結果
問題 | No.798 コレクション |
ユーザー | daleksprinter |
提出日時 | 2019-03-15 23:29:10 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 60 ms / 2,000 ms |
コード長 | 2,920 bytes |
コンパイル時間 | 1,786 ms |
コンパイル使用メモリ | 176,628 KB |
実行使用メモリ | 35,584 KB |
最終ジャッジ日時 | 2024-07-01 21:44:08 |
合計ジャッジ時間 | 3,590 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 26 ms
35,072 KB |
testcase_01 | AC | 27 ms
35,200 KB |
testcase_02 | AC | 26 ms
35,200 KB |
testcase_03 | AC | 26 ms
35,328 KB |
testcase_04 | AC | 25 ms
35,072 KB |
testcase_05 | AC | 27 ms
35,328 KB |
testcase_06 | AC | 26 ms
35,200 KB |
testcase_07 | AC | 26 ms
35,200 KB |
testcase_08 | AC | 26 ms
35,328 KB |
testcase_09 | AC | 26 ms
35,200 KB |
testcase_10 | AC | 26 ms
35,072 KB |
testcase_11 | AC | 26 ms
35,200 KB |
testcase_12 | AC | 26 ms
35,200 KB |
testcase_13 | AC | 41 ms
35,456 KB |
testcase_14 | AC | 50 ms
35,456 KB |
testcase_15 | AC | 47 ms
35,456 KB |
testcase_16 | AC | 35 ms
35,584 KB |
testcase_17 | AC | 40 ms
35,456 KB |
testcase_18 | AC | 58 ms
35,456 KB |
testcase_19 | AC | 51 ms
35,456 KB |
testcase_20 | AC | 36 ms
35,456 KB |
testcase_21 | AC | 34 ms
35,456 KB |
testcase_22 | AC | 46 ms
35,456 KB |
testcase_23 | AC | 26 ms
35,200 KB |
testcase_24 | AC | 60 ms
35,456 KB |
testcase_25 | AC | 60 ms
35,456 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i<b;i++) #define revrep(i,a,b) for(int i = a; i > b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define isin(a, b, c) (b <= a && a <= c) #define println cout << "\n"; #define sz(v) (int)v.size() #define bin(x) static_cast<bitset<16> >(x) /* alias */ template<class T> using vec = vector<T>; typedef vector<int> vi; typedef pair<int, int> pi; typedef tuple<int, int, int> ti; typedef map<int, int> mi; typedef set<int> si; /* constant */ const int inf = 1LL << 62; const int mod = 1e9 + 7; const int dx[8]={1,0,-1,0,-1,1,-1,1}; const int dy[8]={0,1,0,-1,-1,-1,1,1}; const string alphabet = "abcdefghijklmnopqrstuvwxyz"; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} template<class T> void printx(T n){cout << n;} template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";} template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;} template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template<class T> void print(T n){printx(n);cout << endl;} template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;} /* general_method */ template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* main */ int n; vi a; vi b; vec<pi> arr; void in(){ cin >> n; rep(i,0,n){ int ai, bi; cin >> ai >> bi; a.push_back(ai); b.push_back(bi); arr.push_back(pi(bi, i)); } sort(all(arr)); reverse(all(arr)); } int dp[2020][2020]; int dfs(int i, int j){ if(i == n) return (j == n / 3 ? 0 : inf); if(dp[i][j] > -1) return dp[i][j]; int ans = inf; int ind = arr[i].second; chmin(ans, dfs(i + 1, j + 1)); chmin(ans, a[ind] + (i - j) * b[ind] + dfs(i + 1, j)); return dp[i][j] = ans; } void solve(){ memset(dp, -1, sizeof(dp)); print(dfs(0, 0)); } signed main(){ cin.tie(0); ios::sync_with_stdio(false); in(); solve(); }