[백준] 15953번 : 상금 헌터 - C++

https://www.acmicpc.net/problem/15953

#include <iostream>

using namespace std;

int main() {
    int n,a,b;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a>>b;
        int na=0;
        int nb=0;
            
        if(a==0) na=0;
        else if(a==1) na=5000000;
        else if(a<=3) na=3000000;
        else if(a<=6) na=2000000;
        else if(a<=10) na=500000;
        else if(a<=15) na=300000;
        else if(a<=21) na=100000;
            
        if(b==0) nb=0;
        else if(b==1) nb=5120000;
        else if(b<=3) nb=2560000;
        else if(b<=7) nb=1280000;
        else if(b<=15) nb=640000;
        else if(b<=31) nb=320000;
            
        cout<<na+nb<<"\n";
    }
}