create dev channel

zeta/py/completed/11660.py

@@ -0,0 +1,16 @@
+import sys
+
+input = sys.stdin.readline
+
+if __name__ == "__main__":
+    N, M = map(int, input().split())
+    A = [list(map(int, input().split())) for _ in range(N)]
+
+    S = [[0 for _ in range(N + 1)] for _ in range(N + 1)]
+    for i in range(N):
+        for j in range(N):
+            S[i + 1][j + 1] = S[i][j + 1] + S[i + 1][j] - S[i][j] + A[i][j]
+
+    for _ in range(M):
+        x1, y1, x2, y2 = map(int, input().split())
+        print(S[x2][y2] - S[x2][y1 - 1] - S[x1 - 1][y2] + S[x1 - 1][y1 - 1])