问题标题: 简单计算器（不喜勿喷）

#include<bits/stdc++.h>
#include<windows.h>
#include<conio.h>
using namespace std;
double a,c;
char b;
int jia(){
	system("color 01");
    cout<<"="<<a+c;
}
int jian(){
	system("color 02");
    cout<<"="<<a-c;
}
int cheng(){
	system("color 03");
    cout<<"="<<a*c;
}
int chu(){
	system("color 04");
	cout<<"=";
    printf("%.2f",a/c);
}
int cifang(){
	system("color 05");
    cout<<"="<<pow(a,c);
}
int main(){
	while(1){
	system("color 07");
	cout<<"计算器：\n";
	cin>>a>>b>>c;
	if(b=='+') jia();
	if(b=='-') jian();
	if(b=='*') cheng();
	if(b=='/') chu();
	if(b=='^') cifang();
	Sleep(1000);
	system("cls");
	system("color 06");
	cout<<"\t\t\t是否继续？按Y继续，按N退出";
	char c=getch();
	if(c=='N' || c=='n') break;	
	if(c=='Y' ||c=='y') system("cls");
	}
	return 0;
}

李奕歌在2021-02-22 17:21:23追加了内容

#include<bits/stdc++.h>
#include<windows.h>
#include<conio.h>
using namespace std;
double a,c;
char b;
int jia(){
	system("color 01");
    cout<<"="<<a+c;
}
int jian(){
	system("color 02");
    cout<<"="<<a-c;
}
int cheng(){
	system("color 03");
    cout<<"="<<a*c;
}
int chu(){
	if(c==0) cout<<"错误！";
	else{
	system("color 04");
	cout<<"=";
    printf("%.2f",a/c);	
	}
}
int cifang(){
	if(a!=0 || c!=0){
	system("color 05");
    cout<<"="<<pow(a,c);	
	}
	else cout<<"错误！"; 
}
int main(){
	while(true){
	system("color 07");
	cout<<"计算器：\n";
	cin>>a>>b>>c;
	if(b=='+') jia();
	if(b=='-') jian();
	if(b=='*') cheng();
	if(b=='/') chu();
	if(b=='^') cifang();
	Sleep(1000);
	system("cls");
	system("color 06");
	cout<<"\t\t\t是否继续？按Y继续，按N退出";
	char c=getch();
	if(c=='N' || c=='n') break;	
	if(c=='Y' ||c=='y') system("cls");
	}
	return 0;
}