View Compilation Error

0_0_22226405_14284.cpp: In function 'void input()':
0_0_22226405_14284.cpp:27:12: error: 'maxn1' was not declared in this scope
         if(maxn1 < n) maxn1 = n;
            ^
0_0_22226405_14284.cpp:38:12: error: 'maxn2' was not declared in this scope
         if(maxn2 < n) maxn2 = n;
            ^
0_0_22226405_14284.cpp: In function 'int main()':
0_0_22226405_14284.cpp:49:9: error: 'maxn' was not declared in this scope
         maxn = maxn1 = maxn2 = -1;
         ^
0_0_22226405_14284.cpp:49:16: error: 'maxn1' was not declared in this scope
         maxn = maxn1 = maxn2 = -1;
                ^
0_0_22226405_14284.cpp:49:24: error: 'maxn2' was not declared in this scope
         maxn = maxn1 = maxn2 = -1;
                        ^