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python/C++课程/第六课scanf语句与printf语句/p50_1.cpp
HuangHai 1f397eca87 'commit'
2025-08-30 18:35:01 +08:00

16 lines
279 B
C++

#include<cstdio>
using namespace std;
int main()
{
int a=202;
double b=2323.34345;
//printf("a=%d\n",a);
//printf("2*a=%d\n",2*a);
//printf("a=%2d\n",a);
printf("%3lf\n",b);
printf("%20.2lf\n",b);
printf("%-20.2lf\n",b);
printf("%.21f\n",b);
return 0;
}