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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
#517091#6130. Plants vs. ZombiesTahmid76WA 118ms9920kbC++142.0kb2024-08-13 06:02:062024-08-13 06:02:06

Judging History

你现在查看的是最新测评结果

  • [2024-08-13 06:02:06]
  • 评测
  • 测评结果:WA
  • 用时:118ms
  • 内存:9920kb
  • [2024-08-13 06:02:06]
  • 提交

answer

//And He found you lost and guided [you] [93:07]

//#pragma GCC optimize ("Ofast")
//#pragma GCC target ("avx2")
//#pragma GCC optimize("unroll-loops")

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

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef vector<ll> vll;
typedef vector<int> vii;
typedef map<int,int> mpi;
typedef map<ll,ll> mpl;
typedef unordered_map<int,int> umpi;
typedef unordered_map<ll,ll> umpl;

#define modu 998244353 
#define mod 1000000007
#define eps 1e-9
#define inf 1000000000000000006
#define ff first
#define ss second
#define pb push_back
#define all(v) v.begin(), v.end()
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define endl '\n'
// #define pi acos(-1.0)
#define dec(n) fixed << setprecision(n)
#define N 300005
#define int long long

int n,m,a[N],c[N],cs[N];

int chk(int x){
    int moves=0;
    c[0]=0;
    cs[0]=0;
    if(x==0) return 1;
    for(int i=1;i<=n;i++){
        c[i]=(x+a[i]-1)/a[i];
        c[i]--;
        cs[i]=(cs[i-1]+c[i])!=0;
    }
    moves=n;
    for(int i=n;i>0;i--){
        moves+=max(0LL,c[i])*2+1;
        c[i-1]-=(max(0LL,c[i])+1);
        if(cs[i-1]==0){
            moves--;
            if(c[i]<0) moves--;
            break;
        } 

    }
    // cout << moves << " ";
    return moves<=m;
}

void solve(){
    cin >> n >> m;
    for(int i=1;i<=n;i++) cin >> a[i];

    // for(int i=0;i<=10;i++) cout << i << "  ->  " << chk(i) << endl;

    int lo=0,hi=1e18,ans;
    while(lo<=hi){
        int mid=(lo+hi)/2;
        if(chk(mid)){
            ans=mid;
            lo=mid+1;
        }
        else hi=mid-1;
    }

    
    cout << ans << endl;

    




    





}


signed main(){
    fastio;
    //srand(chrono::steady_clqk::now().time_since_epqh().count());
    // fflush(stdout);
    int T=1,cs=0;
    cin >> T;
    while(T--){
        //cout << "Case " << ++cs << ": " ; 
        solve();
    } 
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 7672kb

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: 118ms
memory: 9920kb

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
3
6
20
1
1
14
1
4
0
4
2
6
0
2
24
2
30
10
0
1
3
0
0
2
6
0
1
4
24
28
1
4
2
0
2
10
6
2
1
5
0
2
0
7
30
2
0
0
16
8
0
24
2
30
4
2
0
0
2
0
2
0
3
2
0
0
0
0
4
0
2
6
28
0
0
21
3
0
2
4
0
0
14
3
6
1
0
4
14
3
8
0
4
0
10
12
5
8
1
6
12
0
684
0
1
18
650
528
16
0
94
581298493411633716
999999900000
74002882276225...

result:

wrong answer 3rd numbers differ - expected: '4', found: '3'