tom.cpp: In function `int main()': tom.cpp:21: warning: unused variable `int p1' tom.cpp:21: warning: unused variable `int p2' tom.cpp:95: warning: unused variable `int k' tom.cpp:18: warning: `int x0' might be used uninitialized in this function tom.cpp:18: warning: `int y0' might be used uninitialized in this function tom.cpp:18: warning: `int x1' might be used uninitialized in this function tom.cpp:18: warning: `int y1' might be used uninitialized in this function