Question 11: What is the maximum product of the four numbers online in the 20 & #215; 20 mesh?

From: http://pe.spiritzhang.com/index.php/2011-05-11-09-44-54/12-1120t20

 

# Include <stdio. h> r1, c1, r2, c2, r3, c3, r4, c4; a [] [] = {,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {,,,,,,,,,,,,,,,,,,,{,,,,,,,,,,,,,,,,,,, {, temp = (I =; I <; I ++ (j =; j <; j ++ (a [I] [j] & a [I] [j +] & a [I] [j +] & a [I] [j + temp = a [I] [j] * a [I] [j +] * a [I] [j +] * a [I] [j + (max <max = r1 = I, c1 = r2 = I, c2 = j + r3 = I, c3 = j + r4 = I, c4 = j + temp = (j =; j <; j ++ (I =; I <; I ++ (a [I] [j] & a [I +] [j] & a [I +] [j] & a [I + temp = [I] [j] * a [I +] [j] * a [I +] [j] * a [I + (max <max = r1 = I, c1 = r2 = I +, c2 = r3 = I +, c3 = r4 = I +, c4 = temp = (I =; I <=; I ++ (j =; j <=; j ++ (a [I] [j] & a [I +] [j +] & a [I +] [j +] & a [I +] [j + temp = a [I] [j] * a [I +] [j +] * a [I +] [j +] * a [I +] [j + (max <max = r1 = I, c1 = r2 = I +, c2 = j + r3 = I +, c3 = j + r4 = I +, c4 = j + temp = (I =; I <; I ++ (j =; j>; j -- (a [I] [j] & a [I +] [j-] & a [I +] [j-] & a [I +] [j-temp = a [I] [j] * a [I +] [j-] * a [I +] [j-] * a [I +] [j- (max <max = r1 = I, c1 = r2 = I +, c2 = j-r3 = I +, c3 = j-r4 = I +, c4 = j-max = printf (}View Code

 

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