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[code hoof set novice village question 600] align left and right when outputting

2022-07-19 13:38:00 【Sandm *】

Topic link ：

Their thinking ：

Here we use %nd For example ,
The so-called left alignment , namely %-nd,
That is, multiple lines of different The numbers are aligned to the left at the same time , The number alignment between lines is realized by spaces
Right alignment , namely %nd
That is, multiple lines of different numbers are aligned based on the rightmost

Be careful ：

Among them %nd And %m.nf
The width and precision in must be constant , It can't be a variable

Reference code ：

#include<bits/stdc++.h> 

using namespace std;

int main( )
{
    double a = 3.141593,b = 22.345600;

    printf("%-14lf %14lf\n",a,a);// Don't forget it's  %lf  No  %d
    printf("%-14lf %14lf",b,b);

    return 0;
}

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