test.c

来自「You will write a program for calculating」· C语言 代码 · 共 23 行

#include<stdio.h>
#include<stdlib.h>

int main(){
double h[3] = {1.0 ,2.0, 3.0};
double x[3]={0}; 
double y[3]={0};
int i;
double sum = 0;
for (i=0; i<3; i++)
{
printf("input a number:\n");
scanf("%f", &x[i]);
}
for (int k=0;k<3;k++)
{
sum = sum + h[k]*x[2-k];
y[k]=sum;
}
printf("1st:%5.2f 2nd:%5.2f 3rd:%5.2f", y[0],y[1],y[2]);

}