結果
問題 | No.1029 JJOOII 3 |
ユーザー |
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提出日時 | 2020-04-17 22:19:06 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,322 bytes |
コンパイル時間 | 2,120 ms |
コンパイル使用メモリ | 181,332 KB |
実行使用メモリ | 194,392 KB |
最終ジャッジ日時 | 2024-10-03 13:44:05 |
合計ジャッジ時間 | 6,351 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 37 WA * 1 |
ソースコード
#include <bits/stdc++.h> using namespace std; #define DEBUG(x) cerr<<#x<<": "<<x<<endl; #define DEBUG_VEC(v) cerr<<#v<<":";for(int i=0;i<v.size();i++) cerr<<" "<<v[i]; cerr<<endl; #define DEBUG_MAT(v) cerr<<#v<<endl;for(int i=0;i<v.size();i++){for(int j=0;j<v[i].size();j++) {cerr<<v[i][j]<<" ";}cerr<<endl;} typedef long long ll; #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector< vector<int> > #define vll vector< vector<ll> > #define vs vector<string> #define pii pair<int,int> #define pis pair<int,string> #define psi pair<string,int> #define pll pair<ll,ll> template<class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template<class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template<class S, class T> ostream& operator<<(ostream& os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(int)(n);i>0;i--) #define REP(i,a,b) for(int i=a;i<b;i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(),c.end() 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 (a>b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; #define Sp(p) cout<<setprecision(25)<< fixed<<p<<endl; //int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; //int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1}; vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; #define fio() cin.tie(0); ios::sync_with_stdio(false); //const ll MOD = 1000000007; const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' int n, k; const int N = 82; vector<string> s; vl c; vii J(N), O(N), I(N); vll calc_dp(vii num) { vll dp(n + 1, vl(k + 82, INF)); dp[0][0] = 0; rep1 (i, n) { rep (j, k + 82) { chmin(dp[i][j], dp[i - 1][j]); if (num[i - 1].back() > 0 and j - num[i - 1].back() >= 0) { chmin(dp[i][j], dp[i - 1][j - num[i - 1].back()] + c[i - 1]); chmin(dp[i][j], dp[i][j - num[i - 1].back()] + c[i - 1]); } } } ll mi = INF; rrep (j, k + 82) { chmin(mi, dp[n][j]); dp[n][j] = mi; } return dp; } bool only_one(string s) { string tar = "JOI"; int j = 0; int cnt = 0; rep (i, s.size()) { if (s[i] == tar[j]) { cnt++; if (cnt == k) { cnt = 0; j++; if (j == 3) break; } } } return j == 3; } signed main() { fio(); cin >> n >> k; s.resize(n); c.resize(n); bool flagI = false, flagJ = false, flagO = false; rep (i, n) { cin >> s[i] >> c[i]; rep (j, s[i].size()) { if (s[i][j] == 'J') flagJ = true; else if (s[i][j] == 'O') flagO = true; else flagI = true; } } if (not flagI or not flagJ or not flagO) { cout << -1 << endl; return 0; } rep (i, n) { J[i].resize(s[i].size() + 1); O[i].resize(s[i].size() + 1); I[i].resize(s[i].size() + 1); for (int j = 0; j < s[i].size(); j++) { J[i][j + 1] += J[i][j]; O[i][j + 1] += O[i][j]; I[i][j + 1] += I[i][j]; if (s[i][j] == 'J') J[i][j + 1]++; else if (s[i][j] == 'O') O[i][j + 1]++; else I[i][j + 1]++; } } // DEBUG_MAT(J); // DEBUG_MAT(O); // DEBUG_MAT(I); vll dpj = calc_dp(J); vll dpo = calc_dp(O); vll dpi = calc_dp(I); // DEBUG_MAT(dpj); // DEBUG_MAT(dpo); // DEBUG_MAT(dpi); ll mi = INF; rep (i, n) { if (only_one(s[i])) chmin(mi, c[i]); } rep (i, n) { for (int j = 0; j <= s[i].size(); j++) { for (int l = j + 1; l <= s[i].size(); l++) { if (O[i][l] - O[i][j] < k) continue; ll ans = c[i] + c[l]; ll fu_J = max(0LL, k - J[i][j]); ll fu_I = max(0LL, k - (I[i].back() - I[i][l])); ans += dpj[n][fu_J] + dpi[n][fu_I]; chmin(mi, ans); } } } rep (i, n) { for (int j = 0; j <= s[i].size(); j++) { rep (l, n) { for (int m = 0; m <= s[l].size(); m++) { ll ans = c[i] + c[l]; ll fu_J = max(0LL, k - J[i][j]); ll fu_O = max(0LL, k - (O[i].back() - O[i][j]) - O[l][m]); ll fu_I = max(0LL, k - (I[l].back() - I[l][m])); ans += dpj[n][fu_J] + dpo[n][fu_O] + dpi[n][fu_I]; chmin(mi, ans); } } } } cout << mi << endl; }