Initial commit: C language learning code

翁凯C语言/2/coin.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int main()
+{
+	int x;
+	int n=0;
+	int one,two,five;
+
+	printf("请输入钱的数额：");
+	scanf("%d", &x);
+
+	for(one=0;one<=x*10;one++)
+	{
+		for(two=0;two<=x*5;two++)
+		{
+			for(five=0;five<=x*2;five++)
+			{
+				if(one*1 + two*2 + five*5 == x*10)                
+				{
+					n +=1;
+					printf("%d元的钱可以用%d个1角、%d个2角和%d个5角换\n", x, one, two, five);
+				}
+			}
+		}
+	}
+	printf("一共有%d的可能性", n);
+
+	return 0;
+}