Submission #906355

#	Time	Username	Problem	Language	Result	Execution time	Memory
906355		0xZero	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	33 ms	10964 KiB

triusis

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

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    ll m;
    cin>>n>>m;
    ll a[n*2]={0};
    for(int i=n;i<2*n;i++){
        cin>>a[i];
        a[i]=m*(i-n+1)-a[i];
    }
    vector<ll> dp;
    for(int i=0;i<2*n;i++){
        int pos=upper_bound(dp.begin(), dp.end(), a[i])-dp.begin();
        if(pos==dp.size())dp.push_back(a[i]);
        else dp[pos]=a[i];
    }
    cout<<2*n-dp.size();
    return 0;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:19:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         if(pos==dp.size())dp.push_back(a[i]);
      |            ~~~^~~~~~~~~~~

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