import sys n, m, q = map(int, input().split()) arr = [] store = [[0] * (m + 2) for _ in range(n + 3)] def chafen(x1, y1, x2, y2, k): store[x1][y1] += k store[x2 + 1][y1] -= k store[x1][y2 + 1] -= k store[x2 + 1][y2 + 1] += k for i in range(n): arr.append(list(map(int, input().split()))) for i in ran...