比赛 |
20241125 |
评测结果 |
AAAAAAAAA |
题目名称 |
夏娜的菠萝包 |
最终得分 |
100 |
用户昵称 |
darkMoon |
运行时间 |
1.167 s |
代码语言 |
C++ |
内存使用 |
4.73 MiB |
提交时间 |
2024-11-25 08:34:34 |
显示代码纯文本
#include<bits/stdc++.h>
#define int long long
using namespace std;
auto IN = freopen("shana.in", "r", stdin);
auto OUT = freopen("shana.out", "w", stdout);
auto mread = [](){int x;scanf("%lld", &x);return x;};
int n;
signed main(){
while(cin >> n){
if(n == 0){
return 0;
}
int a[n + 5], b[n + 5];
for(int i = 1; i <= n; i ++){
cin >> a[i] >> b[i];
}
int m = mread();
int k[m + 5], e[m + 5], bit[m + 5] = {0}, sum[m + 5] = {0}, de[m + 5] = {0}, life[m + 5];
vector<int> v[m + 5];
for(int i = 1; i <= m; i ++){
cin >> k[i] >> e[i];
life[i] = n;
v[i] = vector<int>(k[i] + 5, 0);
for(int j = 1; j <= k[i]; j ++){
cin >> v[i][j];
if(1 & (bit[i] >> v[i][j])){
life[i] = -1;
}
sum[i] += a[v[i][j]];
de[i] += b[v[i][j]];
life[i] = min(life[i], a[v[i][j]] / b[v[i][j]]);
bit[i] += 1 << v[i][j];
}
// cout << i << " " << (bitset<5>)bit[i] << " " << sum[i] << " " << de[i] << " " << life[i] << "\n";
}
int ma = 1 << n + 1;
vector<vector<int> > f(n + 5, vector<int>(ma + 5, -0x3f3f3f3f));
f[0][0] = 0;
for(int i = 0; i < n; i ++){
for(int now = 0; now < ma; now ++){
for(int j = 1; j <= m; j ++){
if((now & bit[j]) == 0 && life[j] >= i){
f[i + 1][now ^ bit[j]] = max(f[i + 1][now ^ bit[j]], f[i][now] + e[j] + sum[j] - i * de[j]);
}
}
}
}
int ans = 0;
for(int i = 0; i <= n; i ++){
for(int now = 0; now < ma; now ++){
ans = max(ans, f[i][now]);
}
}
printf("%lld\n", ans);
}
return 0;
}