Compilare: main.cpp: In function 'int main()': main.cpp:99:33: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 99 | ans = putem(0,start,finish) ? ans - 1 : -1; | ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:91:53: note: 'ans' was declared here 91 | int st = 0,dr = dist[start.first][start.second],ans; | ^~~