UVA10603Fill

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<vector>
#include<queue>
using namespace std;
const int MAXN = 210;
int a, b, c, d;
struct Node{
	int v[3], dis;
	bool operator < (const Node& rhs) const {
		return dis > rhs.dis;
	}
};
int vis[MAXN][MAXN];
int cup[3];
int ans[MAXN];
void update_ans(const Node& n) {
	for(int i = 0; i < 3; i++) {
		int d = n.v[i];
		if(ans[d] < 0 || ans[d] > n.dis) ans[d] = n.dis; 
	}
}
void solve(int a, int b, int c, int d) {
	Node n0;
	cup[0] = a; cup[1] = b; cup[2] = c;
	n0.v[0] = n0.v[1] = 0; 
	n0.v[2] = c; n0.dis = 0;
	update_ans(n0);
	priority_queue<Node> q;
	q.push(n0);
	vis[0][0] = 1;
    while(!q.empty()) {
    	if(ans[d] >= 0) break;
    	Node n = q.top(); q.pop();
    	update_ans(n);
    	for(int i = 0; i < 3; i++) {
    		for(int j = 0; j < 3; j++) {
    			if(i != j) {
    				if(n.v[i] == 0 || n.v[j] == cup[j]) continue;
    				int amount = min(cup[j] - n.v[j], n.v[i]);
    				Node n1;
    				memcpy(&n1, &n, sizeof(n));
					n1.v[i] -= amount;
					n1.v[j] += amount;
					if(vis[n1.v[0]][n1.v[1]]) continue;
					vis[n1.v[0]][n1.v[1]] = true;
					n1.dis = n.dis + amount;
					q.push(n1);  
				}
			}
		}
		
		
	}
	while(d >= 0) {
			if(ans[d] >= 0) { printf("%d %d\n", ans[d], d); return ;}
		    d--;
	}	
}


int main() {
	int T;
	scanf("%d", &T);
	while(T--) {
		memset(ans, -1, sizeof(ans));
		memset(vis, 0, sizeof(vis));
		scanf("%d%d%d%d", &a, &b, &c, &d);
		solve(a, b, c, d);
	}
	
	return 0;
}
/*
2
2 3 4 2
96 97 199 62
*/

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值