Add acwing 1219.

1 files changed, 26 insertions, 0 deletions

diff --git a/acwing/1219.cpp b/acwing/1219.cpp
new file mode 100644
index 0000000..9538e94
--- /dev/null
+++ b/acwing/1219.cpp
@@ -0,0 +1,26 @@
+#include <cmath>

+#include <iostream>

+

+int w, m, n;

+

+int row(int x) { return (x - 1) / w; }

+

+int col(int x, int r) {

+  int result = (x - 1) % w;

+  if (r % 2) {

+    result = w - 1 - result;

+  }

+  return result;

+}

+

+int main() {

+  std::cin >> w >> m >> n;

+  int m_r = row(m);

+  int m_c = col(m, m_r);

+  int n_r = row(n);

+  int n_c = col(n, n_r);

+

+  std::cout << std::abs(m_r - n_r) + std::abs(m_c - n_c);

+

+  return 0;

+}