Acpang @ 2024-11-17 11:55:52
include<bits/stdc++.h>
using namespace std;
int b(int c)
{
int i ;
if (c < 0)
i = 1;
else
i = 0;
while (c)
{
c = c / 10;
i++;
}
return i;
}
int main()
{
int n, x, y,t,i;
string a;
char d={};
cin >> n;
while (n--)
{
cin >> a, t = 2;
if (a[0] == 'a')
{
d = a[0];
cin >> x >> y;
cout << x << "+" << y << "=" << x + y << '\n';
t = t + b(x) + b(y) + b(x + y);
if(n==0)
cout << t;
else
cout << t << '\n';
}
else if (a[0] == 'b')
{
d = a[0];
cin >> x >> y;
cout << x << "-" << y << "=" << x - y << '\n';
t = t + b(x) + b(y) + b(x - y);
if (n == 0)
cout << t;
else
cout << t << '\n';
}
else if (a[0] == 'c')
{
d = a[0];
cin >> x >> y;
cout << x << "*" << y << "=" << x * y << '\n';
t = t + b(x) + b(y) + b(x * y);
if (n == 0)
cout << t;
else
cout << t << '\n';
}
else
{
int s = 0, c = 10;
for (i = 0; a[i] != '\0'; i++)
{
s = s * c + (a[i] - '0');
}
cin >> y;
if (d == 'a')
{
cout << s << "+" << y << "=" << s + y << '\n';
t = t + b(s) + b(y) + b(s + y);
if (n == 0)
cout << t;
else
cout << t << '\n';
}
else if (d == 'b')
{
cout << s << "-" << y << "=" << s - y << '\n';
t = t + b(s) + b(y) + b(s - y);
if (n == 0)
cout << t;
else
cout << t << '\n';
}
else if (d == 'c')
{
cout << s << "*" << y << "=" << s * y << '\n';
t = t + b(s) + b(y) + b(s * y);
if (n == 0)
cout << t;
else
cout << t << '\n';
}
}
}
}by Flora_liu @ 2024-11-27 21:33:04
#include<bits/stdc++.h>
using namespace std;
int sl(int n)//统计每个数有多少位？
{
int ans=0;
if(n==0)
return 1;
while(n)
{
n/=10;
ans++;
}
return ans;
}
void jg(int a,int b,char s)//判断并输出。
{
int c=sl(a)+sl(b);
if(s=='a')
cout<<a<<'+'<<b<<'='<<a+b<<endl<<c+sl(a+b)+2<<endl;
else if(s=='b')
{
if(a-b<0)
c++;
cout<<a<<'-'<<b<<'='<<a-b<<endl<<c+sl(abs(a-b))+2<<endl;
}
else if(s=='c')
cout<<a<<'*'<<b<<'='<<a*b<<endl<<c+sl(abs(a*b))+2<<endl;
}
int main()
{
int n;
char a[50];
cin>>n;
for(int i=0;i<n;i++)
{
char s[5];
cin>>s;
int b,c;
if(s[0]<'a')
{
cin>>c;
b=atoi(s);//函数功能是把字符串转为数字。（int）
}
else
cin>>b>>c;
a[i]=s[0];
if(s[0]>='a')
jg(b,c,a[i]);
else
{
jg(b,c,a[i-1]);
a[i]=a[i-1];//注意这里可能会有多个连续不写'a' 'b' 'c'的样例为了保持连贯性添一句。
}
}
return 0;
} by Acpang @ 2024-12-02 23:43:28
@Flora_liu 感谢