Submission #533321

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
533321	2022-03-05 12:57:31	fhvirus	Navigation 2 (JOI21_navigation2)	C++17	0 / 100	2000 ms	2444 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

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#include "Anna.h"
#include <cmath>
#include <vector>
#include <iostream>
namespace {
const int kMark = 14;
std::vector<std::vector<int>> flag;
void init(const int& N) {
  flag.assign(N, std::vector<int>(N, 0));
}
int get_val(const int& i, const int& j, const int& r, const int& c) {
  if (j <= c - 2) return 10;
  if (j >= c + 2) return 11;
  if (i <= r - 2) return 12;
  if (i >= r + 2) return 13;
  int di = i - r, dj = j - c;
  return (di + 1) * 3 + (dj + 1) + 1;
}
void solve(const int& N, const int& K, const std::vector<int>& R, const std::vector<int>& C) {
  for (int i = 0; i < N; ++i)
    for (int j = 0; j < N; ++j) {
      int k = (i % 3) * 3 + (j % 3);
      flag[i][j] = (k < 7 ? get_val(i, j, R[k], C[k]) : (k == 8 ? kMark : 1));
    }
}
} // namespace
 
 
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Compilation message (stderr)

Bruno.cpp: In function 'std::vector<int> Bruno(int, std::vector<int>)':
Bruno.cpp:37:54: warning: 'mark_j' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |   int i = (dk / 3 + 2 - mark_i) % 3, j = (dk % 3 + 2 - mark_j) % 3;
      |                                          ~~~~~~~~~~~~^~~~~~~~~
Bruno.cpp:37:23: warning: 'mark_i' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |   int i = (dk / 3 + 2 - mark_i) % 3, j = (dk % 3 + 2 - mark_j) % 3;
      |           ~~~~~~~~~~~~^~~~~~~~~

Subtask 10 / 100

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