Compilare: main.cpp: In function 'int main()': main.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (strlen(a)>m) ~~~~~~~~~^~ main.cpp:28:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (strlen(a)==m) ~~~~~~~~~^~~ main.cpp:32:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (j=2;j<=i;j++) ^~~ main.cpp:37:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' out<<a; ^~~ main.cpp:32:11: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] for (j=2;j<=i;j++) ~^~~