Compilare: main.cpp: In function 'int main()': main.cpp:22:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else st-=i;ok=-ok; ^~~~ main.cpp:22:20: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' else st-=i;ok=-ok; ^~