nyq0812 @ 2024-11-15 20:44:43
rt
#include<iostream>
using namespace std;
int main(){
int a[10086],b[10086],c[10086];
bool n;
string s1,s2;
cin>>s1>>s2;
if(s1.size()<s2.size()||s1.size()==s2.size()&&s1<s2)
{
swap(s1,s2);
n=true;
//cout<<'-';
}
int len1=s1.size();
int len2=s2.size();
for(int i=0;i<len1;i++)
{
a[i]=s1[len1-i-1]-'0';
}
for(int i=0;i<len2;i++)
{
b[i]=s2[len2-i-1]-'0';
}
for(int i=0;i<len1;i++)
{
if(a[i]-b[i]<0)
{
a[i]+=10;
a[i+1]--;
}
c[i]=a[i]-b[i];
}
while(c[len1-1]==0&&len1>1)
{
len1--;
}
if(n==true)
cout<<'-';
for(int i=len1-1;i>=0;i--)
{
cout<<c[i];
}
}
by longyitongxue @ 2024-11-15 20:53:34
数组没有清零
by longyitongxue @ 2024-11-15 20:54:10
int a[10086]={},b[10086]={},c[10086]={};
by longyitongxue @ 2024-11-15 20:54:22
加个关注