Compilare: main.cpp: In function 'int main()': main.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(v)<=k) ~~~~~~~~~^~~ main.cpp:22:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=k; j<strlen(v); j++){ ~^~~~~~~~~~ main.cpp:23:16: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] if(x>=(1<<k-1)) ~^~ main.cpp:24:14: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] x-=1<<k-1; ~^~ main.cpp:23:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(x>=(1<<k-1)) ^~ main.cpp:25:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' x<<=1; ^ main.cpp:26:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(v[j]-'0') ^~ main.cpp:28:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' m=max(m,x); ^