結果
| 問題 |
No.798 コレクション
|
| コンテスト | |
| ユーザー |
 ganariya
|
| 提出日時 | 2019-03-15 22:59:38 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,824 bytes |
| コンパイル時間 | 1,281 ms |
| コンパイル使用メモリ | 147,812 KB |
| 最終ジャッジ日時 | 2025-01-06 22:25:45 |
|
ジャッジサーバーID （参考情報） |
judge5 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 22 WA * 1 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:139:49: warning: ‘buy’ may be used uninitialized [-Wmaybe-uninitialized]
139 | vector<vector<LL>> dp(N + 1, vector<LL>(buy + 1, INF));
| ~~~~^~~
main.cpp:125:8: note: ‘buy’ was declared here
125 | LL buy;
| ^~~
ソースコード
//
//
// Codeforces: ganariya
// AtCoder: ganariya2525
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMHBYYYWMMMM#BYYTTTYWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB9O1==?????zzCC111>>;;;;;;;;;;;<?TMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM9Olll=l======??????????>>>>>>;;;;;;;;;:;?TMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMM9ttlllllllll=l=======?????????>>>>>>;;;;;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMBOttOtttttltlllllllll=======??????????>>>>>>>;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMBttwOtttttttttttttlllllllll========?????????>>>>>>;;;;;<TMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMBrwZrttttttttttttttttttlllllllllll======???????????>>>>>>;;?HMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMSw0trtrrtrtrttrtttttttttttttlllOllllll========????<<zz??>>>>>>ZMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMX0ttrtrOOttrttrttOOttttttttttttltwllllllllll========??wy?????>>>vZMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMM0ttrI+wV1rtttttttwZtttttttltttOwylOXOllllllllllll=l====1dkz???????vZdMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMSrrwrtwZCjttttttttwSttOlllltllllwtXOlZkOlllllllllllllll==z+dk===?????X2JMMMMMMMMMMMMM
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// MMMMMMMMMMMMStwdZtwXC<+ttttttOOOd6ltZlltllllttllStWWOOHWytttttltltOllltllz:zHllll===zX=?dMMMMMMMMMMM
// MMMMMMMMMMBrwdKOtwW3;;zrttttwZwXRlldOllltltlltttwlXvktdXWytltttttttOttlttl<<dklllllllZ===dMMMMMMMMMM
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// MMMMMMMMMMMMMMMMNOtXtdMMMMMNxzZMMNmgHyVVVVVW%..?/(.,(x-..........(HfffpffpffpffWHHffpffppfVyyWMMMMMM
//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <complex>
#include <regex>
#include <locale>
#include <random>
#include <type_traits>
using namespace std;
#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v){std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}
using LL = long long;
//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~
constexpr LL INF = 1e14;
int main() {
int N;
cin >> N;
vector<LL> A(N), B(N);
for (int i = 0; i < N; i++) cin >> A[i] >> B[i];
vector<pair<LL, LL>> BA(N);
for (int i = 0; i < N; i++) BA[i] = make_pair(B[i], A[i]);
//sort(BA.rbegin(), BA.rend());
sort(BA.begin(), BA.end(), [](const auto &x, const auto &y) {
if (x.first > y.first) return true;
if (x.first < y.first) return false;
if (x.second < y.second) return true;
if (x.second > y.second) return false;
return false;
});
LL buy;
if (N % 3 == 0) {
buy = N - N / 3;
}
if (N % 3 == 1) {
buy = N - N / 3;
}
if (N % 3 == 2) {
buy = (N + 1) - (N + 1) / 3;
}
//dp[i][j]
//[0, i)番目の品物まででj個買うときの最小の金額
vector<vector<LL>> dp(N + 1, vector<LL>(buy + 1, INF));
dp[0][0] = 0;
for (LL i = 0; i < N; i++) {
for (LL j = 0; j < buy; j++) {
//買うならば
dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + BA[i].second + j * BA[i].first);
//買わないならば
dp[i + 1][j] = min(dp[i + 1][j], dp[i][j]);
}
}
cout << dp[N][buy] << endl;
return 0;
}