Submission #783195

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
783195	2023-07-14 17:33:35	canadavid1	건포도 (IOI09_raisins)	C++14	100 / 100	670 ms	33636 KiB

raisins

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#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x),end(x)
using pii = pair<int,int>;
using i64 = int64_t;
using i8 = int;
vector<vector<int>> raisins;
int Y,X;
i64 memo[50*50*50*50] = {};
i64& mem(i8 sx,i8 sy,i8 ex, i8 ey)
{
    return memo[sx*50*50*50+sy*50*50+ex*50+ey];
}
i64 min_cost(i8 sx,i8 sy,i8 ex,i8 ey)
{
    // memoize
    if(ey-sy <= 1 && ex - sx <= 1)
    {
        return 0;
    }
    if (mem(sx,sy,ex,ey)!=0) return mem(sx,sy,ex,ey);
    // rows
    int cost = /* count of raisins present */ 0;
    for(int i = sy; i < ey; i++) for(int j = sx; j < ex; j++) cost += raisins[i][j];
    i64 mincost = INT64_MAX;
    for(int i = sx+1; i < ex;i++)
    {
 
 
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• Subtask 1: 100 / 100