Compilare: main.cpp: In function 'int main()': main.cpp:78:37: warning: 'instrs' may be used uninitialized [-Wmaybe-uninitialized] 78 | if (instrs == 'f' || instrs == 'b') | ~~~~~~~^~~~~~ main.cpp:36:21: note: 'instrs' was declared here 36 | char instr, instrs; | ^~~~~~ main.cpp:86:55: warning: 'ys' may be used uninitialized [-Wmaybe-uninitialized] 86 | double ip = sqrt((x - xs) * (x - xs) + (y - ys) * (y - ys)); | ~~~^~~~~ main.cpp:34:34: note: 'ys' was declared here 34 | double x = 0, y = 0, xs, ys; | ^~ main.cpp:86:33: warning: 'xs' may be used uninitialized [-Wmaybe-uninitialized] 86 | double ip = sqrt((x - xs) * (x - xs) + (y - ys) * (y - ys)); | ~~~^~~~~ main.cpp:34:30: note: 'xs' was declared here 34 | double x = 0, y = 0, xs, ys; | ^~