10603:Fill

Fill

#include<bits/stdc++.h>
using namespace std;
const int maxn = 200 + 5;
int T, a, b, c, d;
struct node{
    int v[3], dist;
    bool operator < (const node& rhs) const{
        return dist > rhs.dist;
    }
};

int cap[3], vis[maxn][maxn], ans[maxn];
void update_ans(const node& u){
    for(int i = 0; i < 3; i++){
        int d = u.v[i];
        if(ans[d] < 0 || ans[d] > u.dist) ans[d] = u.dist;
    }
}

void solve(){
    memset(vis, 0, sizeof(vis));
    memset(ans, -1, sizeof(ans));
    node start;
    start.v[0] = 0, start.v[1] = 0, start.v[2] = c, start.dist = 0;
    cap[0] = a, cap[1] = b, cap[2] = c;
    priority_queue<node> q;
    q.push(start);
    vis[0][0] = 1;
    while(!q.empty()){
        node u = q.top(); q.pop();
        update_ans(u);
        if(ans[d] >= 0) break;
        for(int i = 0; i < 3; i++){
            for(int j = 0; j < 3; j++) if(i != j){
                if(u.v[i] == 0 || u.v[j] == cap[j]) continue;
                int amount = min(cap[j], u.v[i] + u.v[j]) - u.v[j];
                node u2;
                memcpy(&u2, &u, sizeof(u));
                u2.v[i] -= amount;
                u2.v[j] += amount;
                u2.dist += amount;
                if(!vis[u2.v[0]][u2.v[1]]){
                    vis[u2.v[0]][u2.v[1]] = 1;
                    q.push(u2);
                }
            }
        }
    }
    while(d >= 0){
        if(ans[d] >= 0){
            printf("%d %d\n", ans[d], d);
            return;
        }
        d--;
    }
}

int main()
{
    scanf("%d", &T);
    while(T--){
        scanf("%d%d%d%d", &a, &b, &c, &d);
        solve();
    }
    return 0;
}

 

点赞