Submission #332181

#	Time	Username	Problem	Language	Result	Execution time	Memory
332181		LifeHappen__	Roller Coaster Railroad (IOI16_railroad)	C++14	Compilation error	0 ms	0 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>

using namespace std;

#define ii pair<int, int>
#define fi first
#define se second
#define pb push_back
#define eb emplace_back

struct dsu {
  vector <int> par;
  void init(int n){
    par.assign(n, 0);
    for (int i = 0; i < n; ++i) par[i] = i;
  }
  int findset(int u) {
    if(par[u] == u) return u;
    return par[u] = findset(par[u]);
  }
  bool mergeset(int u, int v) {
    u = findset(u), v = findset(v);
    if(u == v) return false;
    par[v] = u; return true;
  }
} pa;

long long plan_roller_coaster(vector<int> s, vector<int> t) {
  int n = s.size();
  vector <ii> vals;
  int all_mask = 1ll << n;
  int64_t inf = 1e18;
  vector <vector<int64_t>> dp(all_mask, vector<int64_t>(n+1, inf));
  for (int i = 0; i < n; ++i) {
    dp[1 << i][i] = 0;
  }
  vector<ii> order_mask;
  for (int i = 2; i < all_mask; ++i) {
    order_mask.eb(__builtin_popcount(i), i);
  }
  sort(begin(order_mask), end(order_mask));
  for (ii &_ : order_mask) {
    int mask = _.se;
    for (int i = 0; i < n; ++i) {
      if(mask >> i & 1) {
        int pre = mask ^ (1ll << i);
        for (int j = 0; j < n; ++j) {
          if(pre >> j & 1) {
            dp[mask][i] = min(dp[mask][i], dp[pre][j] + 1ll * max(0, t[i] - s[j]));
          }
        }
      }
    }
  }
  long long ans = inf;
  for (int i = 0; i < n; ++i) ans = min(ans, dp[all_mask - 1][i]);
  return ans;
}

#ifdef LOCAL
int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0); cout.tie(0);

  freopen("in.txt", "r", stdin);

  int n; cin >> n;
  vector <int> s(n), t(n);
  for (int i = 0; i < n; ++i) {
    cin >> s[i] >> t[i];
  }
  cout << plan_roller_coaster(s, t);
}
#endif //LOCAL

Compilation message (stderr)

railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:50:82: error: no matching function for call to 'min(__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type&, long long int)'
   50 |             dp[mask][i] = min(dp[mask][i], dp[pre][j] + 1ll * max(0, t[i] - s[j]));
      |                                                                                  ^
In file included from /usr/include/c++/9/vector:60,
                 from railroad.h:3,
                 from railroad.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:198:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  198 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:198:5: note:   template argument deduction/substitution failed:
railroad.cpp:50:82: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'long long int')
   50 |             dp[mask][i] = min(dp[mask][i], dp[pre][j] + 1ll * max(0, t[i] - s[j]));
      |                                                                                  ^
In file included from /usr/include/c++/9/vector:60,
                 from railroad.h:3,
                 from railroad.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:246:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  246 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:246:5: note:   template argument deduction/substitution failed:
railroad.cpp:50:82: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'long long int')
   50 |             dp[mask][i] = min(dp[mask][i], dp[pre][j] + 1ll * max(0, t[i] - s[j]));
      |                                                                                  ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from railroad.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3444:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3444 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3444:5: note:   template argument deduction/substitution failed:
railroad.cpp:50:82: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   50 |             dp[mask][i] = min(dp[mask][i], dp[pre][j] + 1ll * max(0, t[i] - s[j]));
      |                                                                                  ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from railroad.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3450:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3450 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
railroad.cpp:50:82: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   50 |             dp[mask][i] = min(dp[mask][i], dp[pre][j] + 1ll * max(0, t[i] - s[j]));
      |                                                                                  ^
railroad.cpp:57:65: error: no matching function for call to 'min(long long int&, __gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type&)'
   57 |   for (int i = 0; i < n; ++i) ans = min(ans, dp[all_mask - 1][i]);
      |                                                                 ^
In file included from /usr/include/c++/9/vector:60,
                 from railroad.h:3,
                 from railroad.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:198:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  198 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:198:5: note:   template argument deduction/substitution failed:
railroad.cpp:57:65: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type' {aka 'long int'})
   57 |   for (int i = 0; i < n; ++i) ans = min(ans, dp[all_mask - 1][i]);
      |                                                                 ^
In file included from /usr/include/c++/9/vector:60,
                 from railroad.h:3,
                 from railroad.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:246:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  246 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algobase.h:246:5: note:   template argument deduction/substitution failed:
railroad.cpp:57:65: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type' {aka 'long int'})
   57 |   for (int i = 0; i < n; ++i) ans = min(ans, dp[all_mask - 1][i]);
      |                                                                 ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from railroad.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3444:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3444 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3444:5: note:   template argument deduction/substitution failed:
railroad.cpp:57:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   57 |   for (int i = 0; i < n; ++i) ans = min(ans, dp[all_mask - 1][i]);
      |                                                                 ^
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from railroad.cpp:2:
/usr/include/c++/9/bits/stl_algo.h:3450:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3450 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/9/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
railroad.cpp:57:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   57 |   for (int i = 0; i < n; ++i) ans = min(ans, dp[all_mask - 1][i]);
      |                                                                 ^