C primer plus 第六版 第六章 第十題 程式設計練習答案

Github地址： φ(>ω<*) 這裡這裡。

#include<stdio.h>
int main(void)
{
	int lower = 0;  //  Save input value.
	int uper = 0;   //	Save input value.
	int result = 0;  //  Save count result.
	char n = '\n';

	printf("Please input lower and uper integers limit (Enter 'q' to quit ) :");

	while(scanf("%d %d", &lower, &uper) == 2)
	{
		putchar(n);

		while(lower <= uper)
		{
			result += lower * lower;
			lower++;
		}

		printf("The result is %d..\n", result );
		printf("Please input lower and uper integers limit (Enter 'q' to quit ) :");
		result = 0;
	}	

	return 0;
}