PURE_LOVE @ 2023-11-29 19:27:42
#include<stdio.h>
#include<string.h>
#include<malloc.h>
int main()
{
char x[11];
char* y = (char*)calloc(11, sizeof(char));
scanf("%s", x);
int lx = strlen(x);
int i = 0;
if (x[lx - 1] == '0')
{
for (i; i < lx - 1; i++)
{
y[i] = x[i];
}
}
else
{
for (i; i < lx; i++)
{
y[i] = x[i];
}
}
if (x[0] == '-')
{
printf("-");
}
for (i = 11; i >= 0; i--)
{
if (y[i] != '0')
{
for (i; i >= 0; i--)
{
if (y[i] != '-')
{printf("%c", y[i]);}
}
}
}
free(y);
return 0;
}
```cpp为什么这都AC不了，来大佬解答by heyx0201 @ 2023-11-29 19:35:43
@PURE_LOVE 你干脆写 C 语言吧这个没有用到一丁点 C++ 的东西
by heyx0201 @ 2023-11-29 19:36:10
除了头文件
by PURE_LOVE @ 2023-11-29 22:45:09
@heyx0201 我是在写c语言啊，c++还没学
by heyx0201 @ 2023-11-30 12:50:55
@PURE_LOVE 《》
by PURE_LOVE @ 2023-11-30 12:59:34
@heyx0201 哦哦哦，刚发帖，要```c这样写是吧
by heyx0201 @ 2023-11-30 13:10:09
@PURE_LOVE 是
by PURE_LOVE @ 2023-11-30 13:45:35
@heyx0201 那能麻烦你帮我看看吗
by Kelly_1 @ 2023-12-22 21:05:19
我也是刚学，动态内存那学的不咋地，不过这道题不用这么复杂吧。我把代码贴在下面了。
by Kelly_1 @ 2023-12-22 21:07:22
#include<stdio.h>
#include<math.h>
int main()
{
int n = 0;
scanf("%d", &n);
int i = 0, a[10] = { 0 }, b = n;
if (n < 0)
n = -n;
while (n > 0)
{
a[i] = n % 10;
n = n / 10;
i++;
}
n = b;
int num = 0, c = i - 1;
for (int j = 0;j < i;j++)
{
num = num + a[j] * pow(10, c);
c--;
}
if (n < 0)
num = -num;
printf("%d\n", num);
return 0;
}