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-rw-r--r--mat/euler/6/prog.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/mat/euler/6/prog.c b/mat/euler/6/prog.c
new file mode 100644
index 0000000..5a17cea
--- /dev/null
+++ b/mat/euler/6/prog.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+int main (int argc, char ** argv) {
+ if (argc != 1+1) {
+ fprintf(stderr, "uporaba: %s <koliko>\nprimer: %s 100\n", argv[0], argv[0]);
+ return 1;
+ }
+ unsigned long int i = 1;
+ unsigned long int m = atoi(argv[1]);
+ unsigned long long int s = 0;
+ unsigned long long int z = 0;
+ for (i = 1; i <= m; i++) {
+ s = s + pow(i, 2);
+ z = z + i;
+ }
+ z = pow(z, 2);
+ fprintf(stdout, "konec. %lld - %lld = %lld\n", z, s, z-s);
+ return 0;
+}