Compilare: user.cpp: In function ‘int main()’: user.cpp:38:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=m;i++){ ^ user.cpp:39:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<=n;j++){ ^ user.cpp:67:27: warning: ‘minimCol’ may be used uninitialized in this function [-Wmaybe-uninitialized] b[i][t]=a[i][t]+a[i-1][t]+secondMin; ^