Compilare: In file included from /usr/include/string.h:642:0, from /usr/include/c++/4.8/cstring:42, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:48, from user.cpp:1: In function ‘void* memset(void*, int, size_t)’, inlined from ‘void _Z3copi.part.2()’ at user.cpp:13:40, inlined from ‘void cop(int)’: /usr/include/i386-linux-gnu/bits/string3.h:85:70: warning: call to void* __builtin___memset_chk(void*, int, unsigned int, unsigned int) will always overflow destination buffer [enabled by default] return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest)); ^ user.cpp: In function ‘int main()’: user.cpp:49:50: warning: ‘mn1.pct::ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] dp[2][j]=mn2.val+a[i][j]+a[i-1][j]; ^