Submission #1066184

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1066184	2024-08-19 16:10:07	sammyuri	The Kingdom of JOIOI (JOI17_joioi)	C++17	100 / 100	3764 ms	106008 KiB

joioi

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#include <bits/stdc++.h>
using namespace std;
int height[4][2005][2005];
bool taken[2005][2005];
int biggest = 0;
int h, w;
bool check(int limit, int index) {
    // take all cells that are big enough
    int req = biggest - limit;
    int curbig = 0, cursmall = 1e9;
    for (int i = 0; i < h; i ++)
        for (int j = 0; j < w; j ++)
            if (height[index][i][j] < req)
                taken[i][j] = true;
            else
                taken[i][j] = false;
    // turn into one component
    for (int i = 0; i < h; i ++) {
        bool seen = false;
        for (int j = w - 1; j >= 0; j --) {
            if (taken[i][j]) seen = true;
            if (seen) {
                taken[i][j] = true;
                curbig = max(curbig, height[index][i][j]);
                cursmall = min(cursmall, height[index][i][j]);
            }
        }
    }
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 45 / 45
• Subtask 3: 40 / 40