Compilare: user.cpp: In function ‘void ciclu(int, int, int)’: user.cpp:20:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[0][fiu] == i) ^ user.cpp:27:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(v[1][fiu] == i) ^ user.cpp: In function ‘int main()’: user.cpp:54:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^ user.cpp:59:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^ user.cpp:89:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^ user.cpp:108:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^