Compilare: main.cpp: In function 'int main()': main.cpp:12:6: warning: statement has no effect [-Wunused-value] ok==false; ~~^~~~~~~ main.cpp:13:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1; i<=m; i++) ^~~ main.cpp:16:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1; i+1<=m; i++) ^~~ main.cpp:42:1: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:44:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' return 0; ^~~~~~