解题思路:
注意事项:
参考代码:
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNext()){
int n = scanner.nextInt();
int []arr = new int[n];
int sum = 0;
for (int i = 0; i < n; i++){
arr[i] = scanner.nextInt();
if ((arr[i]%10) - (arr[i]/1000) - (arr[i]/100%10) - (arr[i]/10%10) > 0){
sum ++;
}
}
System.out.println(sum);
}
}
}
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