ccf 201612-2 工资计算

#include<iostream>
#include<vector>
#include<queue>
#include<algorithm>
using namespace std;


int main(){
int  T,A,S=0,k=1;
cin>>T;
int i=T;
while(i<=T/(1-0.45)){
if(i<=3500){
cout<<i;
break;
}


else {
A=i-3500;
if(A<=1500){
S+=A*0.03;
}
else if(A<=4500)
S+=1500*0.03+(A-1500)*0.1;
else if(A<=9000)
S+=1500*0.03+3000*0.1+(A-4500)*0.2;
else if(A<=35000)
S+= 1500*0.03+3000*0.1+4500*0.2+(A-9000)*0.25;
else if(A<=55000)
S+= 1500*0.03+3000*0.1+4500*0.2+(35000-9000)*0.25+(A-35000)*0.3;
else if(A<=80000)
S+= 1500*0.03+3000*0.1+4500*0.2+(35000-9000)*0.25+(55000-35000)*0.3+(A-55000)*0.35;
else if(A>80000)
S+= 1500*0.03+3000*0.1+4500*0.2+(35000-9000)*0.25+(55000-35000)*0.3+(80000-55000)*0.35+(A-80000)*0.45;

if(S+T==i){
cout<<i;

break;
}
S=0;
if(i%100!=0)
i=(i/100+1)*100;
else
i+=100;


}
  




}
return 0;
}