結果
問題 | No.2866 yuusaan's Knapsack |
ユーザー | 👑 amentorimaru |
提出日時 | 2024-08-31 02:26:22 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 311 ms / 2,000 ms |
コード長 | 4,830 bytes |
コンパイル時間 | 5,822 ms |
コンパイル使用メモリ | 249,472 KB |
実行使用メモリ | 204,336 KB |
最終ジャッジ日時 | 2024-09-26 14:37:57 |
合計ジャッジ時間 | 11,116 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 | 19 ms
14,420 KB |
testcase_01 | AC | 10 ms
8,268 KB |
testcase_02 | AC | 22 ms
16,256 KB |
testcase_03 | AC | 6 ms
6,300 KB |
testcase_04 | AC | 7 ms
6,308 KB |
testcase_05 | AC | 6 ms
6,556 KB |
testcase_06 | AC | 296 ms
194,260 KB |
testcase_07 | AC | 236 ms
156,168 KB |
testcase_08 | AC | 274 ms
182,092 KB |
testcase_09 | AC | 255 ms
168,212 KB |
testcase_10 | AC | 273 ms
180,128 KB |
testcase_11 | AC | 193 ms
128,292 KB |
testcase_12 | AC | 244 ms
160,228 KB |
testcase_13 | AC | 212 ms
140,336 KB |
testcase_14 | AC | 247 ms
162,188 KB |
testcase_15 | AC | 281 ms
184,180 KB |
testcase_16 | AC | 217 ms
141,352 KB |
testcase_17 | AC | 294 ms
174,320 KB |
testcase_18 | AC | 187 ms
121,844 KB |
testcase_19 | AC | 311 ms
203,096 KB |
testcase_20 | AC | 243 ms
155,572 KB |
testcase_21 | AC | 258 ms
163,984 KB |
testcase_22 | AC | 238 ms
154,160 KB |
testcase_23 | AC | 298 ms
193,444 KB |
testcase_24 | AC | 226 ms
148,572 KB |
testcase_25 | AC | 269 ms
174,060 KB |
testcase_26 | AC | 307 ms
204,336 KB |
testcase_27 | AC | 13 ms
10,492 KB |
testcase_28 | AC | 250 ms
163,340 KB |
ソースコード
#define ATCODER #define _USE_MATH_DEFINES #include<stdio.h> #include<iostream> #include<fstream> #include<algorithm> #include<vector> #include<string> #include <cassert> #include <numeric> #include <unordered_map> #include <unordered_set> #include <queue> #include <math.h> #include <climits> #include <set> #include <map> #include <list> #include <random> #include <iterator> #include <bitset> #include <chrono> #include <type_traits> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; //template<claLR T> using pq = priority_queue<T, vector<T>, greater<T>>; #define FOR(i, a, b) for(ll i=(a); i<(b);i++) #define REP(i, n) for(ll i=0; i<(n);i++) #define ROF(i, a, b) for(ll i=(b-1); i>=(a);i--) #define PER(i, n) for(ll i=n-1; i>=0;i--) #define REPREP(i,j,a,b) for(ll i=0;i<a;i++)for(ll j=0;j<b;j++) #define VV(type) vector< vector<type> > #define VV2(type,n,m,val) vector< vector<type> > val;val.resize(n);for(ll i;i<n;i++)val[i].resize(m) #define vec(type) vector<type> #define VEC(type,n,val) vector<type> val;val.resize(n) #define VL vector<ll> #define VVL vector< vector<ll> > #define VP vector< pair<ll,ll> > #define SZ size() #define all(i) begin(i),end(i) #define SORT(i) sort(all(i)) #define BITI(i) (1<<i) #define BITSET(x,i) x | (ll(1)<<i) #define BITCUT(x,i) x & ~(ll(1)<<i) #define EXISTBIT(x,i) (((x>>i) & 1) != 0) #define ALLBIT(n) (ll(1)<<n-1) #define CHMAX(n,v) n=n<v?v:n #define CHMIN(n,v) n=n>v?v:n #define MP(a,b) make_pair(a,b) #define DET2(x1,y1,x2,y2) (x1)*(y2)-(x2)*(y1) #define DET3(x1,y1,z1,x2,y2,z2,x3,y3,z3) (x1)*(y2)*(z3)+(x2)*(y3)*(z1)+(x3)*(y1)*(z2)-(z1)*(y2)*(x3)-(z2)*(y3)*(x1)-(z3)*(y1)*(x2) #define INC(a) for(auto& v:a)v++; #define DEC(a) for(auto& v:a)v--; #define SQU(x) (x)*(x) #define L0 ll(0) #ifdef ATCODER #include <atcoder/all> using namespace atcoder; using mint = modint1000000007; using mint2 = modint998244353; #endif template<typename T = ll> vector<T> read(size_t n) { vector<T> ts(n); for (size_t i = 0; i < n; i++) cin >> ts[i]; return ts; } template<typename TV, const ll N> void read_tuple_impl(TV&) {} template<typename TV, const ll N, typename Head, typename... Tail> void read_tuple_impl(TV& ts) { get<N>(ts).emplace_back(*(istream_iterator<Head>(cin))); read_tuple_impl<TV, N + 1, Tail...>(ts); } template<typename... Ts> decltype(auto) read_tuple(size_t n) { tuple<vector<Ts>...> ts; for (size_t i = 0; i < n; i++) read_tuple_impl<decltype(ts), 0, Ts...>(ts); return ts; } using val = ll; using func = pair<ll, ll>; val opm(val a, val b) { return min(a, b); } val em() { return 1e18; } val opM(val a, val b) { return max(a, b); } val eM() { return 0; } //val mp(func f, val a) //{ // if (f.first < 0) // return a; // return f; //} //func comp(func f, func g) { // if (g.first < 0) // return f; // return g; //} // //func id() { // return MP(-1, -1); //} ll di[4] = { 1,0,-1,0 }; ll dj[4] = { 0,1,0,-1 }; ll si[4] = { 0,3,3,0 }; ll sj[4] = { 0,0,3,3 }; //ll di[4] = { -1,-1,1,1 }; //ll dj[4] = { -1,1,-1,1 }; ll di8[8] = { 0,-1,-1,-1,0,1,1,1 }; ll dj8[8] = { -1,-1,0,1,1,1,0,-1 }; void solve() { ll n, W; cin >> n >> W; auto [v, w] = read_tuple<ll, ll>(n); ll c = 10000; vector dp(n + 1, vector<ll>(30001, -1e18)); vector rev(n + 1, vector <vector<pair<ll, ll>>>(30001)); vector cv(n + 1, vector<mint2>(30001, 0)); vector vis(n + 1, vector<bool>(30001)); cv[0][c] = 1; vis[0][c] = true; dp[0][c] = 0; REP(i, n) { REP(k, 30001) { if (dp[i + 1][k] < dp[i][k]) { rev[i + 1][k].clear(); rev[i + 1][k].emplace_back(i, k); dp[i + 1][k] = dp[i][k]; } else if (dp[i + 1][k] == dp[i][k]) { rev[i + 1][k].emplace_back(i, k); } if (k + w[i]<0 || k + w[i]>c * 3) { continue; } ll nk = k + w[i]; ll nv = dp[i][k] + v[i]; if (dp[i + 1][nk] < nv) { rev[i + 1][nk].clear(); rev[i + 1][nk].emplace_back(i, k); dp[i + 1][nk] = nv; } else if (dp[i + 1][nk] == nv) { rev[i + 1][nk].emplace_back(i, k); } } } auto dfs = [&](auto self, ll x, ll y) -> mint2 { if (vis[x][y]) { return cv[x][y]; } vis[x][y] = true; mint2 res = 0; for (auto& [nx, ny] : rev[x][y]) { res += self(self, nx, ny); } return cv[x][y] = res; }; ll mx = -1e18; mint2 ans = 0; REP(i, 30001) { if (i > c + W) break; CHMAX(mx, dp[n][i]); } REP(i, 30001) { if (i > c + W) break; if (dp[n][i] == mx) { ans += dfs(dfs, n, i); } } cout << mx << " " << ans.val() << "\n"; return; } int main() { ll t = 1; //cin >> t; while (t--) { solve(); } return 0; }