Compilare: main.cpp: In function 'int main()': main.cpp:38:9: warning: unused variable 'ok' [-Wunused-variable] int ok = 0,st=0,dr=-1,stmax,drmax,maxi = -30006; ^~ main.cpp:74:37: warning: 'drmax' may be used uninitialized in this function [-Wmaybe-uninitialized] out << stmax << " " << drmax << " " << maxi; ^~~ main.cpp:74:21: warning: 'stmax' may be used uninitialized in this function [-Wmaybe-uninitialized] out << stmax << " " << drmax << " " << maxi; ^~~