题解 | 小红的优惠券
小红的优惠券
https://www.nowcoder.com/practice/e991a011f96444f3a6ad57943d39f4ad
#include <iostream>
using namespace std;
int main() {
int n,m;
cin>>n>>m;
int min_cost=n;
for (int i=0;i<n;i++){
int a,b;
cin>>a>>b;
if (n>=a){
int current_cost=n-b;
if (current_cost<min_cost){
min_cost=current_cost;
}
}
}
cout<<min_cost<<"\n";
return 0;
}