Compilare: main.cpp: In function 'int main()': main.cpp:112:21: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(last_i != 0 and last_j != 0) ^~ main.cpp:114:25: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' fan_min++; ^~~~~~~