C语言 四舍五入(学习转型练习)
#define _CRT_SECURE_NO_WARNINGS #include<stdio.h> void main() { double moeny = 0; scanf("%lf",&moeny); printf("多少%f元", moeny); double rufest = (int)(moeny * 10 + 0.5) / 10.0; printf("\nrufest=%f", rufest); if (moeny<rufest) { printf("%f元四舍五入",moeny-rufest); } system("pause"); }
还是微软牛逼:C#两句话搞定四舍六入:五取偶
double i = Math.Round(1.25, 1); Console.WriteLine(i);

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