View Compilation Error

0_0_21864820_12754.cpp: In function 'int main()':
0_0_21864820_12754.cpp:82:17: error: 'irt' was not declared in this scope
             for(irt i = 0; i < n; i++) {
                 ^
0_0_21864820_12754.cpp:82:28: error: 'i' was not declared in this scope
             for(irt i = 0; i < n; i++) {
                            ^
0_0_21864820_12754.cpp:89:52: error: 't' was not declared in this scope
                     l4 = Line(s[0], Point(p[i].x - t[i + 1].x, p[i].y - p[i + 1].y) +  s[0]);
                                                    ^
0_0_21864820_12754.cpp:102:1: error: 'r' was not declared in this scope
 r
 ^
0_0_21864820_12754.cpp:102:1: error: expected '}' at end of input