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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#650275 | #9475. Pangu and Stones | ucup-team5071# | WA | 31ms | 3832kb | C++20 | 1.1kb | 2024-10-18 14:24:13 | 2024-10-18 14:24:13 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
void gmin(int &x,int y){
if(x==-1)x=y;
else if(y<x)x=y;
};
int solve(int n,int L,int R,vector<int> a){
vector<vector<int>> dp(n+1,vector<int>(n+1,-1));
sort(a.begin()+1,a.end());
auto sum=a;
for(int i=1;i<=n;i++)sum[i]+=sum[i-1];
function<int(int,int)> dfs = [&](int x,int y){
if(dp[x][y]!=-1)return dp[x][y];
if(x==y){
if(x>=L&&x<=R)return 0ll;
else return -1ll;
}
for(int i=0;i<x;i++){
for(int j=(x-i)*L;j<=min((x-i)*R,y-i);j++){
int v=dfs(j,y-i);
if(v!=-1)gmin(dp[x][y],dfs(j,y-i)+sum[y-i]);
}
}
// cout<<"x="<<x<<" y="<<y<<" dp="<<dp[x][y]<<endl;
return dp[x][y];
};
int v=dfs(1,n);
if(v==-1)return 0;
else return v;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
int n,L,R;
while(cin>>n>>L>>R){
vector<int> a(n+1);
for(int i=1;i<=n;i++)cin>>a[i];
cout<<solve(n,L,R,a)<<"\n";
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3832kb
input:
3 2 2 1 2 3 3 2 3 1 2 3 4 3 3 1 2 3 4
output:
9 6 0
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 31ms
memory: 3720kb
input:
100 4 7 570 608 194 26 243 470 418 119 1000 936 440 302 797 155 676 283 869 60 959 793 158 397 808 656 379 316 485 854 753 280 543 435 756 822 106 561 402 347 99 739 8 682 834 549 812 32 338 765 699 575 575 785 171 504 335 113 284 612 276 518 835 677 865 900 687 48 859 179 343 318 626 812 523 11 400...
output:
116415 56024 48257 79800 93274 7238 1564 8573 2852 15058 3805 7597 12558 1617 6551 5386 12586 922 5911 15460 3352 12154 11949 9790 2617 5851 3725 2246 6436 0 13759 10875 7909 9686 35116 4659 8681 0 8017 7461 9884 1144 4294 10228 4405 4788 10441 1623 11464 14811 900 11084 9987 7582 9488 1871 0 4084 3...
result:
wrong answer 1st lines differ - expected: '120446', found: '116415'