結果
問題 | No.1715 Dinner 2 |
ユーザー | asaringo |
提出日時 | 2023-11-21 14:32:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,696 bytes |
コンパイル時間 | 3,051 ms |
コンパイル使用メモリ | 218,412 KB |
実行使用メモリ | 7,208 KB |
最終ジャッジ日時 | 2024-09-26 07:10:44 |
合計ジャッジ時間 | 5,027 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | WA | - |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | WA | - |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 11 ms
5,392 KB |
testcase_13 | AC | 9 ms
5,652 KB |
testcase_14 | AC | 15 ms
5,780 KB |
testcase_15 | AC | 12 ms
5,660 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 10 ms
7,208 KB |
testcase_35 | AC | 8 ms
5,376 KB |
testcase_36 | RE | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define overload2(a, b, c, ...) c #define overload3(a, b, c, d, ...) d #define overload4(a, b, c, d, e ...) e #define overload5(a, b, c, d, e, f ...) f #define overload6(a, b, c, d, e, f, g ...) g #define fast_io ios::sync_with_stdio(false); cin.tie(nullptr); #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math") typedef long long ll; typedef long double ld; #define chmin(a,b) a = min(a,b); #define chmax(a,b) a = max(a,b); #define bit_count(x) __builtin_popcountll(x) #define leading_zero_count(x) __builtin_clz(x) #define trailing_zero_count(x) __builtin_ctz(x) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) a / gcd(a,b) * b #define rep(...) overload3(__VA_ARGS__, rrep, rep1)(__VA_ARGS__) #define rep1(i,n) for(int i = 0 ; i < n ; i++) #define rrep(i,a,b) for(int i = a ; i < b ; i++) #define repi(it,S) for(auto it = S.begin() ; it != S.end() ; it++) #define pt(a) cout << a << endl; #define print(...) printall(__VA_ARGS__); #define debug(a) cout << #a << " " << a << endl; #define all(a) a.begin(), a.end() #define endl "\n"; #define v1(T,n,a) vector<T>(n,a) #define v2(T,n,m,a) vector<vector<T>>(n,v1(T,m,a)) #define v3(T,n,m,k,a) vector<vector<vector<T>>>(n,v2(T,m,k,a)) #define v4(T,n,m,k,l,a) vector<vector<vector<vector<T>>>>(n,v3(T,m,k,l,a)) template<typename T,typename U>istream &operator>>(istream&is,pair<T,U>&p){is>>p.first>>p.second;return is;} template<typename T,typename U>ostream &operator<<(ostream&os,const pair<T,U>&p){os<<p.first<<" "<<p.second;return os;} template<typename T>istream &operator>>(istream&is,vector<T>&v){for(T &in:v){is>>in;}return is;} template<typename T>ostream &operator<<(ostream&os,const vector<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;} template<typename T>istream &operator>>(istream&is,vector<vector<T>>&v){for(T &in:v){is>>in;}return is;} template<typename T>ostream &operator<<(ostream&os,const vector<vector<T>>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?"\n":"");}return os;} template<typename T>ostream &operator<<(ostream&os,const set<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;} template<typename T>ostream &operator<<(ostream&os,const multiset<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;} template<class... Args> void printall(Args... args){for(auto i:initializer_list<common_type_t<Args...>>{args...}) cout<<i<<" ";cout<<endl;} int n, d; vector<pair<ll,ll>> P; bool f(ll x){ vector<pair<ll,ll>> A; vector<pair<ll,ll>> Q; rep(i,n) { auto[a,b] = P[i]; if(a <= b){ Q.push_back({a,b}); } else{ A.push_back({b,a}); } } ll val = 0; ll cnt = 0; sort(all(Q)); sort(all(A),greater<pair<ll,ll>>()); rep(i,n){ auto[a,b] = Q[i]; if(val - a >= x) { val += b - a; cnt++; } } if(cnt >= d) return true; int m = A.size(); int c = d - cnt; vector<vector<ll>> dp(m+1,vector<ll>(c+1,-1e9)); dp[0][0] = val; rep(i,m){ auto[b,a] = A[i]; rep(j,c+1){ chmax(dp[i+1][j],dp[i][j]); if(j < c && dp[i][j] - a >= x) chmax(dp[i+1][j+1], dp[i][j] - a + b); } } return dp[m][c] != -1e9; } void solve(){ cin >> n >> d; P = vector<pair<ll,ll>>(n); cin >> P; ll lef = 0, rig = 1e9; while(rig - lef > 1){ ll mid = (lef + rig) / 2; if(f(-mid)) rig = mid; else lef = mid; } pt(-rig); } int main(){ fast_io int t = 1; // cin >> t; rep(i,t) solve(); }