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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#266859	#6130. Plants vs. Zombies	fsy_juruo	AC ✓	195ms	5056kb	C++14	1.1kb	2023-11-26 18:30:50	2023-11-26 18:30:50

Judging History

你现在查看的是最新测评结果

[2023-11-26 18:30:50]
评测

测评结果：AC
用时：195ms
内存：5056kb

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[2023-11-26 18:30:50]
提交

answer

// Problem: [ICPC2018 Qingdao R] E. Plants vs. Zombies
// Author: Polygon Rac

#include <bits/stdc++.h>

template <typename T>
inline void read(T &x) {
	x = 0; T f = (T) 1;
	char c = getchar();
	for(; !isdigit(c); c = getchar()) {if(c == '-') f = -f;}
	for(; isdigit(c); c = getchar()) x = x * 10 + c - 48;
	x *= f;
}
int T, n, a[100010];
long long m, h[100010];
bool check(long long x) {
	long long moves = 0;
	for(int i = 1; i <= n; i++) {
		if(h[i] >= x) {
			++moves;
		} else {
			long long delt = x - h[i];
			long long st = (delt + a[i] - 1) / a[i];
			moves += 2ll * st - 1; 
			if(moves > m) return false;
			h[i + 1] += a[i + 1] * (st - 1);	
		}
	}
	return true;
}
int main() {
	read(T);
	while(T--) {
		read(n); read(m);
		for(int i = 1; i <= n; i++) read(a[i]);
		if(m == 0) {printf("0\n"); continue;}
		long long l = 0, r = 1e18;
		while(l < r) {
			long long mid = (l + r + 1) >> 1;
			memset(h, 0, sizeof(long long) * (n + 2)); 
			if(check(mid)) l = mid;
			else r = mid - 1;
		}
		printf("%lld\n", l);
	}
	return 0; 
}

Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3804kb

input:

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: 0

Accepted

time: 83ms

memory: 5056kb

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: 195ms

memory: 4896kb

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