ZOJ1108-FatMouse's Speed

 

 

 

 完整程序：

#include <bits/stdc++.h>
using namespace std;
//ZOJ1108-FatMouse's Speed動態規劃
struct mouse {
	int weight, speed, id;
} mice[1001];
bool cmp(const mouse a, const mouse b)
{
	if(a.weight == b.weight)
	{
		if (b.speed>a.speed) return true;
		else return false;
	} else return a.weight<b.weight;
}
void output(int path[], int pos)
{
	if(pos == 0) return;
	output(path, path[pos]);
	printf("%d\n", mice[pos].id);
}
int main()
{
	int n = 1;
	while(scanf("%d%d", &mice[n].weight, &mice[n].speed)!=EOF)
	{
		mice[n].id = n;
		n++;
	}
	sort(mice, mice+n, cmp);
	int count[1001] = {0};
	int path[1001] = {0};
	count[1] = 1;
	for(int i = 2; i < n; i++)
	{
		for(int j = 1; j < i; j++)
			if(mice[i].weight > mice[j].weight && mice[i].speed < mice[j].speed)
				if(count[i] < count[j])
				{
					count[i] = count[j];
					path[i] = j;
				}
		count[i]++;
	}
	int max = 0;
	int pos;
	for(int i = 1; i < n; i++)
		if(count[i] > max)
		{
			max = count[i];
			pos = i;
		}
	printf("%d\n", max);
	output(path, pos);
	return 0;
}