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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#189876#4. 爬楼梯DuanTianqi1000ms512kbC++291b2023-10-04 19:32:372023-10-04 19:32:38

answer

#include<cstdio>
int main(){
    int num;
	long long fib[3]={1,1};
    scanf("%d",&num);
    if(num<=2){
    	printf("%d",1);
    	return 0;
	}
    for(int i=2;i<=num;i++){
    	fib[2]=fib[1]+fib[0];
    	fib[0]=fib[1];fib[1]=fib[2];
	}
	printf("%lld",fib[2]);
    return 0;
}

Details

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Test #1:

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

input:

36

output:

24157817

result:

ok 1 number(s): "24157817"

Test #2:

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

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: 512kb

input:

21

output:

17711

result:

ok 1 number(s): "17711"

Test #5:

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

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: 508kb

input:

1

output:

1

result:

ok 1 number(s): "1"