UVA 634 - Polygon Shipu Ahamed - 01 Sep 2020 Problem PDFSolution:#include using namespace std; struct info { int x,y; info(): x(0), y(0){} }; int main() { int n; while(scanf("%d",&n)==1) { if(n==0) break; info a[1010]; for(int i=0;i p.x) || (a[i].x > p.x && a[(i+1)%n].x < p.x)) && a[i].y>p.y) { cnt++; } } if(cnt&1) { puts("T"); } else { puts("F"); } } return 0; } https://github.com/Shipu/OnlineJudgeProblemSolutionWithCPlusPlus/tree/master/uva/634/634.cpp