Submission #28749

#	Time	Username	Problem	Language	Result	Execution time	Memory
28749		rondojim	Nuclearia (CEOI15_nuclearia)	C++14	24 / 100	1000 ms	110492 KiB

nuclearia

#include <stdio.h>
#include <stdlib.h>

#define MAXWH 10000000
#define MAXN 1000000
#define MAXQ 1000000

typedef long long int huge;

int w, h, n, q;

typedef struct NUCLEARIA
{
	huge Info[MAXWH];
	huge& operator () (int x, int y) {return Info[(y * w) + x];}
}
NUCLEARIA;

typedef struct PLANT
{
	int x;
	int y;
	int a;
	int b;
}
PLANT;

typedef struct QUERY
{
	int x1;
	int y1;
	int x2;
	int y2;
}
QUERY;

NUCLEARIA Nuclearia;
PLANT Plant[MAXN];
QUERY Query[MAXQ];

int max(int a, int b)
{
	return (a > b) ? a : b;
}

int abs(int a)
{
	return (a < 0) ? -a : a;
}

int dist(int x1, int y1, int x2, int y2)
{
	return max(abs(x1 - x2), abs(y1 - y2));
}

void Summarize()
{
	for(int x = 0; x < w; x++)
	{
		for(int y = 0; y < h; y++)
		{
			if(x) Nuclearia(x, y) += Nuclearia(x - 1, y);
			if(y) Nuclearia(x, y) += Nuclearia(x, y - 1);
			if((x) && (y)) Nuclearia(x, y) -= Nuclearia(x - 1, y - 1);
		}
	}
}

void Print(huge sum, int area)
{
	huge rsl = sum / area;
	if((sum % area) * 2 >= area)
	{
		rsl++;
	}
	
	printf("%lld\n", rsl);
}

int main()
{
	scanf("%d%d", &w, &h);
	
	scanf("%d", &n);
	for(int i = 0; i < n; i++)
	{
		scanf("%d%d%d%d", &(Plant[i].x), &(Plant[i].y), &(Plant[i].a), &(Plant[i].b));
		Plant[i].x--;
		Plant[i].y--;
	}
	
	scanf("%d", &q);
	for(int i = 0; i < q; i++)
	{
		scanf("%d%d%d%d", &(Query[i].x1), &(Query[i].y1), &(Query[i].x2), &(Query[i].y2));
		Query[i].x1 -= 2;
		Query[i].y1 -= 2;
		Query[i].x2--;
		Query[i].y2--;
	}
	
	for(int i = 0; i < n; i++)
	{
		PLANT& P = Plant[i];
		for(int x = 0; x < w; x++)
		{
			for(int y = 0; y < h; y++)
			{
				int d = dist(x, y, P.x, P.y);
				if(P.a > huge(d) * P.b)
				{
					Nuclearia(x, y) += P.a - (d * P.b);
				}
			}
		}
	}
	
	Summarize();
	
	for(int i = 0; i < q; i++)
	{
		QUERY& Q = Query[i];
		huge rsl = Nuclearia(Q.x2, Q.y2);
		if(Q.x1 >= 0) rsl -= Nuclearia(Q.x1, Q.y2);
		if(Q.y1 >= 0) rsl -= Nuclearia(Q.x2, Q.y1);
		if((Q.x1 >= 0) && (Q.y1 >= 0)) rsl += Nuclearia(Q.x1, Q.y1);
		
		Print(rsl, (Q.x2 - Q.x1) * (Q.y2 - Q.y1));
	}
	
	return 0;
}

Compilation message (stderr)

nuclearia.cpp: In function 'int main()':
nuclearia.cpp:82:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &w, &h);
                       ^
nuclearia.cpp:84:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
nuclearia.cpp:87:80: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", &(Plant[i].x), &(Plant[i].y), &(Plant[i].a), &(Plant[i].b));
                                                                                ^
nuclearia.cpp:92:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &q);
                 ^
nuclearia.cpp:95:84: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", &(Query[i].x1), &(Query[i].y1), &(Query[i].x2), &(Query[i].y2));
                                                                                    ^

• Subtask 1: 3 / 3
• Subtask 2: 2 / 2
• Subtask 3: 3 / 3
• Subtask 4: 2 / 2
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