99wwww @ 2024-03-08 13:04:29
#include<bits/stdc++.h>
using namespace std;
long long n,m,a[100005],b[100005],c[100005],mm,kg,sf,gw,sw,bw,qw,ab;
string s;
char ss[100005];
int main(){
cin>>n;
for(int i=1;i<=n+1;i++)
{
kg=0,m=0;
getline(cin,s);
//cout<<s<<" ";
for(int j=0;j<s.size();j++)
{
if(s[j]>='a' && s[j]<='c'){
ss[i]=s[j];
}
else if(s[j]>='0' && s[j]<='9'){
m=m*10+(s[j]-'0');
}
else{
kg++;
if(ss[i]=='a' || ss[i]=='b' || ss[i]=='c'){
if(kg==2){
a[i]=m;
m=0;
}
}
else{
a[i]=m;
m=0;
}
}
}
b[i]=m;
if(ss[i]=='a' || ss[i]=='b' || ss[i]=='c'){
c[i]=s.size()-1;
//cout<<c[i]<<" ";
}
else c[i]=s.size()+1;
}
for(int i=1;i<=n+1;i++)
{
if(i==1) continue;
if(ss[i]=='a') sf=1;
else if(ss[i]=='b') sf=2;
else if(ss[i]=='c') sf=3;
if(sf==1){
ab=a[i]+b[i];
cout<<a[i]<<"+"<<b[i]<<"="<<a[i]+b[i]<<endl;
if(a[i]+b[i]<0){
c[i]++;
ab=abs(ab);
}
qw=(ab)/1000;
bw=(ab)/100;
sw=(ab)/10;
gw=(ab)/1;
if(qw>0) c[i]+=4;
else if(bw>0) c[i]+=3;
else if(sw>0) c[i]+=2;
else if(gw>=0) c[i]+=1;
cout<<c[i]<<endl;
//cout<<qw<<" "<<bw<<" "<<sw<<" "<<gw<<endl;
}
else if(sf==2){
ab=a[i]-b[i];
cout<<a[i]<<"-"<<b[i]<<"="<<a[i]-b[i]<<endl;
if(a[i]-b[i]<0){
c[i]++;
ab=abs(ab);
}
qw=(ab)/1000;
bw=(ab)/100;
sw=(ab)/10;
gw=(ab)/1;
if(qw>0) c[i]+=4;
else if(bw>0) c[i]+=3;
else if(sw>0) c[i]+=2;
else if(gw>0) c[i]+=1;
cout<<c[i]<<endl;
}
else if(sf==3){
ab=a[i]*b[i];
cout<<a[i]<<"*"<<b[i]<<"="<<a[i]*b[i]<<endl;
if(a[i]*b[i]<0){
c[i]++;
ab=abs(ab);
}
qw=(ab)/1000;
bw=(ab)/100;
sw=(ab)/10;
gw=(ab)/1;
if(qw>0) c[i]+=4;
else if(bw>0) c[i]+=3;
else if(sw>0) c[i]+=2;
else if(gw>0) c[i]+=1;
cout<<c[i]<<endl;
}
}
return 0;
}by james2333 @ 2024-03-14 13:43:58
#include<bits/stdc++.h>
using namespace std;
long long n,x,y,s1,s2,s3,k1,k2,s4,s5,k3,s6,s7;
string s;
int main(){
cin>>n;
getline(cin,s);
for(int i=1;i<=n;i++)
{
getline(cin,s);
if(s[0]=='a')s1=1;
else if(s[0]=='b')s1=2;
else if(s[0]=='c')s1=3;
for(int i=0;i<s.size();i++)
{
if(s[i]>='0'&&s[i]<='9')
{
s2=s2*10+(s[i]-'0');
}
else if(s[i]==' ')
{
x=s2;
s4=x;
s2=0;
}
}
y=s2;
s5=y;
s2=0;
if(x==0)k1++;
for(;x>0;x=x/10)k1++;
if(y==0)k2++;
for(;y>0;y=y/10)k2++;
if(s1==1)
{
s3=s4+s5;
s6=s3;
cout<<s4<<"+"<<s5<<"="<<s4+s5;
s7+=2;
}
if(s1==2)
{
s3=s4-s5;
if(s3<0)
{
s3=abs(s3);
s7+=1;
}
s6=s3;
cout<<s4<<"-"<<s5<<"="<<s4-s5;
s7+=2;
}
if(s1==3)
{
s3=s4*s5;
s6=s3;
cout<<s4<<"*"<<s5<<"="<<s4*s5;
s7+=2;
}
if(s3==0)k3++;
for(;s6>0;s6=s6/10)k3++;
cout<<endl<<s7+k1+k2+k3;
cout<<endl;
k1=k2=k3=s2=s3=s4=s5=s6=s7=0;
}
return 0;
}可以试试这样写
by mlemtion @ 2024-03-14 13:46:29
@99wwww 行数更少
#include <bits/stdc++.h>
using namespace std;
int n,a,b,c,o,l;
string s;
int main(){
cin>>n;getline(cin,s);
while(n--){
getline(cin,s);
stringstream ss<<s;
if('a'<=s[0]&&s[0]<='z'){
switch(s[0]){
case 'a':o=1;break;
case 'b':o=2;break;
case 'c':o=3;break;
}char t;ss>>t;
}
ss>>a;ss>>b;
if(o==1){
c=a+b;string p;
p=to_string(a)+'+'+to_string(b)+'='+to_string(c);
cout<<p<<'\n'<<p.size()<<'\n';
}else if(o==2){
c=a-b;string p;
p=to_string(a)+'-'+to_string(b)+'='+to_string(c);
cout<<p<<'\n'<<p.size()<<'\n';
}else if(o==3){
c=a*b;string p;
p=to_string(a)+'*'+to_string(b)+'='+to_string(c);
cout<<p<<'\n'<<p.size()<<'\n';
}
}
return 0;
}by 99wwww @ 2024-03-15 13:01:16
@mlemtion @james2333 屑屑
by cpp_xhq @ 2024-03-16 09:25:08
不要用
getline(cin,s);
可以用先输入，如果不是a~c
再转成intby 99wwww @ 2024-03-18 12:52:23
@cpp_xhq 豪德