# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
40815 | 969 | Treasure (different grader from official contest) (CEOI13_treasure2) | C++14 | 1 ms | 392 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"
#include <iostream>
#define MAX 1000000
#define NMAX 102
int count[MAX];
class TREASURE {
public:
int x, y;
};
int tresureCnt;
TREASURE treasure[NMAX * NMAX];
int sum[NMAX][NMAX];
int memo[NMAX][NMAX][NMAX][NMAX];
int myCountTreasure(int r1, int c1, int r2, int c2) {
if (memo[r1][c1][r2][c2] == -1) {
memo[r1][c1][r2][c2] = countTreasure(r1, c1, r2, c2);
}
return memo[r1][c1][r2][c2];
}
void findTreasure (int N) {
// 전체 보물의 수
int cnt = countTreasure(1, 1, N, N);
count[0] = cnt;
for (int i = 1; i <= N; i++) {
for (int j = 1; j <= N; j++) {
for (int k = 1; k <= N; k++) {
for (int l = 1; l <= N; l++) {
memo[i][j][k][l] = -1;
}
}
}
}
for (int i = 1; i <= N / 2; i++) {
for (int j = 1; j <= N / 2; j++) {
sum[i][j] = cnt - myCountTreasure(i + 1, 1, N, N) - myCountTreasure(1, j + 1, N, N) + myCountTreasure(i + 1, j + 1, N, N);
sum[i][N - j + 1] = cnt - myCountTreasure(1, 1, N, N - j) - myCountTreasure(i + 1, 1, N, N) + myCountTreasure(i + 1, 1, N, N - j);
sum[N - i + 1][j] = cnt - myCountTreasure(1, 1, N - i, N) - myCountTreasure(1, j + 1, N, N) + myCountTreasure(1, j + 1, N - i, N);
sum[N - i + 1][N - j + 1] = cnt - myCountTreasure(1, 1, N - i, N) - myCountTreasure(1, 1, N, N - j) + myCountTreasure(1, 1, N - i, N - j);
}
}
/*for (int i = 1; i <= N; i++) {
for (int j = 1; j <= N; j++) {
printf("%3d", sum[i][j]);
}
printf("\n");
}
printf("\n");
*/
for (int i = 0; i < N / 2; i++) {
for(int j = 1; j <= N; j++){
sum[N / 2 - i][j] -= sum[N / 2 - i - 1][j];
sum[N / 2 + i + 1][j] -= sum[N / 2 + i + 2][j];
}
}
/*for (int i = 1; i <= N; i++) {
for (int j = 1; j <= N; j++) {
printf("%3d", sum[i][j]);
}
printf("\n");
}
printf("\n");
*/
for (int i = 1; i <= N; i++) {
for (int j = 0; j < N / 2; j++) {
sum[i][N / 2 - j] -= sum[i][N / 2 - j - 1];
sum[i][N / 2 + j + 1] -= sum[i][N / 2 + j + 2];
}
}
/*for (int i = 1; i <= N; i++) {
for (int j = 1; j <= N; j++) {
printf("%3d", sum[i][j]);
}
printf("\n");
}
printf("\n");
*/
if (cnt > 0) {
for (int i = 1; i <= N; i++)
for (int j = 1; j <= N; j++)
if (sum[i][j] == 1) Report(i, j);
}
}
//void recursive(int y, int x, int N, int k) {
// if (N == 1) {
// treasure[tresureCnt++] = { x, y };
// return;
// }
// count[k * 4 + 1] = countTreasure(y, x, y + (N + 1) / 2 - 1, x + (N + 1) / 2 - 1);
// if (count[k * 4 + 1] != count[k]) count[k * 4 + 2] = countTreasure(y, x, y + (N + 1) / 2 - 1, x + N - 1) - count[4 * k + 1];
// if (count[k * 4 + 1] + count[4 * k + 2] != count[k]) count[k * 4 + 3] = countTreasure(y, x, y + N - 1, x + (N + 1) / 2 - 1) - count[4 * k + 1];
// count[k * 4 + 4] = count[k] - count[k * 4 + 1] - count[k * 4 + 2] - count[k * 4 + 3];
// if (count[k * 4 + 1] != 0) {
// recursive(y, x, (N + 1) / 2, 4 * k + 1);
// }
// if (count[k * 4 + 2] != 0) {
// recursive(y, x + (N + 1) / 2, N / 2, k * 4 + 2);
// }
// if (count[k * 4 + 3] != 0) {
// recursive(y + (N + 1) / 2, x, N / 2, k * 4 + 3);
// }
// if (count[k * 4 + 4] != 0) {
// recursive(y + (N + 1) / 2, x + (N + 1) / 2, N / 2, k * 4 + 4);
// }
//}
Compilation message (stderr)
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