hjsxhst2022 @ 2022-10-05 18:03:00
#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
char a;
for(int i=1;i<=n;i++){
cin>>a;
int s1,s2,s3,s4=1;
cin>>s1>>s2;
int s1ws,s2ws,dsws,sc,sz;
sz=int(a)-'0';
s3=s1;
for(s1ws=1;s3!=0;s1ws++)
s3/=10;
s3=s2;
for(s2ws=1;s3!=0;s2ws++)
s3/=10;
if(a=='a'){
sc=1;
s3=s1+s2;
for(dsws=1;s3!=0;dsws++)
s3/=10;
s3=s1;
for(;s3!=0;dsws++)
s3/=10;
s3=s2;
for(;s3!=0;dsws++)
s3/=10;
if(s1<0)
dsws++;
if(s2<0)
dsws++;
dsws++;
if(s1+s2<0)
dsws++;
cout<<s1<<'+'<<s2<<'='<<s1+s2<<endl;
}else if(a=='b'){
sc=2;
s3=s1-s2;
for(dsws=1;s3!=0;dsws++)
s3/=10;
s3=s1;
for(;s3!=0;dsws++)
s3/=10;
s3=s2;
for(;s3!=0;dsws++)
s3/=10;
if(s1<0)
dsws++;
if(s2<0)
dsws++;
dsws++;
if(s1-s2<0)
dsws++;
cout<<s1<<'-'<<s2<<'='<<s1-s2<<endl;
}else if(a=='c'){
sc=3;
s3=s1*s2;
for(dsws=1;s3!=0;dsws++)
s3/=10;
s3=s1;
for(;s3!=0;dsws++)
s3/=10;
s3=s2;
for(;s3!=0;dsws++)
s3/=10;
dsws++;
if(s1<0)
dsws++;
if(s2<0)
dsws++;
if(s1*s2<0)
dsws++;
cout<<s1<<'*'<<s2<<'='<<s1*s2<<endl;
}else if(sc==1){
s3=sz;
for(dsws=1;s3!=0;dsws++)
s3/=10;
s3=s1;
for(;s3!=0;dsws++){
s3/=10;
s4*=10;
}
if(s2!=0)
s3=(sz*s4+s1)+s2;
else
s3=sz+s1;
for(;s3!=0;dsws++)
s3/=10;
dsws++;
if(sz<0)
dsws++;
if(s1<0)
dsws++;
if(sz+s1<0)
dsws++;
if(s2!=0){
s3=s2;
for(;s3!=0;dsws++)
s3/=10;
cout<<sz<<s1<<'+'<<s2<<'='<<(sz*s4+s1)+s2<<endl;
}else
cout<<sz<<'+'<<s1<<'='<<sz+s1<<endl;
}else if(sc==2){
s3=sz;
for(dsws=1;s3!=0;dsws++)
s3/=10;
s3=s1;
for(;s3!=0;dsws++){
s3/=10;
s4*=10;
}
if(s2!=0)
s3=(sz*s4+s1)-s2;
else
s3=sz-s1;
for(;s3!=0;dsws++)
s3/=10;
if(sz<0)
dsws++;
if(s1<0)
dsws++;
if(sz-s1<0)
dsws++;
if(s2!=0){
s3=s2;
for(;s3!=0;dsws++)
s3/=10;
cout<<sz<<s1<<'-'<<s2<<'='<<(sz*s4+s1)-s2<<endl;
}else
cout<<sz<<'-'<<s1<<'='<<sz-s1<<endl;
}
else{
s3=sz;
for(dsws=1;s3!=0;dsws++)
s3/=10;
s3=s1;
for(;s3!=0;dsws++){
s3/=10;
s4*=10;
}
if(s2!=0)
s3=(sz*s4+s1)*s2;
else
s3=sz*s1;
for(;s3!=0;dsws++)
s3/=10;
dsws++;
if(sz*s1<0)
dsws++;
if(sz<0)
dsws++;
if(s1<0)
dsws++;
if(s2!=0){
s3=s2;
for(;s3!=0;dsws++)
s3/=10;
cout<<sz<<s1<<'*'<<s2<<'='<<(sz*s4+s1)*s2<<endl;
}else
cout<<sz<<'*'<<s1<<'='<<sz*s1<<endl;
}
cout<<dsws<<endl;
}
return 0;
}
做了2个小时,才60分,大佬求调