Submission #131106

#	Time	Username	Problem	Language	Result	Execution time	Memory
131106		lacrimak3	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	68 / 100	2 ms	376 KiB

treasure

#include "treasure.h"

bool isl[101][101];
int dncTreasure(int r1, int c1, int r2, int c2, int cnt){
    if(r2 < r1 || c2 < c1) return 0;
    if(cnt == -1) cnt = countTreasure(r1, c1, r2, c2);
    if(cnt == 0) return 0;
    if(cnt == (r2 - r1 + 1) * (c2 - c1 + 1)){
        for(int i = r1; i <= r2; i++)
            for(int j = c1; j <= c2; j++)
                isl[i][j] = true;
        return cnt;
    }
    int rlen = (r2 - r1), clen = (c2 - c1);
    if(rlen >= clen){
        rlen /= 2;
        int t = dncTreasure(r1, c1, r1 + rlen, c2, -1);
        dncTreasure(r1 + rlen + 1, c1, r2, c2, cnt - t);
    }
    else{
        clen /= 2;
        int t = dncTreasure(r1, c1, r2, c1 + clen, -1);
        dncTreasure(r1, c1 + clen + 1, r2, c2, cnt - t);
    }
    return cnt;
}

void findTreasure (int N) {
    dncTreasure(1, 1, N, N, -1);
    for(int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++){
            if(isl[i][j]){
                isl[i][j] = false;
                Report(i, j);
            }
        }
    }
}

• Subtask 1: 68 / 100