Compilare: user.cpp: In function ‘int main()’: user.cpp:33:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[i][p]=t; B[i][p]=t_2; if(t==V || t_2==V) {i_1=i; j_1=p;}} ^ user.cpp:33:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[i][p]=t; B[i][p]=t_2; if(t==V || t_2==V) {i_1=i; j_1=p;}} ^ user.cpp:36:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[k][j]=t; B[k][j]=t_2; if(t==V || t_2==V) {i_1=k; j_1=j;}} ^ user.cpp:36:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[k][j]=t; B[k][j]=t_2; if(t==V || t_2==V) {i_1=k; j_1=j;}} ^ user.cpp:39:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[j][q]=t; B[j][q]=t_2; if(t==V || t_2==V) {i_1=j; j_1=q;}} ^ user.cpp:39:62: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[j][q]=t; B[j][q]=t_2; if(t==V || t_2==V) {i_1=j; j_1=q;}} ^ user.cpp:42:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[w][i]=t; B[w][i]=t_2;if(t==V || t_2==V) {i_1=w; j_1=i;}} ^ user.cpp:42:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {t++; t_2--; A[w][i]=t; B[w][i]=t_2;if(t==V || t_2==V) {i_1=w; j_1=i;}} ^ user.cpp:46:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }while(t<N*N); ^ user.cpp:63:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=2; j*i<=N*N*N; j++) ^ user.cpp:68:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=N; i++) ^ user.cpp:73:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1; j<=N; j++) ^ user.cpp:83:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1; j<=N; j++) ^ user.cpp:52:36: warning: ‘j_1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(VARIANTA==1) out<<i_1<<" "<<j_1<<" "<<z; //printf("%d %d %d",i_1,j_1,z); ^ user.cpp:52:26: warning: ‘i_1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(VARIANTA==1) out<<i_1<<" "<<j_1<<" "<<z; //printf("%d %d %d",i_1,j_1,z); ^