Submission #666253

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
666253	2022-11-27 21:22:07	rainboy	Escape Route (JOI21_escape_route)	C++17	100 / 100	7370 ms	241676 KiB

escape_route

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#include "escape_route.h"
#include <cstring>
using namespace std;
long long min(long long a, long long b) { return a < b ? a : b; }
long long max(long long a, long long b) { return a > b ? a : b; }
const int N = 90, M = N * (N - 1) / 2, Q = 3000000;
const long long INF = 0x3f3f3f3f3f3f3f3f;
typedef vector<int> vi;
typedef vector<long long> vl;
unsigned int X;
int rand_() {
  return (X *= 3) >> 1;
}
int ii[Q], jj[Q], hh[Q]; long long rr[Q];
void sort(int *hh, int l, int r) {
  while (l < r) {
    int i = l, j = l, k = r, h = hh[l + rand_() % (r - l)], tmp;
    while (j < k) {
      int c = ii[hh[j]] != ii[h] ? ii[hh[j]] - ii[h] : (rr[hh[j]] == rr[h] ? 0 : rr[hh[j]] < rr[h] ? -1 : 1);
      if (c == 0)
        j++;
      else if (c < 0) {
 
 
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Compilation message (stderr)

escape_route.cpp: In function 'vl calculate_necessary_time(int, int, long long int, int, vi, vi, vl, vl, vi, vi, vl)':
escape_route.cpp:109:41: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  109 |      update[i] = h1 == h || pp[i] != -1 && (update[pp[i]] || dd[pp[i]] > cc[pp[i]][i] - r);
      |                             ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 35 / 35
• Subtask 5: 30 / 30