C语言--for循环和if嵌套

# define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
//求1-100中奇数之和以及奇数个数、平均值
int main()
{
	int i;
	int sum = 0;
	int cnt = 0;
	float avg;
	for (i = 1; i <= 100; i++)
	{
		if (i % 2 == 1)
		{
			sum += i;
			++cnt;
		}
	}
	avg = 1.0 * sum / cnt;  //1.0默认是double类型，
	printf("sum=%d\n", sum);
	printf("cnt=%d\n", cnt);
	printf("avg=%f\n", avg);
	return 0;
}