Compilare: main.cpp: In function 'int main()': main.cpp:19:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(c);i++) ~^~~~~~~~~~~ main.cpp:26:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(sum>limit-3) ^~ main.cpp:28:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' g<<c[i]; ^