Submission #1229048

#	Time	Username	Problem	Language	Result	Execution time	Memory
1229048		Hduong	Rabbit Carrot (LMIO19_triusis)	C++20	0 / 100	1 ms	584 KiB

triusis

#include <bits/stdc++.h>
#define task "task"

using namespace std;
const long long INF = 1e18;
const int N = 2e5 + 5;
long long n, m, a[N];
bool dd[N];

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);

  if (fopen (task".inp", "r")) {
    freopen (task".inp", "r", stdin);
    freopen (task".out", "w", stdout);
  }

  cin >> n >> m;
  for (int i = 1; i <= n; i++) cin >> a[i];
  long long res = 0;
  memset(dd, false, sizeof(dd));
  for (int i = 1; i <= n; i++) {
    if (a[i] > a[i - 1] + m) {
      if (i != 1) {
        if (dd[i - 1]) {
          a[i] = a[i - 1] + m;
          dd[i] = true;
        }
        else {
          a[i] = a[i - 1] + m;
          ++res;
        }
      }
      else {
        a[i] = a[i - 1] + m;
        ++res;
      }
    }
  }
  cout << res;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:15:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     freopen (task".inp", "r", stdin);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:16:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen (task".out", "w", stdout);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37