Submission #247019

#	Time	Username	Problem	Language	Result	Execution time	Memory
247019		dolphingarlic	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	43 ms	4008 KiB

triusis

#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

vector<ll> lis = {0};

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    FOR(i, 1, n + 1) {
        int h;
        cin >> h;
        ll v = -h + m * i;
        if (v < 0) continue;
        int ub = upper_bound(lis.begin(), lis.end(), v) - lis.begin();
        if (ub == lis.size()) lis.push_back(v);
        else lis[ub] = v;
    }
    cout << n - lis.size() + 1;
    return 0;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (ub == lis.size()) lis.push_back(v);
             ~~~^~~~~~~~~~~~~

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