Submission #636421

#	Time	Username	Problem	Language	Result	Execution time	Memory
636421		TUNGDUONGWILLWINVOI2023	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	36 ms	4428 KiB

triusis

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <vector>
using namespace std;
const int NAXM = 2e5 + 5;
int n, m, a[NAXM];
int main() {
  // Coding
  scanf("%d%d", &n, &m);
  for (int i = 0; i < n; ++i) {
    scanf("%d", &a[i]);
  }
  vector<int> b;
  for (int i = 0; i < n; ++i) {
    if (m * (i + 1) >= a[i]) {
      b.push_back(m * (i + 1) - a[i]);
    }
  }
  vector<int> dp;
  int L = int(b.size());
  for (int i = 0; i < L; ++i) {
    int l = lower_bound(dp.begin(), dp.end(), b[i] + 1) - dp.begin();
    if (l < int(dp.size())) {
      dp[l] = b[i];
    } else {
      dp.push_back(b[i]);
    }
  }
  printf("%d\n", n - int(dp.size()));
  return 0;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |   scanf("%d%d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~
triusis.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     scanf("%d", &a[i]);
      |     ~~~~~^~~~~~~~~~~~~

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