
#define se second
#define _size(x) (int)x.size()
#define BIT(i, x) ((x >> i) & 1)
#define MASK(n) ((1 << n) - 1)
#define REP(i, n) for (int i = 0, _n = (n); i < _n; i++)
#define FOR(i, a, b) for (int i = a, _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = a, _b = (b); i >= _b; i--)
#define FORB1(i, mask) for (int i = mask; i > 0; i ^= i & - i)
#define FORB0(i, n, mask) for (int i = ((1 << n) - 1) ^ mask; i > 0; i ^= i & - i)
#define FORALL(i, a) for (auto i: a)
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);

long long min_total_length(vector<int> r, vector<int> b) {

    vector<long long> sum(_size(b));
    REP(i, _size(b)) sum[i] = b[i] + (i > 0 ? sum[i - 1] : 0);
    long long ans = 0;
    int j = 0;
    REP(i, _size(r) - 1) {
        int pos = upper_bound(b.begin(), b.end(), (r[i] + r[i + 1]) / 2) - b.begin();
        pos--;
        if (pos <= j) {
            ans += abs(r[i] - b[j]);
            j++;
            continue;
        }
        pos = min(pos, _size(b) - 1 - (_size(r) - i - 1));
        int _pos = lower_bound(b.begin(), b.end(), r[i]) - b.begin();
        _pos = min(_pos, pos);
        if (j <= _pos - 1) ans += 1LL * (_pos - j) * r[i] - (sum[_pos - 1] - (j ? sum[j - 1] : 0));
        if (_pos <= pos) ans += sum[pos] - (_pos ? sum[_pos - 1] : 0) - 1LL * (pos - _pos + 1) * r[i];
        j = pos + 1;
    }
    FOR(i, j, _size(b) - 1) ans += abs(r.back() - b[i]);
    return ans;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '25859', found: '11'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '904', found: '1016'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB 3rd lines differ - on the 1st token, expected: '17703', found: '-12210'
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB 3rd lines differ - on the 1st token, expected: '27', found: '19'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '25859', found: '11'
2 Halted 0 ms 0 KB -