Submission #241571

#TimeUsernameProblemLanguageResultExecution timeMemory
241571Mercenary보물 찾기 (CEOI13_treasure2)C++14
100 / 100
5 ms512 KiB
#include<bits/stdc++.h>
#include "treasure.h"

using namespace std;
typedef long long ll;
const int maxn = 105;
void findTreasure (int N);
int n, sum[maxn][maxn];

void findTreasure (int N) {
    for(int i = N ; i >= 1 ; --i){
        for(int j = N ; j >= 1 ; --j){
            if(i > N / 2 && j > N / 2){
                sum[i][j] = countTreasure(1,1,i,j);
            }else if(i > N / 2 && j <= N / 2){
                sum[i][j] = sum[i][N] - countTreasure(1 , j + 1 , i , N);
            }else if(i <= N / 2 && j > N / 2){
                sum[i][j] = sum[N][j] - countTreasure(i + 1 , 1 , N , j);
            }else{
                sum[i][j] = sum[i][N] + sum[N][j] - sum[N][N] + countTreasure(i + 1 , j + 1 , N , N);
            }
//            cout << i << " " << j << " " << sum[i][j] << endl;
        }
    }
    for(int i = 1 ; i <= N ; ++i){
        for(int j = 1 ; j <= N ; ++j){
            if(sum[i][j] - sum[i - 1][j] - sum[i][j - 1] + sum[i - 1][j - 1] > 0){
                Report(i , j);
            }
        }
    }
}
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