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View Compilation Error

0_0_22784140_29089.cpp: In function 'double f(int, int)':
0_0_22784140_29089.cpp:60:96: error: expected primary-expression before '?' token
             if (Cross_Product(q[i].x-q[j].x,q[i].y-q[j].y,q[k].x-q[i].x,q[k].y-q[i].y)<=0) tmp>?=f(k,i);
                                                                                                ^
0_0_22784140_29089.cpp:60:97: error: expected primary-expression before '=' token
             if (Cross_Product(q[i].x-q[j].x,q[i].y-q[j].y,q[k].x-q[i].x,q[k].y-q[i].y)<=0) tmp>?=f(k,i);
                                                                                                 ^
0_0_22784140_29089.cpp:60:104: error: expected ':' before ';' token
             if (Cross_Product(q[i].x-q[j].x,q[i].y-q[j].y,q[k].x-q[i].x,q[k].y-q[i].y)<=0) tmp>?=f(k,i);
                                                                                                        ^
0_0_22784140_29089.cpp:60:104: error: expected primary-expression before ';' token
0_0_22784140_29089.cpp: In function 'void Dp()':
0_0_22784140_29089.cpp:67:31: error: 'memset' was not declared in this scope
     memset(done,0,sizeof(done));
                               ^
0_0_22784140_29089.cpp:70:39: error: expected primary-expression before '?' token
         for (int j=i+1; j<m; j++) ans>?=f(i,j);
                                       ^
0_0_22784140_29089.cpp:70:40: error: expected primary-expression before '=' token
         for (int j=i+1; j<m; j++) ans>?=f(i,j);
                                        ^
0_0_22784140_29089.cpp:70:47: error: expected ':' before ';' token
         for (int j=i+1; j<m; j++) ans>?=f(i,j);
                                               ^
0_0_22784140_29089.cpp:70:47: error: expected primary-expression before ';' token


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