uva 757

时间:2023-03-10 00:42:50
uva 757

贪心  优先队列

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <vector>
#include <sstream>
#include <string>
#include <cstring>
#include <algorithm>
#include <iostream>
#define maxn 110
#define INF 0x7fffffff
#define inf 10000000
#define MOD 1000000007
#define ull unsigned long long
#define ll long long
using namespace std; struct node
{
int id, f, d;
bool operator < (const node& p) const
{
if(f != p.f) return f < p.f;
return id > p.id; //当f相等时 必须序号小的先出队列
}
} pp[30]; int n, _time, la[30], ans[30], _max; void init()
{
memset(ans, 0, sizeof(ans));
memset(la, 0, sizeof(la));
scanf("%d", &_time);
_time *= 60;
for(int i = 0; i < n; ++ i) scanf("%d", &pp[i].f), pp[i].id = i+1;
for(int i = 0; i < n; ++ i) scanf("%d", &pp[i].d);
for(int i = 2; i <= n; ++ i)
{
scanf("%d", &la[i]);
la[i] = la[i]*5+la[i-1];
// printf("%d ", la[i]);
}
// puts("");
} void solve()
{
priority_queue<node> q;
int tem[30], sum;
_max = -1000; //_max必须初始化为负值
for(int i = 1; i <= n; ++ i)
{
while(!q.empty()) q.pop();
memset(tem, 0, sizeof(tem));
sum = 0;
for(int j = 0; j < i; ++ j) q.push(pp[j]);
int got = _time-la[i];
// printf("*********got:%d\n", got);
while(got >= 5)
{
node tt = q.top();
q.pop();
if(tt.f <= 0) break;
sum += tt.f;
tt.f -= tt.d;
tem[tt.id] += 5;
q.push(tt);
got -= 5;
}
if(got > 0) tem[1] += got; //多的时间加到一号湖
if(sum > _max)
{
// printf("*********%d\n", i);
_max = sum;
for(int j = 1; j <= n; ++ j) ans[j] = tem[j];
}
}
}
int main()
{
// freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
bool flag = false;
while(scanf("%d", &n) == 1 && n)
{
init();
solve();
if(flag) puts(""); //最后一个样例后没空行
else flag=true;
printf("%d", ans[1]);
for(int i = 2; i <= n; ++ i) printf(", %d", ans[i]);
puts("");
printf("Number of fish expected: %d\n", _max);
// puts("");
}
return 0;
}