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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
#91017#6130. Plants vs. ZombiesyyyyxhWA 161ms6256kbC++17897b2023-03-26 17:33:132023-03-26 17:33:15

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-26 17:33:15]
  • 评测
  • 测评结果:WA
  • 用时:161ms
  • 内存:6256kb
  • [2023-03-26 17:33:13]
  • 提交

answer

#include <cstdio>
using namespace std;
template<typename T>
T read(){
	char c=getchar();T x=0;
	while(c<48||c>57) c=getchar();
	do x=(x<<1)+(x<<3)+(c^48),c=getchar();
	while(c>=48&&c<=57);
	return x;
}
typedef long long ll;
const int N=1000003;
int n;ll m;
int a[N];
ll b[N];
bool calc(ll lim){
	if(lim==0ll) return 1;
	ll res=0;
	for(int i=1;i<=n+1;++i) b[i]=0;
	for(int i=1;i<=n;++i){
		if(i==n&&b[i]>=lim) return res<=m;
		b[i]+=a[i];++res;
		if(b[i]<lim){
			ll t=(lim-b[i]+a[i]-1)/a[i];
			b[i]+=t*a[i];
			b[i+1]+=(t-1)*a[i+1];
			res+=t+t-1;
			if(res>m) return 0;
		}
	}
	return res<=m;
}
int main(){
	int tc=read<int>();
	while(tc--){
		n=read<int>();m=read<ll>();
		for(int i=1;i<=n;++i) a[i]=read<int>();
		ll l=0,r=1e17;
		while(l<r){
			ll mid=(l+r)>>1;
			if(calc(mid)) l=mid+1;
			else r=mid;
		}
		printf("%lld\n",l-1);
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3456kb

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: 161ms
memory: 6256kb

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
8
0
4
24
3
30
12
0
2
4
0
0
2
8
0
2
6
24
28
2
4
3
0
4
12
6
4
2
8
0
2
0
7
32
3
0
0
16
8
0
30
4
30
8
2
0
0
2
0
3
0
5
2
0
0
0
0
5
0
5
6
32
0
0
24
4
0
2
4
0
0
14
4
6
1
0
6
14
3
9
0
4
0
12
12
6
8
2
6
12
0
760
0
19
144
702
651
119
0
174
5910827
1000000000000
16561022764

result:

wrong answer 14th numbers differ - expected: '6', found: '8'