数字的读入优化:
/* I/O
* Au: GG
*/
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <iostream>
#include <algorithm>
#include <cctype>
#include <stack>
using namespace std;
int read() {
int sum = 0; char c = getchar();
while (!isdigit(c)) c = getchar();
while (isdigit(c))
sum = sum * 10 + c - '0', c = getchar();
return sum;
}
void write(int num) {
if (!num) putchar('0');
else {
stack<int> st;
while (num > 0)
st.push((char) (num % 10 + '0')),
num /= 10;
while (!st.empty())
putchar((char) (st.top())),
st.pop();
}
}
void writeln(int num) {write(num); putchar('
');}
int main() {
for (int i = 1; i <= 5; i++) {
int j = read();
writeln(j);
}
return 0;
}