Create PE #11.cpp

Author: rahulcode22

PE #11.cpp

@@ -0,0 +1,38 @@
+
+#include<iostream>
+using namespace std;
+int main(){
+    long long a[20][20],max=0,p;
+    for(int i=0;i<20;i++){
+        for(int j=0;j<20;j++){
+          cin>>a[i][j];  
+        }
+    }    
+    for(int i=0;i<20;i++){
+        for(int j=0;j<=16;j++){
+            p = a[i][j]*a[i][j+1]*a[i][j+2]*a[i][j+3];
+            if(p> max) max=p;
+        
+            p=a[j][i]*a[j+1][i]*a[j+2][i]*a[j+3][i];
+            if(p> max) max=p;
+        }
+    }    
+ 
+
+    for(int i=0;i<17;i++){
+        for(int j=0;j<17;j++){
+            p= a[i][j]*a[i+1][j+1]*a[i+2][j+2]*a[i+3][j+3];
+            if(p> max) max=p;
+        }
+    }
+    for(int i=3;i<20;i++){
+        for(int j=0;j<17;j++){
+
+        p=a[i][j]*a[i-1][j+1]*a[i-2][j+2]*a[i-3][j+3];
+        if(p> max) max=p;
+        }
+    }    
+
+    cout<<max;
+    return 0;
+}