0_0_38969403_23999.cpp: In function 'void Cal()':
0_0_38969403_23999.cpp:30:32: error: 'sin' was not declared in this scope
30 | fore(i, 1, n) node[i].r = -sin(ang) * node[i].x + cos(ang) * node[i].y;
| ^~~
0_0_38969403_23999.cpp:30:55: error: 'cos' was not declared in this scope
30 | fore(i, 1, n) node[i].r = -sin(ang) * node[i].x + cos(ang) * node[i].y;
| ^~~
0_0_38969403_23999.cpp: In lambda function:
0_0_38969403_23999.cpp:33:12: error: 'fabs' was not declared in this scope; did you mean 'labs'?
33 | if(fabs(a.r - b.r) > eps) return a.r < b.r;
| ^~~~
| labs
0_0_38969403_23999.cpp: In function 'int main()':
0_0_38969403_23999.cpp:55:27: error: 'acos' was not declared in this scope
55 | double l = 0, r = acos(-1), mid;
| ^~~~
0_0_38969403_23999.cpp:58:19: error: 'mid' was not declared in this scope
58 | ang = mid = (l + r) / 2;
| ^~~
0_0_38969403_23999.cpp:70:48: error: 'cos' was not declared in this scope
70 | printf("%d %d %d %d\n", int(nx - 1e8 * cos(ang)), int(ny - 1e8 * sin(ang)), int(nx + 1e8 * cos(ang)), int(ny + 1e8 * sin(ang)));
| ^~~
0_0_38969403_23999.cpp:70:74: error: 'sin' was not declared in this scope
70 | printf("%d %d %d %d\n", int(nx - 1e8 * cos(ang)), int(ny - 1e8 * sin(ang)), int(nx + 1e8 * cos(ang)), int(ny + 1e8 * sin(ang)));
| ^~~
|
