문제
풀이
#include <iostream>
#include <iomanip>
using namespace std;
void solve(void) {
double pre, cur;
cin >> pre;
cin >> cur;
while (cur != 999) {
cout << fixed << setprecision(2) << cur - pre << "\n";
pre = cur;
cin >> cur;
}
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}