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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#206620#3708. routesesame1003ms1280kbC++11836b2024-07-23 19:07:012024-07-23 20:13:02

answer

#include<bits/stdc++.h>
#define poly vector<int>
using namespace std;
typedef long long ll;
int m,n,l;
poly ans;
poly add(poly a, poly b) {
	int n = max(a.size(), b.size());
	poly ans(n + 1);
	//加法
	for (int i = 0; i < n; i++) {
		if (i < a.size()) ans[i] += a[i];
		if (i < b.size()) ans[i] += b[i];
	}
	//进位
	for (int i = 0; i < n; i++) {
		ans[i + 1] += ans[i] / 10;
		ans[i] %= 10;
	}
	if (ans[n] == 0) {
		//ans重新定义大小为n
		ans.resize(n);
	}
	return ans;
}

void solve(){
	cin>>m>>n;
	l=n-m-1;
	poly a(1,1),b(1,1);
	for(int i=0;i<l;i++)
	{
		ans=add(a,b);
		a=b;
		b=ans;
	}
	reverse(ans.begin(),ans.end());
	for(auto i:ans)
	{
		cout<<i;
	}
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0),cout.tie(0);
	int t=1;
	//cin>>t;
	while (t--){
		solve();
	}
}

Details

小提示:点击横条可展开更详细的信息

Test #1:

score: 5
Accepted
time: 1ms
memory: 1272kb

input:

943 949

output:

13

result:

ok single line: '13'

Test #2:

score: 5
Accepted
time: 0ms
memory: 1268kb

input:

175 189

output:

610

result:

ok single line: '610'

Test #3:

score: 5
Accepted
time: 0ms
memory: 1272kb

input:

445 467

output:

28657

result:

ok single line: '28657'

Test #4:

score: 5
Accepted
time: 1ms
memory: 1268kb

input:

598 610

output:

233

result:

ok single line: '233'

Test #5:

score: 5
Accepted
time: 1ms
memory: 1272kb

input:

409 437

output:

514229

result:

ok single line: '514229'

Test #6:

score: 5
Accepted
time: 0ms
memory: 1268kb

input:

47 55

output:

34

result:

ok single line: '34'

Test #7:

score: 5
Accepted
time: 0ms
memory: 1268kb

input:

835 868

output:

5702887

result:

ok single line: '5702887'

Test #8:

score: 5
Accepted
time: 0ms
memory: 1272kb

input:

589 638

output:

12586269025

result:

ok single line: '12586269025'

Test #9:

score: 5
Accepted
time: 0ms
memory: 1268kb

input:

837 969

output:

2791715456571051233611642553

result:

ok single line: '2791715456571051233611642553'

Test #10:

score: 5
Accepted
time: 0ms
memory: 1268kb

input:

145 248

output:

2427893228399975082453

result:

ok single line: '2427893228399975082453'

Test #11:

score: 5
Accepted
time: 0ms
memory: 1276kb

input:

461 619

output:

757791618667731139247631372100066

result:

ok single line: '757791618667731139247631372100066'

Test #12:

score: 5
Accepted
time: 0ms
memory: 1272kb

input:

590 779

output:

2281217241465037496128651402858212007295

result:

ok single line: '2281217241465037496128651402858212007295'

Test #13:

score: 5
Accepted
time: 0ms
memory: 1272kb

input:

307 459

output:

42230279526998466217810220532898

result:

ok single line: '42230279526998466217810220532898'

Test #14:

score: 5
Accepted
time: 0ms
memory: 1268kb

input:

768 888

output:

8670007398507948658051921

result:

ok single line: '8670007398507948658051921'

Test #15:

score: 5
Accepted
time: 0ms
memory: 1276kb

input:

5 999

output:

3919377061614427623668052985592742430389065042819420493170692719480242247392252775480208752179017313...

result:

ok single line: '391937706161442762366805298559...9865808814650408864891823186505'

Test #16:

score: 5
Accepted
time: 0ms
memory: 1280kb

input:

4 999

output:

6341685300418834712936873743652479702279493077782703784593930186219165735154458712792650716708440646...

result:

ok single line: '634168530041883471293687374365...5783715452104982240098275933872'

Test #17:

score: 5
Accepted
time: 0ms
memory: 1276kb

input:

1 997

output:

1026106236203326233660492672924522213266855812060212427776462290569940798254671148827285946888745795...

result:

ok single line: '102610623620332623366049267292...5649524266755391104990099120377'

Test #18:

score: 5
Accepted
time: 0ms
memory: 1280kb

input:

1 998

output:

1660274766245209704954180047289770183494805119838482806235855309191857371770117020106551018559589860...

result:

ok single line: '166027476624520970495418004728...1433239718860373345088375054249'

Test #19:

score: 5
Accepted
time: 0ms
memory: 1276kb

input:

1 999

output:

2686381002448535938614672720214292396761660931898695234012317599761798170024788168933836965448335656...

result:

ok single line: '268638100244853593861467272021...7082763985615764450078474174626'

Test #20:

score: 5
Accepted
time: 0ms
memory: 1280kb

input:

1 1000

output:

4346655768693745643568852767504062580256466051737178040248172908953655541794905189040387984007925516...

result:

ok single line: '434665576869374564356885276750...8516003704476137795166849228875'