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View Compilation Error

0_0_30112321_25381.cpp: In function 'int main()':
0_0_30112321_25381.cpp:121:73: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                         ^
0_0_30112321_25381.cpp:121:100: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                                                    ^
0_0_30112321_25381.cpp:130:73: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                         ^
0_0_30112321_25381.cpp:130:100: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                                                    ^
0_0_30112321_25381.cpp:141:73: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                         ^
0_0_30112321_25381.cpp:141:100: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                                                    ^
0_0_30112321_25381.cpp:148:45: error: could not convert 'w' from 'Line' to 'Point'
                 if(disptoline(w,p[(i+n/2)%n])>1e-6)f++;
                                             ^
0_0_30112321_25381.cpp:151:73: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                         ^
0_0_30112321_25381.cpp:151:100: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+n)%n]))>1e-6)f++;
                                                                                                    ^
0_0_30112321_25381.cpp:160:73: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+1+n)%n]))>1e-6)f++;
                                                                         ^
0_0_30112321_25381.cpp:160:102: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+1+n)%n]))>1e-6)f++;
                                                                                                      ^
0_0_30112321_25381.cpp:169:73: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+1+n)%n]))>1e-6)f++;
                                                                         ^
0_0_30112321_25381.cpp:169:102: error: could not convert 'w' from 'Line' to 'Point'
                     if(!w.perpendicular(s)||fabs(disptoline(w,p[(i+j)%n])-disptoline(w,p[(i-j+1+n)%n]))>1e-6)f++;
                                                                                                      ^


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