题目
原题链接：A. Payment Without Change
题意
问a个n和b个1可否组成s
代码
#include<stdio.h>
int main(){
int t,a,b,n,s;
scanf("%d",&t);
while(t--){
scanf("%d %d %d %d",&a,&b,&n,&s);
int tmp = s/n;
tmp = tmp >= a ? a : tmp;
if( (s - (tmp * n)) <= b ){
printf("YES\n");
}else{
printf("NO\n");
}
}
return 0;
}
