Submission #793924

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
793924	2023-07-26 08:07:40	ymm	IOI Fever (JOI21_fever)	C++17	25 / 100	5050 ms	46488 KiB

fever

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#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
//typedef std::pair<int,int> pii;
using namespace std;
#define int ll
const int N = 100'010;
map<int,vector<int>> wa, as, sd, dw;
int X[N], Y[N];
int dis[N];
int n;
enum dir { W, A, S, D};
map<int,vector<int>> *dvec[4][2] = {
  {&dw, &wa},
  {&as, &wa},
  {&as, &sd},
  {&dw, &sd},
};
pair<int,dir> colide(int i, int j, dir d)
{
  int x = X[j] - X[i];
  int y = Y[j] - Y[i];
  assert(abs(x) == abs(y));
  switch (d) {
    case W: return {y, x > 0? A: D};
 
 
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Compilation message (stderr)

fever.cpp: In function 'll dij(ll, dir)':
fever.cpp:2:40: 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]
    2 | #define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
      |                                        ^
fever.cpp:66:4: note: in expansion of macro 'Loop'
   66 |    Loop (i,l,vec.size()) {
      |    ^~~~
fever.cpp: In function 'std::pair<long long int, dir> colide(ll, ll, dir)':
fever.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type]
   35 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 6 / 6
• Subtask 4: 6 / 6
• Subtask 5: 0 / 12
• Subtask 6: 0 / 32
• Subtask 7: 0 / 31