- #include <stdio.h>
- int main() {
- int x=1234;
- double f=123.456;
- double m=123.456;
- char ch='a';
- char a[]="Hello, world!";
- int y=3, z=4;
- printf("%d %d\n", y, z);
- printf("y=%d, z=%d\n", y,z);
- printf("%8d,%2d\n", x,x);
- printf("%f, %8f, %8.1f, %0.2f, %.2e\n",f,f,f,f,f); // 小数点后位数限制要四舍五入, 对于浮点型并不能做到每个数字都精准表达, 只能取最接近的数
- printf("%lf\n",m);
- printf("%3c\n", ch);
- printf("%s\n%15s\n%10.5s\n%2.5s\n%.3s\n",a,a,a,a,a);
- return 0;
}
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