30 lines
533 B
C++
30 lines
533 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int n;
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const int N = 15;
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int b[N], idx;
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int main() {
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cin >> n;
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//特判
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if (n == 0) {
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printf("0");
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exit(0);
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}
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//如果是负数，输出负号
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if (n < 0) n = -n, printf("-");
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//数位分离
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while (n) {
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int a = n % 10;
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n /= 10;
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b[idx++] = a;
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}
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//下标
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int i = 0;
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//去掉前导0
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while (!b[i]) i++;
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//输出
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for (; i < idx; i++)cout << b[i];
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return 0;
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} |