Compilare: user.cpp: In function ‘int main()’: user.cpp:11:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=m;j++) ^ user.cpp:15:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=m;j++) ^ user.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=m;j++) ^ user.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=m;j++) ^ user.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:39:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:40:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=m;j++) ^ user.cpp:8:30: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,m,a[17][17],s,mini,poz; ^