Compilare: main.cpp: In function 'int solve()': main.cpp:72:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(n>5000) ^~ main.cpp:74:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' int z1=0,z2=0; ^~~ main.cpp:74:6: warning: unused variable 'z1' [-Wunused-variable] int z1=0,z2=0; ^~ main.cpp:74:11: warning: unused variable 'z2' [-Wunused-variable] int z1=0,z2=0; ^~