Compilare: user.cpp: In function ‘int cauarebinara0(int)’: user.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(step=1; step<=n; step=step*2) {} ^ user.cpp:20:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(step+sol<=n and v[sol+step]<=k) ^ user.cpp: In function ‘int cauarebinara1(int)’: user.cpp:30:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(step=1; step<=n; step=step*2) {} ^ user.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(step+sol<=n and v[sol+step]<=k) ^ user.cpp: In function ‘int cauarebinara2(int)’: user.cpp:41:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(step=1; step<=n; step=step*2) {} ^ user.cpp: In function ‘int main()’: user.cpp:53:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ^ user.cpp:57:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=m; i++) ^