initial commit

1 files changed, 31 insertions, 0 deletions

diff --git a/euler29.c b/euler29.c
new file mode 100644
index 0000000..a9e5fc5
--- /dev/null
+++ b/euler29.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#define LIMIT 4
+
+int d[LIMIT+1][LIMIT+1]={};
+int count=(LIMIT-1)*(LIMIT-1);
+
+int main()
+{
+	int a,b,c;
+	for (a=2;a<=LIMIT;a++){
+		int bb=a;
+		for (b=2;b<=LIMIT;b++){
+			bb*=a;
+			if (bb>LIMIT) break;
+			for (c=2;c<=LIMIT/b;c++){
+				d[bb][c]=1; // (a^b)^c = a^(bc)
+			}
+		}
+	}
+	for (a=2;a<=LIMIT;a++){
+		for (b=2;b<=LIMIT;b++){
+			if (d[a][b]){
+				printf("%d %d\n",a,b);
+				--count;
+			}
+		}
+	}
+	printf("%d\n",count);
+	return 0;
+}
+