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View Compilation Error

0_0_25521547_24269.cpp: In function 'int main()':
0_0_25521547_24269.cpp:8:18: error: 'x' was not declared in this scope
     while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> x[3] >> y[3]){
                  ^
0_0_25521547_24269.cpp:8:26: error: 'y' was not declared in this scope
     while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> x[3] >> y[3]){
                          ^
0_0_25521547_24269.cpp:10:12: error: 'x2' was not declared in this scope
         if(x2<x1){
            ^
0_0_25521547_24269.cpp:15:13: error: 'y2' was not declared in this scope
         }if(y2<y1){
             ^
0_0_25521547_24269.cpp:15:16: error: 'y1' was not declared in this scope
         }if(y2<y1){
                ^
0_0_25521547_24269.cpp:21:12: error: 'x3' was not declared in this scope
         if(x3>x4){
            ^
0_0_25521547_24269.cpp:21:15: error: 'x4' was not declared in this scope
         if(x3>x4){
               ^
0_0_25521547_24269.cpp:27:12: error: 'y3' was not declared in this scope
         if(y3>y4){
            ^
0_0_25521547_24269.cpp:27:15: error: 'y4' was not declared in this scope
         if(y3>y4){
               ^
0_0_25521547_24269.cpp:33:13: error: 'x3' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
             ^
0_0_25521547_24269.cpp:33:17: error: 'x2' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
                 ^
0_0_25521547_24269.cpp:33:21: error: 'y3' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
                     ^
0_0_25521547_24269.cpp:33:25: error: 'y2' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
                         ^
0_0_25521547_24269.cpp:33:35: error: 'x4' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
                                   ^
0_0_25521547_24269.cpp:33:39: error: 'y1' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
                                       ^
0_0_25521547_24269.cpp:33:43: error: 'y4' was not declared in this scope
         if((x3>=x2||y3>=y2)||(x1>=x4||y1>=y4))
                                           ^


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