题解

#include <iostream>
using namespace std;
int main(){
int a[105], b[105];
int n, m;
cin >> n;
for(int i=1; i<=n; ++i){
cin >> a[i];
}
for(int i=1; i<=n; ++i){
cin >> m;
b[i] = a[i]-m;
}
for(int i=1; i<=n; ++i){
int c=i, d=b[i];
for(int j=i; j<=n; ++j){
if(b[j]<d){
d=b[j];
c=j;
}
}
swap(b[c], b[i]);
}
for(int i=1; i<=n; i){
int num=1;
while(b[i]==b[i+1]){
num;
++i;
}
cout<<b[i]<<" "<<num<<endl;
}
return 0;
}