C 练习实例81
C 语言教程
· 2019-02-22 14:12:49
题目：809*??=800*??+9*?? 其中??代表的两位数, 809*??为四位数，8*??的结果为两位数，9*??的结果为3位数。求??代表的两位数，及809*??后的结果。
程序分析：无。
实例
// Created by www.codercto.com on 15/11/9.
// Copyright © 2015年 码农教程. All rights reserved.
#include <stdio.h>
void output(long int b, long int i){
printf("\n%ld = 800 * %ld + 9 * %ld\n", b,i,i);
}
int main(){
void output(long int b, long int i);
long int a,b,i;
a = 809;
for(i = 10; i < 100; i++){
b = i * a;
if (b >= 1000 && b <= 10000 && 8 * i < 100 && 9 * i >= 100){
output(b, i);
}
}
return 0;
}
以上实例运行输出结果为：
9708 = 800 * 12 + 9 * 12
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