Compilare: main.cpp: In function 'int dfs(int)': main.cpp:24:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:51:9: warning: unused variable 'ok' [-Wunused-variable] int ok=0; ^~ main.cpp:80:19: warning: 'sol2' may be used uninitialized in this function [-Wmaybe-uninitialized] d[sol2]++; ~~~~~~^ main.cpp:81:22: warning: 'sol1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(d[sol1]>Max1) Max1=d[sol1]; ~~~~~~^