NOI.AC
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #211979 | #3815. 种树 | Alex9876 | 10 | 0ms | 1200kb | C++ | 383b | 2024-10-13 09:33:51 | 2024-10-13 12:54:10 |
answer
#include<bits/stdc++.h>
int C(int a,int b)
{
int res=1;
for(int c=a;c>a-b;c-=1){res*=c;}
for(int v=1;v<b+1;v+=1){res/=b;}
return res;
}
int main()
{
int a,b,c,t=0;
std::cin>>a>>b>>c;
int maxmium=c;
if(c>ceil(1.0*a*b/2))
{
std::cout<<0;
return 0;
}
for(int r=1;r<maxmium+1;r+=1){t+=C(ceil(a*b/2.0),r);}
std::cout<<t;
return 0;
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 1200kb
input:
2 2 1
output:
2
result:
wrong answer 1st numbers differ - expected: '4', found: '2'
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 1200kb
input:
2 3 2
output:
4
result:
wrong answer 1st numbers differ - expected: '8', found: '4'
Test #3:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
4 4 2
output:
22
result:
wrong answer 1st numbers differ - expected: '96', found: '22'
Test #4:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
4 4 5
output:
42
result:
wrong answer 1st numbers differ - expected: '304', found: '42'
Test #5:
score: 0
Wrong Answer
time: 0ms
memory: 1200kb
input:
3 4 3
output:
17
result:
wrong answer 1st numbers differ - expected: '84', found: '17'
Test #6:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
3 5 2
output:
22
result:
wrong answer 1st numbers differ - expected: '83', found: '22'
Test #7:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
3 5 3
output:
34
result:
wrong answer 1st numbers differ - expected: '215', found: '34'
Test #8:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
3 5 4
output:
40
result:
wrong answer 1st numbers differ - expected: '276', found: '40'
Test #9:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
3 5 5
output:
42
result:
wrong answer 1st numbers differ - expected: '174', found: '42'
Test #10:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
4 3 5
output:
18
result:
ok 1 number(s): "18"
