結果
問題 | No.1391 ±1 Abs Sum |
ユーザー | RheoTommy |
提出日時 | 2021-02-12 23:18:02 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,942 bytes |
コンパイル時間 | 2,237 ms |
コンパイル使用メモリ | 208,652 KB |
実行使用メモリ | 8,320 KB |
最終ジャッジ日時 | 2024-07-20 00:54:19 |
合計ジャッジ時間 | 19,587 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | WA | - |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | WA | - |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 776 ms
8,320 KB |
testcase_12 | AC | 742 ms
7,424 KB |
testcase_13 | WA | - |
testcase_14 | AC | 26 ms
5,968 KB |
testcase_15 | AC | 30 ms
6,020 KB |
testcase_16 | AC | 38 ms
7,536 KB |
testcase_17 | AC | 34 ms
7,400 KB |
testcase_18 | AC | 47 ms
8,152 KB |
testcase_19 | AC | 730 ms
7,280 KB |
testcase_20 | AC | 652 ms
8,132 KB |
testcase_21 | AC | 850 ms
7,604 KB |
testcase_22 | AC | 722 ms
7,480 KB |
testcase_23 | AC | 921 ms
8,076 KB |
testcase_24 | WA | - |
testcase_25 | AC | 813 ms
7,988 KB |
testcase_26 | AC | 1,388 ms
8,048 KB |
testcase_27 | AC | 874 ms
6,168 KB |
testcase_28 | AC | 581 ms
6,208 KB |
testcase_29 | AC | 1,269 ms
7,928 KB |
testcase_30 | AC | 678 ms
7,356 KB |
testcase_31 | AC | 47 ms
8,200 KB |
testcase_32 | AC | 24 ms
5,884 KB |
testcase_33 | AC | 28 ms
6,128 KB |
testcase_34 | AC | 1,426 ms
8,272 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 453 ms
8,320 KB |
ソースコード
//@formatter:off #include<bits/stdc++.h> #define overload4(_1, _2, _3, _4, name, ...) name #define rep1(i, n) for (ll i = 0; i < ll(n); ++i) #define rep2(i, s, n) for (ll i = ll(s); i < ll(n); ++i) #define rep3(i, s, n, d) for(ll i = ll(s); i < ll(n); i+=d) #define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__) #define rrep(i, n) for (ll i = ll(n)-1; i >= 0; i--) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define popcount(x) __builtin_popcount(x) #define pb push_back #define eb emplace_back #ifdef __LOCAL #define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; } #else #define debug(...) void(0) #endif #define INT(...) int __VA_ARGS__;scan(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__) #define STR(...) string __VA_ARGS__;scan(__VA_ARGS__) #define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__) #define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__) #define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__) using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; using LP = pair<ll, ll>; using vi = vector<int>; using vvi = vector<vector<int>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vd = vector<double>; using vvd = vector<vector<double>>; using vs = vector<string>; using vc = vector<char>; using vvc = vector<vector<char>>; using vb = vector<bool>; using vvb = vector<vector<bool>>; using vp = vector<P>; using vvp = vector<vector<P>>; template<class S, class T> istream &operator>>(istream &is, pair<S, T> &p) { return is >> p.first >> p.second; } template<class S, class T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << '{' << p.first << "," << p.second << '}'; } template<class T> istream &operator>>(istream &is, vector<T> &v) { for (T &t:v) { is >> t; } return is; } template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '['; rep(i, v.size())os << v[i] << (i == int(v.size() - 1) ? "" : ","); return os << ']'; } template<class T> void vecout(const vector<T> &v, char div = '\n') { rep(i, v.size()) cout << v[i] << (i == int(v.size() - 1) ? '\n' : div); } template<class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } void scan() {} template<class Head, class... Tail> void scan(Head &head, Tail &... tail) { cin >> head; scan(tail...); } template<class T> void print(const T &t) { cout << t << '\n'; } template<class Head, class... Tail> void print(const Head &head, const Tail &... tail) { cout << head << ' '; print(tail...); } template<class... T> void fin(const T &... a) { print(a...); exit(0); } const string yes[] = {"no", "yes"}; const string Yes[] = {"No", "Yes"}; const string YES[] = {"NO", "YES"}; const int inf = 1001001001; const ll linf = 1001001001001001001; //@formatter:on int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); LL(n, k); vl a(n); cin >> a; sort(all(a)); // O(NlogN) auto fb = [&](ll x) { vl c; for (auto ai:a) c.push_back(abs(ai - x)); sort(all(c)); ll ans = 0; rep(i, k) ans += c[i]; rep(i, k, n) ans -= c[i]; return ans; }; // 実験をすると、おそらくa[0]かa[n-1] // print(fb(-4000)); if (n == 1) fin(fb(a[0])); else if (fb(a[0]) < fb(a[1])) fin(min(fb(a[0]), fb(a[n - 1]))); else { ll l = a[0] - 1; ll r = a[n - 1] + 1; while (r - l > 2) { ll mid1 = (l * 2 + r) / 3; ll mid2 = (l + r * 2) / 3; if (fb(mid1) < fb(mid2)) r = mid2; else l = mid1; } fin(min({fb(l), fb(r), fb(l + 1)})); } }