Submission #902525

#	Time	Username	Problem	Language	Result	Execution time	Memory
902525		vanea	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	26 ms	5320 KiB

triusis

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

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<int> v(n), b;
    for(int i = 0; i < n; i++) {
        cin >> v[i];
    }
    for(int i = 0; i < n; i++) {
        if(v[i] <= (1+i) * m)
            b.push_back((i+1)*m-v[i]);
    }
    vector<int> dp;
    for(int i = 0; i < b.size(); i++) {
        auto it = upper_bound(dp.begin(), dp.end(), b[i]);
        if(it == dp.end()) dp.push_back(b[i]);
        else *it = b[i];
    }
    cout << n-dp.size();
    return 0;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i = 0; i < b.size(); i++) {
      |                    ~~^~~~~~~~~~

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