Compilare: user.cpp: In function ‘int main()’: user.cpp:33:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=T;i++) ^ user.cpp:37:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=N;j++) ^ user.cpp:44:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<M;k++) ^ user.cpp:62:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 1;j<=d.B;j++) ^ user.cpp:67:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=d.A-d.B;j<=N;j++) ^ user.cpp:68:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j!=d.A) ^ user.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=d.A+d.B;j++) ^ user.cpp:74:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j!=d.A) ^ user.cpp:79:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=N;j++) ^ user.cpp:80:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j!=d.A) ^