Compilare: main.cpp: In function 'void dragoni()': main.cpp:36:7: warning: unused variable 'c1' [-Wunused-variable] int c1 = 0, c2 = 0; ^~ main.cpp:36:15: warning: unused variable 'c2' [-Wunused-variable] int c1 = 0, c2 = 0; ^~ main.cpp: In function 'int maxi()': main.cpp:72:8: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized] return val; ^~~ main.cpp: In function 'void solve()': main.cpp:120:11: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<sol; ^ main.cpp:110:15: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] int mij=(st+dr)/2; ~~~^~~~