제출 #985544

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
985544		Vivek_03_	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	21 ms	3488 KiB

triusis

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<set>
#include<map>
#include<unordered_map>
#include<cstdio>
using namespace std;
 
#ifndef LOCAL
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx2,popcnt")
#endif
 
#define fastio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define pb push_back
#define ppb pop_back
#define mp make_pair
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double lld;
 
#ifndef ONLINE_JUDGE
#define debug(x) cerr << #x <<" "; _print(x); cerr << endl;
#else
#define debug(x)
#endif
 
void _print(ll t) {cerr << t;}
void _print(int t) {cerr << t;}
void _print(string t) {cerr << t;}
void _print(char t) {cerr << t;}
void _print(lld t) {cerr << t;}
void _print(double t) {cerr << t;}
void _print(ull t) {cerr << t;}
void _print(pair<int,int> t) {cerr << t.first << ' '<<t.second;}
 
template <class T> void _print(vector <T> v);
template <class T> void _print(set <T> v);
template <class T> void _print(multiset <T> v);
template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
 
int main()
{
    fastio();
 
    #ifndef ONLINE_JUDGE
        freopen("Error.txt", "w", stderr);
    #endif
    
    int n,m;
    cin>>n>>m;

    vector<int> dp;
    for(int i=1;i<=n;i++)
    {
        int a;
        cin>>a;

        int val=m*i-a;

        if(val>=0)
        {
            if(dp.size()==0 || val>=dp.back())
            {
                dp.pb(val);
            }
            else
            {
                int pos=upper_bound(dp.begin(), dp.end(), val)-dp.begin();
                dp[pos]=val;
            }
        }
    }
    cout<<n-dp.size()<<'\n';
}   

컴파일 시 표준 에러 (stderr) 메시지

triusis.cpp: In function 'int main()':
triusis.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen("Error.txt", "w", stderr);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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