简单的贪心算法
AC代码：
import java.util.Scanner;
/**
* @author CC11001100
*/
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while(sc.hasNextInt()){
int n = sc.nextInt();
int ans = 0;
while(n-->0){
ans+=resolve(sc.nextInt());
}
System.out.println(ans);
}
}
private static final int[] moneys = new int[]{100, 50, 20, 10, 5, 2};
private static int resolve(int n){
int res = 0;
for(int i=0; i<moneys.length; i++){
if(n>=moneys[i]){
res+=n/moneys[i];
n%=moneys[i];
}
}
return res + n;
}
}
.