Submission #364589

#	Time	Username	Problem	Language	Result	Execution time	Memory
364589		Sparky_09	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	36 ms	3176 KiB

triusis

#include "bits/stdc++.h"
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define trav(a, x) for(auto& a : x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<ll, ll> pii;
typedef vector<ll> vi;
typedef vector<pii> vpi;

void usaco(string s){
  freopen((s+".in").c_str(), "r", stdin);
  freopen((s+".out").c_str(), "w", stdout);
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);
#ifdef LOCAL_DEFINE
	freopen("input.txt", "r", stdin);
#endif
	
	int n, m, v;
	vector<int> dp; 
  cin >> n >> m;
 
	for(int i = 1; i <= n; i ++){
		cin >> v;
		v = i * m - v;
		if(v < 0) continue;
 
		int id = upper_bound(dp.begin(), dp.end(), v) - dp.begin();
		if(id == dp.size()) dp.push_back(v);
		else dp[id] = v;
	}
 
	cout << n - dp.size() << '\n';
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:34:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   if(id == dp.size()) dp.push_back(v);
      |      ~~~^~~~~~~~~~~~
triusis.cpp: In function 'void usaco(std::string)':
triusis.cpp:13:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   13 |   freopen((s+".in").c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:14:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   14 |   freopen((s+".out").c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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