# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
42284 | rlqja2222 | 보물 찾기 (CEOI13_treasure2) | C++14 | 1103 ms | 262144 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "treasure.h"
int row[101];
int col[101];
int n, c;
void div_col(int i, int j, int rest, int r) {
if (c == n) return;
if (rest == (j - i + 1)) {
for (int k = i; k <= j; k++)
row[c] = r, col[c] = k, c++;
return;
}
else {
int mid = (i + j) / 2;
int rest1 = countTreasure(r, i, r, mid);
if (rest1) div_col(i, mid, rest, r);
int rest2 = countTreasure(r, mid + 1, r, j);
if (rest2) div_col(mid + 1, j, rest, r);
}
}
void div_row(int i, int j, int rest, int N) {
if (c == n) return;
if (i != j) {
int mid = (i + j) / 2;
int rest1 = countTreasure(i, 1, mid, N);
if (rest1) div_row(i, mid, rest1, N);
int rest2 = countTreasure(mid + 1, 1, j, N);
if (rest2) div_row(mid + 1, j, rest2, N);
}
else {
div_col(1, N, rest, i);
}
}
void findTreasure(int N) {
n = countTreasure(1, 1, N, N);
if (n == 0) return;
c = 0;
div_row(1, N, n, N);
while (--c >= 0)
Report(row[c], col[c]);
}
Compilation message (stderr)
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