Submission #532071

#TimeUsernameProblemLanguageResultExecution timeMemory
532071rk42745417Coin Collecting (JOI19_ho_t4)C++17
37 / 100
112 ms274436 KiB
#include <bits/stdc++.h> using namespace std; #define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0); using ll = int64_t; using ull = uint64_t; using uint = uint32_t; using ld = long double; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; const ll LINF = ll(4e15) + ll(2e15); const double EPS = 1e-9; static int LamyIsCute = []() { EmiliaMyWife return 48763; }(); signed main() { int n; cin >> n; vector<vector<ll>> dp(n + 1, vector<ll>(n + 1, LINF)); vector<pair<ll, ll>> arr(n * 2); for(int i = 0; i < n * 2; i++) cin >> arr[i].first >> arr[i].second; sort(arr.begin(), arr.end()); dp[0][0] = 0; for(int i = 0; i <= n; i++) { for(int j = 0; j <= n; j++) { int x = i + j; if(i < n) dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + abs(arr[x].first - (i + 1)) + abs(arr[x].second - 2)); if(j < n) dp[i][j + 1] = min(dp[i][j + 1], dp[i][j] + abs(arr[x].first - (j + 1)) + abs(arr[x].second - 1)); } } cout << dp[n][n] << '\n'; }
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