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1、5 2 1 元面额组合的问题 include main int a b c t for a 0 a 2 a for b 0 b 5 b c 10 5 a 2 b t 5 a 2 b c if t 10 printf d 张 5 元 d 张 2 元 d 张一元 n a b c 简单穷举法啊 100 到 200 间被 2 和 3 整除的数 include main int i 100 for i 200 i if i 2 0 putchar n Do while 例子 include main int s 0 i 1 do s s i i while i 100 printf 1 2 3 100
2、d n s For例 子 include main int s 0 i for i 1 i 100 i s s i printf 1 2 3 100 d n s 百钱买百鸡 include main int a b c s for a 0 a 33 a for b 0 b 100 b c 100 a b s 3 a b c 3 if s 100 printf d d d n a b c 打印棱形 include main int i j k for i 1 i 4 i for j 1 j 4 i j printf for j 1 j 2 i 1 j printf printf n for i
3、1 i 3 i for j 1 j i j printf for j 1 j 2 4 i 1 j printf printf n 打印豪华版圣诞树 include main int i j for i 1 i 4 i for j 1 j 10 i j printf for j 1 j 2 i 1 j printf printf n for i 2 i 6 i for j 1 j 10 i j printf for j 1 j 2 i 1 j printf printf n for i 2 i 8 i for j 1 j 10 i j printf for j 1 j 2 i 1 j print
4、f printf n for i 2 i 10 i for j 1 j 10 i j printf for j 1 j 2 i 1 j printf printf n for i 1 i 3 i for j 1 j 8 j printf for j 1 j 3 j printf printf n printf 圣诞快乐 O O n n 求 1 到 n 的素数 include include main int n m i j flag printf 请输入第 n 个数 n scanf d for i 2 i n i flag 1 m sqrt i for j 2 j m j if i j 0 f
5、lag 0 break if flag 1 printf 7d i printf n 求素数 include include main long n int x i y printf 请输入一个数 n scanf ld for i 1 i n i x sqrt i for y 2 y x y if i y 0 break printf 7ld i 求整数 X 是不是素数 include include main int x i y printf 请输入一个数 n scanf d y sqrt x for i 2 iy printf d 是素数 n x printf d 不是素数 n x 求最大公约数 include main int a b i 1 max min printf 请输入两个数 scanf d d min a if a b min b for imax max i if a i 0 输入成绩 倒序输出 include main int a 50 i for i 0 i 0 i printf 第 d 个同学的成绩为 d i 1 a i putchar n 鸡兔同笼的问题 include main int a b s for a 0 a 18 a for b 0 b 9 b if a b 16 d 兔子的数量为 d n a b
