Submission #419205

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
419205	2021-06-06 14:32:47	Kevin_Zhang_TW	Cultivation (JOI17_cultivation)	C++17	100 / 100	709 ms	2968 KiB

cultivation

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#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
 
const int MAX_N = 305;
 
#define int ll
const int inf = 1ll << 55;
int R, C, n;
vector<pair<int,int>> loc;
 
bool can_cover(int ul, int dl, int al, int bl) {
 
  vector<vector<int>> pf_sum(50, vector<int> (50) );
  for (auto [x, y] : loc) {
    int A = y - ul, B = y + dl;
 
 
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Compilation message (stderr)

cultivation.cpp: In function 'll cal_up(ll)':
cultivation.cpp:15:17: warning: statement has no effect [-Wunused-value]
   15 | #define DE(...) 0
      |                 ^
cultivation.cpp:96:2: note: in expansion of macro 'DE'
   96 |  DE(ul);
      |  ^~
cultivation.cpp:186:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  186 |  for (int i = 0;i+1 < sep.size();++i) {
      |                 ~~~~^~~~~~~~~~~~
cultivation.cpp: In instantiation of 'cal_up(ll)::<lambda(auto:23&, auto:24&, ll&)> [with auto:23 = std::priority_queue<std::pair<long long int, long long int> >; auto:24 = std::vector<std::tuple<long long int, long long int, long long int> >; ll = long long int]':
cultivation.cpp:201:20:   required from here
cultivation.cpp:189:12: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::tuple<long long int, long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  189 |    for (;i < op.size();++i) {
      |          ~~^~~~~~~~~~~
cultivation.cpp: In function 'll brute()':
cultivation.cpp:15:17: warning: statement has no effect [-Wunused-value]
   15 | #define DE(...) 0
      |                 ^
cultivation.cpp:219:5: note: in expansion of macro 'DE'
  219 |     DE(ul, dl, A, B);
      |     ^~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 20 / 20
• Subtask 6: 20 / 20