#include <stdio.h>
+#include <stdlib.h>
int arr[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int sum(int from, int to) {
- int i, res = 0;
+ int i, res = 0, res2 = 666;
int len = to - from;
for(i = 0; i < len; ++i) {
- res += arr[from + i];
+ res += arr[from + i];
+ res2 -= arr[i];
}
- return res;
+ return res ^ res2;
}
int main(int argc, char **argv) {
if(argc > 1)
to = atoi(argv[1]);
- printf("Sum: %d\n", sum(from, to));
+ printf("Res: %d\n", sum(from, to));
return 0;
}