Compilare: user.cpp: In function ‘void citire(int)’: user.cpp:17:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:19:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else for(j=1;j<=n;j++){mat[i][j]=nr;nr++;} ^ user.cpp: In function ‘int citire2(int, int, int)’: user.cpp:60:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:62:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else {for(j=1;j<=n;j++){ams[i][j]=v[a];a++;if(mat[i][j]==ams[i][j]){k1++;if(kappa[i][j]==0){kappa[i][j]=m+1;ka[kappa[i][j]]++;}}} } ^ user.cpp:63:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k1==k)return 1; ^ user.cpp:59:28: warning: unused variable ‘t’ [-Wunused-variable] {int unsigned i,j,a=0,k1=0,t=1,s; ^ user.cpp:59:32: warning: unused variable ‘s’ [-Wunused-variable] {int unsigned i,j,a=0,k1=0,t=1,s; ^ user.cpp: In function ‘int main()’: user.cpp:68:19: warning: unused variable ‘j1’ [-Wunused-variable] { int n,i=1,j=0,k,j1,i1,a=1,s; ^ user.cpp:68:22: warning: unused variable ‘i1’ [-Wunused-variable] { int n,i=1,j=0,k,j1,i1,a=1,s; ^