Compilare: main.cpp: In function 'void rez()': main.cpp:137:18: warning: variable 'j' set but not used [-Wunused-but-set-variable] for(auto j:dp[r]){ ^ main.cpp:143:24: warning: 'r1' may be used uninitialized in this function [-Wmaybe-uninitialized] cou<<cnt<<" "<<r1<<" "<<f; ^~~ main.cpp:143:30: warning: 'f' may be used uninitialized in this function [-Wmaybe-uninitialized] cou<<cnt<<" "<<r1<<" "<<f; ^