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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
#156831#4. 爬楼梯hjr1000ms512kbC++11181b2022-08-09 08:35:492022-08-09 08:35:49

answer

#include<cstdio>
long long n,x = 1,y = 2;
int main()
{
    scanf("%lld",&n);
    while (n > 2)
        x = x+y,y = x+y,n -= 2;
    printf("%lld\n",n&1?x:y);
    return 0;
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

36

output:

24157817

result:

ok 1 number(s): "24157817"

Test #2:

score: 10
Accepted
time: 0ms
memory: 512kb

input:

30

output:

1346269

result:

ok 1 number(s): "1346269"

Test #3:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

29

output:

832040

result:

ok 1 number(s): "832040"

Test #4:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

21

output:

17711

result:

ok 1 number(s): "17711"

Test #5:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

16

output:

1597

result:

ok 1 number(s): "1597"

Test #6:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

12

output:

233

result:

ok 1 number(s): "233"

Test #7:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

9

output:

55

result:

ok 1 number(s): "55"

Test #8:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

5

output:

8

result:

ok 1 number(s): "8"

Test #9:

score: 10
Accepted
time: 0ms
memory: 508kb

input:

4

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 10
Accepted
time: 0ms
memory: 512kb

input:

1

output:

1

result:

ok 1 number(s): "1"