07/12/01 18:09:32
>>615
#include <stdio.h>
double average(double a, double b, double c){
return (a + b + c)/3.0;
}
int main(void){
double input[5];
int i;
for(i=0; i<5; i++){
printf("%dつ目->", i+1);
scanf("%lf", &input[i]);
}
for(i=0; i<3; i++)printf("%d-%d:%f\n", i+1, i+3, average(input[i],input[i+1],input[i+2]));
return 0;
}