View Compilation Error

0_0_36601446_8166.cpp: In function 'INT main()':
0_0_36601446_8166.cpp:38:23: error: 'mink1' was not declared in this scope
         for(reg int k=mink1;k<=maxk1+1;++k){
                       ^
0_0_36601446_8166.cpp:38:32: error: 'maxk1' was not declared in this scope
         for(reg int k=mink1;k<=maxk1+1;++k){
                                ^
0_0_36601446_8166.cpp:40:20: error: 'mx' was not declared in this scope
                 if(mx<B[i]-A1[i]){
                    ^
0_0_36601446_8166.cpp:42:21: error: 'mxi' was not declared in this scope
                     mxi=i;
                     ^
0_0_36601446_8166.cpp:45:20: error: 'mn' was not declared in this scope
                 if(mn>B[i]-A1[i]){
                    ^
0_0_36601446_8166.cpp:47:21: error: 'mni' was not declared in this scope
                     mni=i;
                     ^
0_0_36601446_8166.cpp:51:16: error: 'mx' was not declared in this scope
             if(mx-mn<=20){
                ^
0_0_36601446_8166.cpp:51:19: error: 'mn' was not declared in this scope
             if(mx-mn<=20){
                   ^