Compilare: main.cpp: In function 'int main()': main.cpp:32:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(s[i]!=0) ^~ main.cpp:53:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(s[i+n-1]-s[i]+1==sum&&c==0){ ^~