Submission #1075336

#	Time	Username	Problem	Language	Result	Execution time	Memory
1075336		theehann	Rabbit Carrot (LMIO19_triusis)	C++17	0 / 100	1 ms	348 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ft first
#define se second
#define NAME "A"
#define file freopen(NAME".INP","r",stdin); freopen(NAME".OUT","w",stdout);
#define sdf ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define el cout << "\n"
const int MOD = 1e9 + 7, N = 1e5 + 5;
int n, m;
int32_t main(){
	sdf
	// file
	cin >> n >> m;
	vector<int> a(n+1), b;
	for(int i = 1;i <= n;++i){
		cin >> a[i];
		if(a[i] <= m * i){
			b.push_back(a[i] - m * i);
		}
	}
	multiset<int> st;
	st.insert(0);
	for(int i = 0;i < b.size();++i){
		auto it = st.lower_bound(b[i]);
		if(it == st.end()){
			continue;
		}
		if(it != st.begin()){
			it--;
			st.erase(it);
		}
		st.insert(b[i]);
	}
	st.erase(0);
	cout << n - st.size();
	return 0;
}

Compilation message (stderr)

triusis.cpp: In function 'int32_t main()':
triusis.cpp:25:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  for(int i = 0;i < b.size();++i){
      |                ~~^~~~~~~~~~

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