1.******************************
#include<stdio.h>
#include<stdlib.h>
int main(){
int i = 0, j = 0, k = 0, d = 0;
for (i = 1; i <8; i++){
for (j = 1; j <= 2 * i - 1; j++){
printf("");
}
printf("\n");
}
for (k = 1; k <8; k++){
for (d = 11; d>=2 * k - 1; d–){
printf("");
}
printf("\n");
}
system(“pause”);
return 0;
}
2.水仙花数
#include<stdio.h>
#include<stdlib.h>
int main(){
int a, b, c, d, e;
for (a = 100; a <= 1000; a++){
b = a / 100;
c = a % 10;
d = (a - 100 * b) / 10;
e = ddd + bbb + ccc;
if (a == e){
printf("%d\n", a);
}
}
system(“pause”);
return 0;
}
3.a+aa+aaa+aaaa+aaaaa
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
int main(){
int sn = 0, sum = 0;
int n, count = 1;
printf(“输入一个数:”);
scanf("%d", &n);
while (count<=5){
sn = sn + n;
sum = sum + sn;
n = n * 10;
++count;
}
printf("%d\n", sum);
system(“pause”);
return 0;
}
虽然写出来了,但还是有问题,问了舍友,终于把正确的代码写出来了,运行也正确,没有辜负自己,加油,每天勤加练习,速度还会提升,也要提升效率。
每天都给自己一个要完成的目标,不能让自己先闲下来,让自己的大脑时刻在运转,做好自己,挑战自我,为自己而战。