Merge pull request #67 from HYU-PS-STUDY/leGit-y

[week-10] 11401, 16967

week10/leGit-y/11401.py

@@ -0,0 +1,13 @@
+N,K=map(int, input().split())
+MOD = 1000000007
+top,bottom = 1, 1
+
+for i in range(K):
+    top *= N - i
+    top %= MOD
+for i in range(1, K + 1):
+    bottom *= i
+    bottom %= MOD
+
+bottom = pow(bottom, -1, MOD)
+print((top * bottom) % MOD)

week10/leGit-y/16967.py

@@ -0,0 +1,22 @@
+H, W, X, Y = map(int, input().split())
+
+B = [list(map(int, input().split())) for _ in range(H+X)]
+A = [[0]*(W+Y) for _ in range(H+X)]
+
+for i in range(X):
+    for j in range(W):
+        A[i][j] = B[i][j]
+
+for i in range(X, H+X):
+    for j in range(Y):
+        A[i][j] = B[i][j]
+    for j in range(Y, W+Y):
+        A[i][j] = B[i][j] - A[i-X][j-Y]
+
+for i in range(H):
+    for j in range(W):
+        print(A[i][j], end = ' ')
+    print()
+
+
+