解题思路:
a+b*7+c*49=a*81+b*9+c
注意事项:
题目中的输入格式实际是输出格式
参考代码:
public class Main {
public static void main(String[] args) {
int ge = 0,shi = 0,bai = 0,n = 0;
for (int a = 0; a <= 7 ; a++){
for (int b = 0; b <= 7 ; b++){
for (int c = 0; c <= 7 ; c++){
for (int d = 0 ; d <= 9 ; d++){
for (int e = 0 ; e <= 9 ; e++){
for (int f = 0 ; f <= 9 ; f++){
if (a + b * 7 + c * 49 == d + e * 9 + f * 81 && a == f && b == e && c == d){
n = a + b * 7 + c * 49;
ge = a;
shi = b;
bai = c;
}
}
}
}
}
}
}
System.out.printf("%d\n",n);
System.out.printf("%d%d%d\n",bai,shi,ge);
System.out.printf("%d%d%d\n",ge,shi,bai);
}
}
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