#include "test_util.h"
#include "util.h"
+using namespace std;
+
class Input;
namespace {
for (unsigned y = 0; y < height / 2; ++y) {
unsigned flip_y = height - y - 1;
for (unsigned x = 0; x < width; ++x) {
- std::swap(data[y * width + x], data[flip_y * width + x]);
+ swap(data[y * width + x], data[flip_y * width + x]);
}
}
}