https://www.luogu.com.cn/problem/P1867
#include<bits/stdc++.h>
using namespace std;
int main(){
int n,a[25],b[25],lv=0,ex=0,hp=10;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i]>>b[i];
}
for(int i=1;i<=n;i++){
hp-=a[i];
if(hp>10){
hp=10;
}
if(hp<=0){
break;
}
ex+=b[i];
}
for(int i=1;;i*=2){
if(ex>=i){
ex-=i;
lv++;
}
else{
break;
}
}
cout<<lv<<" "<<ex<<endl;
return 0;
}