Submission #1036189

#	Time	Username	Problem	Language	Result	Execution time	Memory
1036189		vjudge1	Zemljište (COCI22_zemljiste)	C++17	70 / 70	369 ms	4392 KiB

Main

#warning Check FastIO
// #pragma GCC optimize("Ofast,unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include <iostream>
#include <algorithm>
#include <climits>
#include <queue>
#include <cmath>
#include <map>
#include <set>
#include <random>
#include <chrono>
#include <iomanip>
#include <vector>
#include <fstream>
using namespace std;
#define vll vector<ll>
#define sll set<ll>
#define vstr vector<string>
#define ll long long
#define ld long double
#define supra main
#define pb push_back
#define add insert
#define rall(x) rbegin(x),rend(x)
#define all(x) (x).begin(),(x).end()
#define I ios_base::sync_with_stdio(false);
#define Hear cin.tie(NULL);
#define Shots cout.tie(NULL);
#define Ratatatata
#define bits_on(a) (__builtin_popcountll(a))
#define mx_pw2(a) (__builtin_ctzll(a))
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count());  
#define SHUFFLE(v) shuffle(all(v), RNG); 
const ll inf=LLONG_MAX;
void input(vll& a)
{
    for(auto& i:a)
        cin>>i;
}
void pyn(bool a)
{
    cout<<(a?"YES":"NO")<<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);
}
const int N=502;
ll a[N][N],pre[N][N];
void solve()
{
    ll n,m,ax,bx;
    cin>>n>>m>>ax>>bx;
    if(ax>bx)
        swap(ax,bx);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            cin>>a[i][j];
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            pre[i][j]=pre[i][j-1]+a[i][j];
        }
    }
    ll ans=ax+bx;
    for(int x=1;x<=m;x++)
    {
        for(int xp=x;xp<=m;xp++)
        {
            vll pref={0};
            int i=0;
            for(int row=1;row<=n;row++)
            {
                pref.pb(pref.back()+pre[row][xp]-pre[row][x-1]);
                ll val=pref.back()-bx;
                while(i<pref.size() and pref[i]<val)
                    i++;
                if(i<pref.size())
                    ans=min(ans,abs(ax-pref.back()+pref[i])+abs(bx-pref.back()+pref[i]));
                if(i>0)
                    ans=min(ans,abs(ax-pref.back()+pref[i-1])+abs(bx-pref.back()+pref[i-1]));
            }
        }
    }
    cout<<ans<<'\n';
}
int supra(){
    I Hear Shots Ratatatata
    ll tqwertyuiop=1;
    for(int tp=1;tp<=tqwertyuiop;tp++)
    {
        // cout<<"Case #"<<tp<<": ";
        solve();
    }
    return 0;
}
/*
Bro use only in a emergency 
this is kind of hacking

*/

Compilation message (stderr)

Main.cpp:1:2: warning: #warning Check FastIO [-Wcpp]
    1 | #warning Check FastIO
      |  ^~~~~~~
Main.cpp: In function 'void solve()':
Main.cpp:94:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |                 while(i<pref.size() and pref[i]<val)
      |                       ~^~~~~~~~~~~~
Main.cpp:96:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |                 if(i<pref.size())
      |                    ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 40 / 40