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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
#197982#6130. Plants vs. ZombiesHarryJWA 113ms5152kbC++231.0kb2023-10-02 23:03:342023-10-02 23:03:35

Judging History

你现在查看的是最新测评结果

  • [2023-10-02 23:03:35]
  • 评测
  • 测评结果:WA
  • 用时:113ms
  • 内存:5152kb
  • [2023-10-02 23:03:34]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

typedef long long LL;
typedef pair<int,int> P;
const LL mod=998244353;
const int INF=0x3f3f3f3f;
const int N=1e5+10;
LL a[N],b[N];
LL n,m;

int check(LL x)
{
    for(int i=1;i<=n;i++) b[i]=(x+a[i]-1)/a[i]-1;
    
    LL cnt=n;
    int last=n;
    
    for(int i=n;i>=1;i--)
    {
        if(b[i]>0)
        {
            cnt+=b[i]*2;
            b[i-1]-=b[i];
            
            last=i;
        }
        
        cnt++;
        b[i-1]--;
    }
    
    cnt-=last;
    
    if(cnt<=m) return 1;
    return 0;
    
}

void solve()
{
    cin>>n>>m;
    
    for(int i=1;i<=n;i++) cin>>a[i];
    
    LL l=0,r=1e17;
    
    while(l<r)
    {
        LL mid=(l+r+1)/2;
        
        if(check(mid)) l=mid;
        else r=mid-1;
    }
    
    cout<<l<<endl;
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
    int tt; cin>>tt;
    
    while(tt--) solve();
    
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3588kb

input:

2
4 8
3 2 6 6
3 9
10 10 1

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: -100
Wrong Answer
time: 113ms
memory: 5152kb

input:

116
4 0
3 2 6 6
4 1
3 2 6 6
10 19
10 2 8 4 2 4 9 3 3 3
4 8
3 9 3 6
2 19
2 10
11 15
3 1 1 4 3 7 10 8 6 7 10
10 14
8 7 1 1 10 9 2 8 10 7
2 13
2 3
10 10
8 1 6 6 9 4 7 1 8 8
7 14
6 7 4 5 3 1 3
11 6
8 1 10 9 7 2 6 6 1 3 9
4 10
6 1 3 8
7 7
10 6 2 10 4 7 2
5 11
9 10 5 9 2
9 1
2 4 8 6 2 8 8 1 6
4 5
7 2 9 8
...

output:

0
0
4
6
20
2
2
14
2
5
0
4
2
8
0
4
24
2
30
12
0
2
3
0
0
2
6
0
2
4
24
28
2
4
2
0
4
10
6
2
2
5
0
2
0
7
36
4
0
0
16
8
0
30
3
30
8
4
0
0
2
0
2
0
3
2
0
0
0
0
5
0
4
6
28
0
0
21
6
0
3
6
0
0
16
3
6
1
0
6
14
6
8
0
4
0
12
14
6
8
2
6
12
0
687
0
2
36
650
532
16
0
94
16650504450556638
1000000000000
16561021520

result:

wrong answer 6th numbers differ - expected: '3', found: '2'