Submission #148063

#	Time	Username	Problem	Language	Result	Execution time	Memory
148063		abacaba	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	Compilation error	0 ms	0 KiB

treasure

#include <iostream>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <stdio.h>
#include "treasure.h"
#include <assert.h>
#include <string.h>
using namespace __gnu_pbds;
#include <stdio.h>
#include <algorithm>
#include <math.h>
#include <random>
#include <string>
#include <cstring>
#include <set>
#include <map>
#include <time.h>
using namespace std;

typedef tree <int, null_type, less <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

#define max3(a, b, c) max(a, max(b, c))
#define min3(a, b, c) min(a, min(b, c))
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define endl '\n'
#define uset unordered_set
#define umap unordered_map
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>

bool a[105][105], used[105][105][105][105];
int dp[105][105][105][105];

int rec(int x1, int y1, int x2, int y2) {
	x1 = max(x1, 1);
	y1 = max(y1, 1);
	x2 = min(x2, N);
	y2 = min(y2, N);
	if(x1 > x2 || y1 > y2)
		return 0;
	if(used[x1][y1][x2][y2])
		return dp[x1][y1][x2][y2];
	used[x1][y1][x2][y2] = true;
	dp[x1][y1][x2][y2] = countTreasure(x1, y1, x2, y2);
	return dp[x1][y1][x2][y2];
}

void findTreasure(int N) {
	int n = (N >> 1) + 1;
    for(int i = 1; i <= N; ++i) {
    	for(int j = 1; j <= N; ++j) {
    		if(i > n && j > n)
    			a[i][j] = rec(i, j, N, N) - rec(i + 1, j, N, N) - rec(i, j + 1, N, N) + rec(i + 1, j + 1, N, N);
    		else if(i <= n && j <= n)
    			a[i][j] = rec(1, 1, i, j) - rec(1, 1, i - 1, j) - rec(1, 1, i, j - 1) + rec(1, 1, i - 1, j - 1);
    		else if(i <= n && j > n)
    			a[i][j] = rec(1, j, i, N) - rec(1, j + 1, i, N) - rec(1, j, i - 1, N) + rec(1, j + 1, i - 1, N);
    		else
    			a[i][j] = rec(i, 1, N, j) - rec(i + 1, 1, N, j) - rec(i, 1, N, j - 1) + rec(i + 1, 1, N, j - 1);
    	}
    }
    for(int i = 1; i <= N; ++i)
    	for(int j = 1; j <= N; ++j)
    		if(a[i][j])
	    		Report(i, j);
}

Compilation message (stderr)

treasure.cpp: In function 'int rec(int, int, int, int)':
treasure.cpp:45:15: error: 'N' was not declared in this scope
  x2 = min(x2, N);
               ^