結果
問題 | No.1715 Dinner 2 |
ユーザー | mtsd |
提出日時 | 2021-10-22 22:48:37 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 9,530 bytes |
コンパイル時間 | 2,043 ms |
コンパイル使用メモリ | 183,760 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-23 06:33:16 |
合計ジャッジ時間 | 3,314 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,948 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 15 ms
6,940 KB |
testcase_13 | AC | 13 ms
6,944 KB |
testcase_14 | AC | 14 ms
6,944 KB |
testcase_15 | AC | 16 ms
6,940 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 | AC | 20 ms
6,944 KB |
testcase_34 | WA | - |
testcase_35 | AC | 20 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | WA | - |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:210:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 210 | auto [x,y] = pq.top(); | ^ main.cpp:226:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 226 | auto [qq,pp] = v[i]; | ^
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define inf 1000000007 #define MP make_pair #define MT make_tuple #define PB push_back #define fi first #define se second #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define rrep(i,n) for(int i = (int)n-1; i >= 0; --i) #define srep(i,a,b) for(int i = (int)a; i < (int)(b); ++i) #define all(x) (x).begin(),(x).end() #define SUM(v) accumulate(all(v), 0LL) #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) #define lb(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define ub(c, x) distance((c).begin(), upper_bound(all(c), (x))) #define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end()) #define SZ(c) (int)(c).size() template<typename T> ostream& operator << (ostream& os, vector<T>& vec) { os << "{"; for (int i = 0; i<(int)vec.size(); i++) { os << vec[i] << (i + 1 == (int)vec.size() ? "" : ", "); } os << "}"; return os; } // pair出力 template<typename T, typename U> ostream& operator << (ostream& os, pair<T, U> pair_var) { os << "(" << pair_var.first << ", " << pair_var.second << ")"; return os; } // map出力 template<typename T, typename U> ostream& operator << (ostream& os, map<T, U>& map_var) { os << "{"; for(auto itr = map_var.begin(); itr != map_var.end(); itr++){ os << "(" << itr->first << ", " << itr->second << ")"; itr++; if(itr != map_var.end()) os << ", "; itr--; } os << "}"; return os; } // set 出力 template<typename T> ostream& operator << (ostream& os, set<T>& set_var) { os << "{"; for(auto itr = set_var.begin(); itr != set_var.end(); itr++){ os << (*itr); ++itr; if(itr != set_var.end()) os << ", "; itr--; } os << "}"; return os; } #define overload2(_1, _2, name, ...) name #define vec(type, name, ...) vector<type> name(__VA_ARGS__) #define VEC(type, name, size) \ vector<type> name(size); \ IN(name) #define vv(type, name, h, ...) vector<vector<type>> name(h, vector<type>(__VA_ARGS__)) #define VV(type, name, h, w) \ vector<vector<type>> name(h, vector<type>(w)); \ IN(name) #define vvv(type, name, h, w, ...) vector<vector<vector<type>>> name(h, vector<vector<type>>(w, vector<type>(__VA_ARGS__))) #define vvvv(type, name, a, b, c, ...) \ vector<vector<vector<vector<type>>>> name(a, vector<vector<vector<type>>>(b, vector<vector<type>>(c, vector<type>(__VA_ARGS__)))) #define INT(...) \ int __VA_ARGS__; \ IN(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ IN(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ IN(__VA_ARGS__) #define CHR(...) \ char __VA_ARGS__; \ IN(__VA_ARGS__) #define DBL(...) \ double __VA_ARGS__; \ IN(__VA_ARGS__) int scan() { return getchar(); } void scan(int &a) { cin >> a; } void scan(long long &a) { cin >> a; } void scan(char &a) { cin >> a; } void scan(double &a) { cin >> a; } void scan(string &a) { cin >> a; } template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); } template <class T> void scan(vector<T> &); template <class T> void scan(vector<T> &a) { for(auto &i : a) scan(i); } template <class T> void scan(T &a) { cin >> a; } void IN() {} template <class Head, class... Tail> void IN(Head &head, Tail &...tail) { scan(head); IN(tail...); } const string YESNO[2] = {"NO", "YES"}; const string YesNo[2] = {"No", "Yes"}; const string yesno[2] = {"no", "yes"}; void YES(bool t = 1) { cout << YESNO[t] << endl; } void NO(bool t = 1) { YES(!t); } void Yes(bool t = 1) { cout << YesNo[t] << endl; } void No(bool t = 1) { Yes(!t); } void yes(bool t = 1) { cout << yesno[t] << endl; } void no(bool t = 1) { yes(!t); } #ifdef LOCAL void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...); } #define dbg(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define dbg(...) (void(0)) #define dump(x) (void(0)) #endif template<typename A, typename T> std::enable_if_t<std::is_convertible<T, A>::value> fill(A& array, const T& val) { array = val; } template<typename A, typename T> std::enable_if_t<!std::is_convertible<T, A>::value> fill(A& array, const T& val) { for (auto& a : array) { fill(a, val); } } template <class T> T ceil(T x, T y) {assert(y >= 1);return (x > 0 ? (x + y - 1) / y : x / y);} template <class T> T floor(T x, T y) {assert(y >= 1);return (x > 0 ? x / y : (x + y - 1) / y);} vector<int> iota(int n) {vector<int> a(n);iota(all(a), 0);return a;} template <class T> T POW(T x, int n) {T res = 1;for(; n; n >>= 1, x *= x){if(n & 1) res *= x;}return res;} ll pow2(int i) { return 1LL << i; } int topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); } int topbit(ll t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); } int lowbit(signed a) { return a == 0 ? 32 : __builtin_ctz(a); } int lowbit(ll a) { return a == 0 ? 64 : __builtin_ctzll(a); } // int allbit(int n) { return (1 << n) - 1; } ll allbit(ll n) { return (1LL << n) - 1; } int popcount(signed t) { return __builtin_popcount(t); } int popcount(ll t) { return __builtin_popcountll(t); } bool ispow2(int i) { return i && (i & -i) == i; } template <class S> void fold_in(vector<S> &v) {} template <typename Head, typename... Tail, class S> void fold_in(vector<S> &v, Head &&a, Tail &&...tail) { for(auto e : a) v.emplace_back(e); fold_in(v, tail...); } template <class S> void renumber(vector<S> &v) {} template <typename Head, typename... Tail, class S> void renumber(vector<S> &v, Head &&a, Tail &&...tail) { for(auto &&e : a) e = lb(v, e); renumber(v, tail...); } template <class S, class... Args> void zip(vector<S> &head, Args &&...args) { vector<S> v; fold_in(v, head, args...); sort(all(v)), v.erase(unique(all(v)), v.end()); renumber(v, head, args...); } template<class T> inline bool chmax(T &a, T b){ if(a<b){ a = b; return true; } return false; } template<class T> inline bool chmin(T &a, T b){ if(a>b){ a = b; return true; } return false; } int main(){ INT(n,d); vec(ll,p,n); vec(ll,q,n); rep(i,n) cin >> p[i] >> q[i]; ll ok = -SUM(p); ll ng = 0; while(ng-ok>1){ ll mid = (ok+ng)/2; priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>> > pq; vector<pair<int,int> > v; rep(i,n){ if(q[i]>=p[i]){ pq.push({p[i],q[i]-p[i]}); }else{ v.push_back({q[i],p[i]}); } } ll T = 0; ll c = 0; while(!pq.empty()){ auto [x,y] = pq.top(); pq.pop(); if(T-x >=mid){ T += y; c++; } } if(c>=d){ ok = mid; continue; } sort(all(v)); reverse(all(v)); vector<ll>dp(d+1,-1LL<<60); dp[c] = T; rep(i,v.size()){ auto [qq,pp] = v[i]; rrep(j,d){ if(dp[j] - pp >= mid){ chmax(dp[j+1],dp[j] -pp+qq); } } } if(dp[d]>=mid){ ok = mid; }else{ ng = mid; } } cout << ok << endl; return 0; }