brute force method for Euler# 09

project_euler/Problem 09/sol1.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main(void)
+{
+    for (int a = 1; a < 300; a++)
+        for (int b = a+1; b < 400; b++)
+            for (int c = b+1; c < 500; c++)
+            {
+                if (a * a + b * b == c * c)
+                    if (a + b + c == 1000)
+                    {
+                        printf("%d x %d x %d = %ld\n", a, b, c, (long int) a*b*c);
+                        return 0;
+                    }
+            }
+
+    return 0;
+}