Submission #342952

#	Time	Username	Problem	Language	Result	Execution time	Memory
342952		chon	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	17 / 100	15 ms	1004 KiB

treasure

#include "treasure.h"
#include <bits/stdc++.h>
 
 
 
 
using namespace std;
#define pb push_back
#define ii pair<int,int>
 
int ans[105][105];
int HOR[105], VER[105];
int area, included, line, ri, le;
 
map< tuple<int, int, int, int>, int > dp;
 
int askit(int r1, int c1, int r2, int c2) {
	tuple<int, int, int, int> tup(r1, c1, r2, c2);
	if (dp.find(tup) != dp.end()) return dp[tup];
	return dp[tup] = countTreasure(r1, c1, r2, c2);
}
 
 
int f(int v, int r, int c, int N) {
	int result = 0, knew = 0, red = 0, want = 0;
	if (v == 0) {
		for (int i = 1; i <= r - 1; i++) {
			for (int j = 1; j <= c; j++) {
				knew += ans[i][j];
			}
		}
		red = askit(1, 1, r, c);
		want = red - knew;
 
		knew = 0;
		for (int j = 1; j <= c - 1; j++) knew += ans[r][j];
		result = want - knew;
	}
	else if (v==1) {
		for (int i = 1; i <= r - 1; i++) {
			for (int j = c + 1; j <= N; j++) {
				knew += ans[i][j];
			}
		}
		if (c + 1 <= N) red = askit(1, c + 1, r, N);
		want = red - knew;
 
		result = included - want;
	}
	else if (v == 2) {
		for (int i = 1; i <= r - 1; i++) {
			for (int j = c + 1; j <= N; j++) {
				knew += ans[i][j];
			}
		}
		knew = ri - knew;
		if (c + 1 <= N && r + 1 <= N) red = askit(r + 1, c + 1, N, N);
 
		want = knew - red;
		result = included - want;
	}
	else { // D
		for (int i = 1; i <= r - 1; i++) {
			for (int j = 1; j <= c; j++) {
				knew += ans[i][j];
			}
		}
		knew = le - knew;
		if (r + 1 <= N) red = askit(r + 1, 1, N, c);
 
		want = knew - red;
		knew = 0;
		for (int j = 1; j <= c - 1; j++) knew += ans[r][j];
		result = want - knew;
	}
	return result;
}
 
void findTreasure(int N) {
	//int cnt = countTreasure(1, 1, N, N);
	//if(cnt > 0) Report (1, 1);
	area = askit(1, 1, N, N);
	for (int i = 1; i <= N - 1; i++) {
		if (i > (N - i)) VER[i] = askit(1, 1, i, N);
		else VER[i] = area - askit(i + 1, 1, N, N);
	}
	for (int i = 1; i <= N - 1; i++) {
		if (i > (N - i)) HOR[i] = askit(1, 1, N, i);
		else HOR[i] = area - askit(1, i + 1, N, N);
	}
	VER[N] = HOR[N] = area;
 
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			int below = VER[N] - VER[i];
			int sup = VER[i - 1];
			line = area - sup - below;
 
			included = line;
			for (int k = 1; k < j; k++) included -= ans[i][k];
 
			ri = HOR[N] - HOR[j];
			le = HOR[j];
 
			
			//vector< pair<int, int> > srt;
			int dx, dy;
			int data[4];
			int A, B, C, D;
			
			dx = j, dy = i;
			data[0] = dx * dy; 
 
			
			dx = N - j, dy = i;
			data[1] = dx * dy;
 
			dx = N - j, dy = N - i;
			data[2] = dx * dy;
			
			dx = j, dy = N - i;
			data[3] = dx * dy;
 
			A = data[0], B = data[1], C = data[2], D = data[3];
 
			for (int a = 0; a < 4; a++)
			{
				for (int b = a + 1; b < 4; b++)
				{
					if (data[a] < data[b])
					{
						int temp;
						temp = data[a];
						data[a] = data[b];
						data[b] = temp;
					}
				}
			}
			if (A == data[3])
			{
				ans[i][j] = f(0, i, j, N);
			}
			else if (B == data[3])
			{
				ans[i][j] = f(1, i, j, N);
			}
			else if (C == data[3])
			{
				ans[i][j] = f(2, i, j, N);
			}
			else
			{
				ans[i][j] = f(3, i, j, N);
			}
		}
	}
 
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			if (ans[i][j]) Report(i, j);
		}
	}
}

Compilation message (stderr)

treasure.cpp: In function 'void findTreasure(int)':
treasure.cpp:109:17: warning: variable 'D' set but not used [-Wunused-but-set-variable]
  109 |    int A, B, C, D;
      |                 ^

• Subtask 1: 17 / 100