Submission #677206

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
677206	2023-01-02 14:37:17	SanguineChameleon	Hard route (IZhO17_road)	C++17	100 / 100	1006 ms	198860 KiB

road

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// BEGIN BOILERPLATE CODE
#include <bits/stdc++.h>
using namespace std;
#ifdef KAMIRULEZ
  const bool kami_loc = true;
  const long long kami_seed = 69420;
#else
  const bool kami_loc = false;
  const long long kami_seed = chrono::steady_clock::now().time_since_epoch().count();
#endif
const string kami_fi = "kamirulez.inp";
const string kami_fo = "kamirulez.out";
mt19937_64 kami_gen(kami_seed);
long long rand_range(long long rmin, long long rmax) {
  uniform_int_distribution<long long> rdist(rmin, rmax);
  return rdist(kami_gen);
}
long double rand_real(long double rmin, long double rmax) {
  uniform_real_distribution<long double> rdist(rmin, rmax);
  return rdist(kami_gen);
}
void file_io(string fi, string fo) {
  if (fi != "" && (!kami_loc || fi == kami_fi)) {
    freopen(fi.c_str(), "r", stdin);
 
 
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Compilation message (stderr)

road.cpp: In function 'void file_io(std::string, std::string)':
road.cpp:30:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   freopen(fi.c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
road.cpp:33:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |   freopen(fo.c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 33 / 33
• Subtask 3: 48 / 48