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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
#212543#3839. 小t爱算数(mul)huangyuhang908ms1216kbC++11858b2024-10-19 11:04:232024-10-19 12:34:46

answer

#include<bits/stdc++.h>
using namespace std;
int A[1000+5];
int B[1000+5];
int C[2000+5];
int main()
{
//	freopen("A.in","r",stdin);
//	freopen("A.out","w",stdout);
	int a,b;
	cin>>a>>b;
	while(true)
	{
		A[a]=b;
		cin>>a;
		if(a==-1)
			break;
		cin>>b;
	}
	cin>>a>>b;
	while(true)
	{
		B[a]=b;
		cin>>a;
		if(a==-1)
			break;
		cin>>b;
	}
	for(int i=1000;i>=0;i--)
	{
		for(int j=1000;j>=0;j--)
		{
			C[i+j]+=A[i]*B[j];
		}
	}
	int f=0;
	for(int i=2000;i>=1;i--)
	{
		if(C[i]&&!f)
		{
			f=1;
			cout<<C[i]<<"x^"<<i;
		}
		else if(C[i])
		{
			if(C[i]>0)
				if(C[i]==1)
				cout<<'+'<<"x^"<<i;
				else
				cout<<'+'<<C[i]<<"x^"<<i;
			else
				cout<<C[i]<<"x^"<<i;
		}
	}
	if(!f)
		cout<<C[0];
	else
	{
		if(C[0])
		if(C[0]>0)
			cout<<"+"<<C[0];
		else
			cout<<C[0];	
	}
	
	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: 1208kb

input:

10 -7 9 3 7 4 6 -3 4 2 3 -7 2 -7 0 -3 -1
10 -9 8 9 7 -6 6 7 5 -2 3 -9 2 -9 1 7 0 3 -1

output:

63x^20-27x^19-63x^18+33x^17-40x^16+71x^15-75x^14+172x^13+88x^12-145x^11-16x^10-11x^9-7x^8+5x^7+15x^6...

result:

ok single line: '63x^20-27x^19-63x^18+33x^17-40...146x^5+20x^4-43x^3+6x^2-21x^1-9'

Test #2:

score: 10
Accepted
time: 1ms
memory: 1208kb

input:

4 3 2 -2 -1
4 3 2 2 -1

output:

9x^8-4x^4

result:

ok single line: '9x^8-4x^4'

Test #3:

score: 10
Accepted
time: 0ms
memory: 1212kb

input:

100 -7 99 73 98 30 97 44 96 -23 95 -40 94 92 93 -87 92 -27 91 40 90 -3 89 -9 88 -60 87 99 86 -16 85 ...

output:

-126x^199+1958x^198-5539x^197-8128x^196-11858x^195-8722x^194+5062x^193-10855x^192+2208x^191-1348x^19...

result:

ok single line: '-126x^199+1958x^198-5539x^197-...^4-8639x^3+3990x^2+2463x^1-2156'

Test #4:

score: 10
Accepted
time: 4ms
memory: 1212kb

input:

1000 -807 999 73 998 930 997 544 996 -923 995 -440 994 492 993 -987 992 -327 991 840 990 -303 989 -7...

output:

-736791x^1999-60050x^1998+390877x^1997-91166x^1996+209275x^1995+495327x^1994+131675x^1993-2564166x^1...

result:

ok single line: '-736791x^1999-60050x^1998+3908...9x^3-646021x^2+537451x^1-473709'

Test #5:

score: 10
Accepted
time: 0ms
memory: 1216kb

input:

1000 -807 999 73 998 930 997 544 996 -923 995 -440 994 492 993 -987 992 -327 991 840 990 -303 989 -7...

output:

-736791x^1999-60050x^1998+390877x^1997-91166x^1996+209275x^1995+495327x^1994+131675x^1993-2564166x^1...

result:

ok single line: '-736791x^1999-60050x^1998+3908...9x^3-646021x^2+537451x^1-473709'

Test #6:

score: 10
Accepted
time: 0ms
memory: 1212kb

input:

1000 -807 999 73 998 930 997 544 996 -923 995 -440 994 492 993 -987 992 -327 991 840 990 -303 989 -7...

output:

-736791x^2000-60050x^1999+390877x^1998-91166x^1997+209275x^1996+495327x^1995+131675x^1994-2564166x^1...

result:

ok single line: '-736791x^2000-60050x^1999+3908...7x^3+221500x^2-144211x^1-256519'

Test #7:

score: 0
Wrong Answer
time: 0ms
memory: 1212kb

input:

3 1 2 -1 0 1 -1
1 1 -1

output:

1x^4-1x^3+x^1

result:

wrong answer 1st lines differ - expected: 'x^4-x^3+x^1', found: '1x^4-1x^3+x^1'

Test #8:

score: 10
Accepted
time: 1ms
memory: 1212kb

input:

999 -807 998 73 997 930 996 544 995 -923 994 -440 993 492 992 -987 991 -327 990 840 989 -303 988 -70...

output:

473709x^1998-779642x^1997-605960x^1996+71549x^1995+450635x^1994+467555x^1993+206523x^1992+711044x^19...

result:

ok single line: '473709x^1998-779642x^1997-6059...26x^3-912464x^2+110065x^1+91234'

Test #9:

score: 10
Accepted
time: 1ms
memory: 1216kb

input:

0 -807 1 73 2 930 3 544 4 -923 5 -440 6 492 7 -987 8 -327 9 840 10 -303 11 -709 12 -560 13 99 14 -81...

output:

608478x^1999-492227x^1998+14839x^1997-376616x^1996+211161x^1995+576247x^1994-740738x^1993+457833x^19...

result:

ok single line: '608478x^1999-492227x^1998+1483...9x^3-605960x^2-779642x^1+473709'

Test #10:

score: 10
Accepted
time: 1ms
memory: 1216kb

input:

0 -807 1 73 2 930 3 544 4 -923 5 -440 6 492 7 -987 8 -327 9 840 10 -303 11 -709 12 -560 13 99 14 -81...

output:

-256519x^2000-144211x^1999+221500x^1998-697587x^1997+856787x^1996-713790x^1995-346511x^1994+35098x^1...

result:

ok single line: '-256519x^2000-144211x^1999+221...66x^3+390877x^2-60050x^1-736791'