제출 #789216

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
789216	2023-07-21 08:09:27	irmuun	건포도 (IOI09_raisins)	C++17	100 / 100	639 ms	26548 KiB

raisins

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
const ll INF=1e18;
ll mn[51][51][51][51],a[51][51],sum[51][51];
void solve(ll l1,ll l2,ll r1,ll r2){
    if(mn[l1][l2][r1][r2]<INF) return;
    if(l1==l2&&r1==r2){
        mn[l1][l2][r1][r2]=0;
        return;
    }
    for(ll i=l1;i<l2;i++){
        solve(l1,i,r1,r2);
        solve(i+1,l2,r1,r2);
        mn[l1][l2][r1][r2]=min(mn[l1][l2][r1][r2],mn[l1][i][r1][r2]+mn[i+1][l2][r1][r2]+sum[l2][r2]-sum[l1-1][r2]-sum[l2][r1-1]+sum[l1-1][r1-1]);
    }
    for(ll i=r1;i<r2;i++){
        solve(l1,l2,r1,i);
        solve(l1,l2,i+1,r2);
        mn[l1][l2][r1][r2]=min(mn[l1][l2][r1][r2],mn[l1][l2][r1][i]+mn[l1][l2][i+1][r2]+sum[l2][r2]-sum[l1-1][r2]-sum[l2][r1-1]+sum[l1-1][r1-1]);
    }
    return;
 
 
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• Subtask 1: 100 / 100