#include <algorithm> #include <cstring> #include <iostream> using namespace std; struct bign{ int d[1001]; int n; bign(){ memset(d, 0, sizeof(d)); n=0; } }; bign splus(bign a,bign b){ bign ans; int fg=0; int i; for (i=0; i<(a.n>b.n?a.n:b.n); i++) { ans.d[i]=(a.d[i]+b.d[i]+fg)...