27 lines
539 B
C++
27 lines
539 B
C++
#include <stdio.h>
|
|
|
|
int main() {
|
|
int n = 0;
|
|
int save[32] = {0};
|
|
int cur_num = 0;
|
|
int digit_num = 0;
|
|
int result = 0;
|
|
scanf("%d", &n);
|
|
for (int count = 0; count < 3 * n - 1; count++) {
|
|
scanf("%d", &cur_num);
|
|
for (int i = 0; i < 32; i++) {
|
|
if (cur_num >> i & 1) {
|
|
save[i] = (save[i] + 1) % 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (save[i]) {
|
|
result |= 1 << i;
|
|
}
|
|
}
|
|
|
|
printf("%d", result);
|
|
return 0;
|
|
} |