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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
#720747	#6130. Plants vs. Zombies	MLK2	AC ✓	250ms	5272kb	C++14	1.4kb	2024-11-07 13:56:37	2024-11-07 13:56:38

Judging History

你现在查看的是最新测评结果

[2024-11-07 13:56:38]
评测

测评结果：AC
用时：250ms
内存：5272kb

查看

[2024-11-07 13:56:37]
提交

answer

#include <bits/stdc++.h>
#define N (200000 + 10)  /*------------------ #define ------------------*/
#define M (400000 + 10)
#define MOD (1000000000 + 7)
//#define MOD (998244353)
#define INF (0x3f3f3f3f)
#define LNF (3e18)
#define mod(a,b) (((a)%(b)+(b))%(b))
#define IOS ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
#define fi first
#define se second
using namespace std;
typedef long long LL;
typedef unsigned long long ULL;
typedef pair<int,int> PII;
typedef pair<LL,LL> PLL;
typedef pair<int,LL> PIL;
typedef pair<LL,int> PLI;
typedef pair<double,double> PDD;

LL n,m;
LL a[N];

bool check(LL x){
	vector<LL> c(n + 10,0ll);
	for(int i = 1;i <= n;i ++ )
		c[i] = (x + a[i] - 1) / a[i];
	LL sum = 0;
	for(int i = 1;i <= n;i ++ ){
		if(i == n){
			if(c[i] <= 0) break;
			sum += c[i] + c[i] - 1;
			break;
		}
		if(c[i] <= 0 && i < n){
			sum ++ ;
			continue;
		}
		sum += c[i] + c[i] - 1;
		//cout << sum << '\n';
		c[i + 1] -= c[i] - 1;
	}
	
	//cout << x << " : " << sum << '\n';
	return sum <= m;
}

auto solve(){
	
	cin >> n >> m;
	for(int i = 1;i <= n;i ++ ) cin >> a[i];
	
	LL l = 0,r = 1e13;
	//check(90);
	while(l < r){
		LL mid = l + r + 1 >> 1;
		if(check(mid)) l = mid;
		else r = mid - 1;
	}
	
	cout << r << '\n';
}

signed main(){
	IOS
	int T = 1;
	cin >> T;
	while(T -- ) solve();
	//while(T -- ) cout << (solve() ? "YES" : "NO") << '\n';

    return 0;
}

源文件, 语言: C++14

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3640kb

input:

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: 0

Accepted

time: 95ms

memory: 5272kb

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
3
2
14
1
4
0
4
2
6
0
2
24
3
30
10
0
2
3
0
0
2
6
0
1
6
24
28
1
4
3
0
4
10
6
4
1
5
0
2
0
7
30
2
0
0
16
8
0
30
2
30
4
2
0
0
2
0
2
0
5
2
0
0
0
0
5
0
4
6
28
0
0
21
3
0
2
4
0
0
14
4
6
1
0
5
14
3
8
0
4
0
10
12
5
8
1
6
12
0
725
0
17
132
676
588
110
0
163
5910826
1000000000000
16561021906

result:

ok 116 numbers

Test #3:

score: 0

Accepted

time: 250ms

memory: 5144kb

input:

2110
4 0
3 2 6 6
4 1
3 2 6 6
2 7
3 9
28 82
68 27 32 98 88 19 96 37 53 50 45 37 41 92 51 70 73 84 2 53 7 89 9 59 24 23 62 97
22 145
61 22 87 34 75 89 22 6 10 74 21 35 33 23 85 66 89 46 16 48 2 48
25 146
67 63 93 98 1 70 57 45 40 15 1 5 54 38 96 19 94 18 43 98 28 45 47 92 46
21 26
83 54 21 72 25 47 2 ...

output:

result:

ok 2110 numbers