c語言中for循環計算多個整數的和及平均值


 

1、

#include <stdio.h>

int main(void) { int num, counts, temp; int sum =0; puts("please input an num."); printf("num = "); scanf("%d", &num); for (counts = 1; counts <= num; counts++ ) { printf("NO.%d = ", counts); scanf("%d", &temp); sum += temp; } printf("sum = %d\n", sum); printf("mean = %f\n", (double)sum / num); return 0; }

#include <stdio.h>

int main(void) { int num, temp, counts, sum = 0; puts("please input an integer."); printf("num = "); scanf("%d", &num); for (counts = 0; counts < num; counts++) { printf("NO.%d = ", counts + 1); scanf("%d", &temp); sum += temp; } printf("sum = %d\n", sum); printf("mean = %f\n", (double)sum / num); return 0; } 

 


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