문제
풀이
#include <iostream>
using namespace std;
bool solve(void) {
int a1, a0; cin >> a1 >> a0;
int c1, c2; cin >> c1 >> c2;
int n0; cin >> n0;
return c1 <= a1 && a1 <= c2 && c1*n0 <= a1*n0+a0 && a1*n0+a0 <= c2*n0;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << solve();
return 0;
}