You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
664 B
35 lines
664 B
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
const int N = 110;
|
|
int a[N], idx;
|
|
// 1234000
|
|
int main() {
|
|
int n;
|
|
cin >> n;
|
|
|
|
if (n == 0) {
|
|
cout << 0 << endl;
|
|
exit(0);
|
|
}
|
|
if (n < 0) {
|
|
cout << "-";
|
|
n = -n;
|
|
}
|
|
|
|
while (n) {
|
|
a[++idx] = n % 10; //由后到前 4 3 2 1 --> a[1]=4 a[2]=3
|
|
n /= 10;
|
|
}
|
|
|
|
bool flag = false; //是不是已经遇到过一个非零数字
|
|
for (int i = 1; i <= idx; i++) {
|
|
if (a[i] != 0) flag = true;
|
|
if (a[i] == 0) {
|
|
if (flag) cout << 0;
|
|
} else
|
|
cout << a[i];
|
|
}
|
|
|
|
return 0;
|
|
} |