Compilare: user.cpp: In function ‘void ciclu(int, int, int)’: user.cpp:18:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[0][fiu] == i) ^ user.cpp:25:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(v[1][fiu] == i) ^ user.cpp: In function ‘int main()’: user.cpp:40:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^ user.cpp:45:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^ user.cpp:75:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ^