Submission #831473

# Submission time Handle Problem Language Result Execution time Memory
831473 2023-08-20T09:33:49 Z WLZ Wiring (IOI17_wiring) C++17
17 / 100
1000 ms 8124 KB
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const ll LINF = (ll) 1e18;

long long min_total_length(std::vector<int> a, std::vector<int> b) {
  int n = (int) a.size(), m = (int) b.size();
  vector< pair<int, int> > v;
  for (int i = 0; i < n; i++) v.emplace_back(a[i], 0);
  for (int i = 0; i < m; i++) v.emplace_back(b[i], 1);
  sort(v.begin(), v.end());
  v.insert(v.begin(), {0, -1});
  vector<int> seg(n + m + 1); seg[1] = 0; seg[0] = -5;
  vector<int> sz;
  int len = 1;
  for (int i = 2; i <= n + m; i++) {
    seg[i] = seg[i - 1];
    len++;
    if (v[i].second != v[i - 1].second) {
      sz.push_back(len - 1);
      seg[i]++, len = 1;
    }
  }
  sz.push_back(len);
  vector<ll> dp(n + m + 1, LINF); dp[0] = 0;
  for (int i = 1; i <= n + m; i++) {
    if (seg[i] == 0) continue;
    int cnt_l = 0, cnt_r = 0;
    ll sum_l = 0, sum_r = 0;
    ll last_l = 0, last_r = -1;
    for (int j = i - 1; j >= 0; j--) {
      if (seg[j + 1] == seg[i]) {
        cnt_l++; sum_l += v[j + 1].first;
        last_l = v[j + 1].first;
      }
      if (seg[j + 1] == seg[i] - 1) {
        cnt_r++; sum_r += v[j + 1].first;
        if (last_r == -1) last_r = v[j + 1].first;
      }
      if (cnt_r > 0) {
        ll add = sum_l - sum_r;
        if (cnt_l > cnt_r) add -= last_r * (cnt_l - cnt_r);
        else add += last_l * (cnt_r - cnt_l);
        dp[i] = min(dp[i], dp[j + 1] + add);
        dp[i] = min(dp[i], dp[j] + add);
      } 
      if (seg[j] < seg[i] - 1) break;
    }
  }
  return dp[n + m];
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 260 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Execution timed out 1093 ms 4340 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 38 ms 6264 KB Output is correct
4 Correct 38 ms 7708 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 36 ms 8124 KB Output is correct
19 Correct 36 ms 8092 KB Output is correct
20 Correct 39 ms 8092 KB Output is correct
21 Correct 36 ms 8100 KB Output is correct
22 Correct 37 ms 8124 KB Output is correct
23 Correct 38 ms 8092 KB Output is correct
24 Correct 38 ms 8056 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1086 ms 5688 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 260 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Execution timed out 1093 ms 4340 KB Time limit exceeded
20 Halted 0 ms 0 KB -