Luzhiled's Library

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:heavy_check_mark: test/verify/aoj-dpl-1-c.test.cpp

Depends on

Code

#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_1_C"

#include "../../template/template.hpp"

#include "../../dp/knapsack.hpp"

int main() {
  int N, W;
  cin >> N >> W;
  vector< int > v(N), w(N);
  for(int i = 0; i < N; i++) cin >> v[i] >> w[i];
  auto ret = knapsack(w, v, W, -1);
  cout << *max_element(begin(ret), end(ret)) << endl;
}
#line 1 "test/verify/aoj-dpl-1-c.test.cpp"
#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_1_C"

#line 1 "template/template.hpp"
#include<bits/stdc++.h>

using namespace std;

using int64 = long long;
const int mod = 1e9 + 7;

const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
  os << p.first << " " << p.second;
  return os;
}

template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
  is >> p.first >> p.second;
  return is;
}

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < (int) v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template< typename T = int64 >
vector< T > make_v(size_t a) {
  return vector< T >(a);
}

template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
  return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}

template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
  t = v;
}

template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
  for(auto &e : t) fill_v(e, v);
}

template< typename F >
struct FixPoint : F {
  explicit FixPoint(F &&f) : F(forward< F >(f)) {}

  template< typename... Args >
  decltype(auto) operator()(Args &&... args) const {
    return F::operator()(*this, forward< Args >(args)...);
  }
};
 
template< typename F >
inline decltype(auto) MFP(F &&f) {
  return FixPoint< F >{forward< F >(f)};
}
#line 4 "test/verify/aoj-dpl-1-c.test.cpp"

#line 1 "dp/knapsack.hpp"
template< typename T, typename Compare = greater< T > >
vector< T > knapsack(const vector< int > &w, const vector< T > &v, const int &W, const T &NG, const Compare &comp = Compare()) {
  const int N = (int) w.size();
  vector< T > dp(W + 1, NG);
  dp[0] = T();
  for(int i = 0; i < N; i++) {
    for(int j = w[i]; j <= W; j++) {
      if(dp[j - w[i]] != NG) {
        if(comp(dp[j - w[i]] + v[i], dp[j])) {
          dp[j] = dp[j - w[i]] + v[i];
        }
      }
    }
  }
  return dp;
}
#line 6 "test/verify/aoj-dpl-1-c.test.cpp"

int main() {
  int N, W;
  cin >> N >> W;
  vector< int > v(N), w(N);
  for(int i = 0; i < N; i++) cin >> v[i] >> w[i];
  auto ret = knapsack(w, v, W, -1);
  cout << *max_element(begin(ret), end(ret)) << endl;
}
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