➤ Problem Link : 1256A. Payment Without Change
✅ C++ Solution :
#include<bits/stdc++.h> using namespace std; #define ll long long int int main() { int q; cin>>q; while(q--) { double a,b,n,s; cin>>a>>b>>n>>s; ll mx=min(a,(ll)s/n); ll mn=(ceil)((s-b)/n); // cout<<mn<<" "<<mx<<endl; if(mn<=mx) cout<<"YES\n"; else cout<<"NO\n"; } }
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