제출 #1284031

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1284031		Faisal_Saqib	Just Long Neckties (JOI20_ho_t1)	C++20	100 / 100	66 ms	10192 KiB

ho_t1

/* 
    VENI VIDI VICI
*/

// #pragma GCC optimize("Ofast","unroll-all-loops","fast-math","no-stack-protector","give-no-fuck")
#include <bits/stdc++.h>
// #include <iostream>
// #include <vector>
// #include <algorithm>
// #include <set>
// #include <map>

using namespace std;
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()

#define rep(i,x, n) for (int i = (x); i < (n); ++i)
#define repr(i,x, n) for (int i = (n) - 1; i >= (x); --i)
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count());  
// #define sum accumulate

//using i128 = __int128;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using str = string;
using pi = pair<int, int>;
using pl = pair<ll, ll>;

using vi = vector<int>;
using vl = vector<ll>;
using vpi = vector<pair<int, int>>;
using vvi = vector<vi>;
using sll = set<ll>;

template<class T>
istream& operator>>(istream& is, vector<T>& v) {
    for(auto &i:v) is>>i;
    return is;
}
template<class T1,class T2>
istream& operator>>(istream& is, pair<T1,T2>& p) {
    is>>p.fi>>p.se;
    return is;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T>& v) {
    for(const auto &i:v) os<<i<<' ';
    return os;
}
template<class T1,class T2>
ostream& operator<<(ostream& os, const pair<T1,T2>& p) {
    os<<p.fi<<' '<<p.se; return os;
}
void pyn(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
void pYN(bool x)
{
    cout<<(x?"Yes":"No")<<endl;
}
void pAB(bool x)
{
    cout<<(x?"Alice":"Bob")<<endl;
}
ll powmod(ll a,ll b,ll modulo)
{
  if(b==0){
    return 1;
  }
  ll temp=powmod(a,b/2,modulo);
  if(b%2==0){
    return (temp*temp)%modulo;
  }
  else{
    return (a*((temp*temp)%modulo))%modulo;
  }
}
bool Prime(ll n){
    for (ll i = 2; i*i <= n; i++)
        if (n % i == 0)
            return false;
    return (n>1);
}
void readIO() {
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
}

void solve();

int main() {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    // readIO();

    int uwu=1;

    // cin>>uwu;

    for(int tc=1;tc<=uwu;tc++) {
        // cout<<"Case #"<<tc<<": ";
        solve();
    }
    return 0;
}

void solve()
{
    // srand(time(0));
    // ll cnt=0;
    // while(cnt<1e5)
    // {
    //     vl a;
    //     for(int j=0;j<4;j++)
    //     {
    //         a.pb(rand()%1000);
    //     }
    //     // cout<<a.size()<<endl;
    //     sort(begin(a),end(a));
    //     do
    //     {
    //         ll v1=max(min(a[1],a[3])-min(a[0],a[2]),max(a[1],a[3])-max(a[0],a[2]));
    //         ll v2=max(min(a[1],a[3])-max(a[0],a[2]),max(a[1],a[3])-min(a[0],a[2]));
    //         if(v2<v1)
    //         {
    //             cout<<"FUdge"<<endl;
    //             cout<<a[0]<<' '<<a[2]<<endl;
    //             cout<<a[1]<<' '<<a[3]<<endl;
    //             exit(0);
    //             break;
    //         }
    //     }while(next_permutation(all(a)));
    //     cnt++;
    // }

    // return;
    ll n;
    cin>>n;
    vpi a(n+1);
    // cin>>a;
    for(int i=0;i<=n;i++)
    {
        cin>>a[i].fi;
        a[i].se=i;
    }
    vl b(n);
    cin>>b;
    sort(all(a));
    sort(all(b));
    vl pre(n+2);
    pre[0]=0;
    for(int i=1;i<=n;i++)
    {
        pre[i]=max(pre[i-1],a[i-1].fi-b[i-1]);
    }
    vl suf(n+3);
    suf[n+1]=0;
    for(int i=n;i>=1;i--)
    {
        suf[i]=max(suf[i+1],a[i].fi-b[i-1]);
    }
    vl ans(n+1);
    for(int i=1;i<=n+1;i++)
    {
        ans[a[i-1].se]=max(pre[i-1],suf[i]);
    
    }
    for(int i=0;i<=n;i++)cout<<ans[i]<<' ';
    cout<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

ho_t1.cpp: In function 'void readIO()':
ho_t1.cpp:90:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp:91:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91