제출 #1269030

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1269030		sealsarecool	Rabbit Carrot (LMIO19_triusis)	C++20	0 / 100	2 ms	328 KiB

triusis

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N,M;
  cin>>N>>M;
  long long pillars[N+1];
  memset(pillars,0,sizeof(pillars));
  int ans = 0;
  for(int i = 0;i<=N;i++){
    
    int x;
    cin>>x;
    pillars[i] = x-M*(i);
  }
  vector<long long>dp(N+1,-1e20);
  dp[0] = 1e20;
  for (int i = 0; i < N; i++) {
      int l = upper_bound(dp.begin(), dp.end(), pillars[i],greater<int>()) - dp.begin();
      if(l==1&&pillars[i]>M*(i+1)){
        continue;
      }
      if (dp[l-1] >= pillars[i] && pillars[i] >= dp[l])
        dp[l] = pillars[i];
  }
    for (int l = 0; l <= N; l++) {
        if (dp[l] > -1e20)
            ans = l;
    }
    cout<<N-ans;
  
}

컴파일 시 표준 에러 (stderr) 메시지

triusis.cpp: In function 'int main()':
triusis.cpp:16:27: warning: overflow in conversion from 'double' to 'std::vector<long long int>::value_type' {aka 'long long int'} changes value from '-1.0e+20' to '-9223372036854775808' [-Woverflow]
   16 |   vector<long long>dp(N+1,-1e20);
      |                           ^~~~~
triusis.cpp:17:11: warning: overflow in conversion from 'double' to '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} changes value from '1.0e+20' to '9223372036854775807' [-Woverflow]
   17 |   dp[0] = 1e20;
      |           ^~~~

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• Subtask 2: 0 / 21
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• Subtask 4: 0 / 37