摘要: int main(){ int i, j, result; for (i = 1; i < 10; i++) { for (j = 1; j <= i; j++) { result = i * j; printf("%d*%d=%-2d ", i, j, result); //-2表示输出两个字符, 阅读全文
posted @ 2022-12-08 20:35 小蠕虫 阅读(57) 评论(0) 推荐(0)
摘要: int main(){ int i = 0; int arr[] = { 1,2,3,4,5,6,7,8,9,0 }; int max = arr[0];//max必须从数组里选一个避免给max赋值0导致0为最大值的可能; int sz = sizeof(arr) / sizeof(arr[0]); 阅读全文
posted @ 2022-12-08 20:04 小蠕虫 阅读(18) 评论(0) 推荐(0)
摘要: int main(){ int i = 0; int flag = 1; double sum=0.0;//计算结果为小数,赋值应为小数; double sum1 = 0.0; double sum2 = 0.0; for (i = 1; i <= 100; i++) { /*sum += flag 阅读全文
posted @ 2022-12-08 15:21 小蠕虫 阅读(29) 评论(0) 推荐(0)
摘要: int main(){ int a = 0,count = 0; for (a = 1; a <= 100; a++) { if (a % 10 == 9)//余9的数 { count++; } if (a / 10 == 9)//商9的数 { count++; } } printf("\ncoun 阅读全文
posted @ 2022-12-08 14:41 小蠕虫 阅读(69) 评论(0) 推荐(0)