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#include<stdio.h> #include<cstring> #include<math.h> #include<algorithm> #include<iostream> #include<string> #include<vector> #include<stdlib.h> #include<set> #include<map> #include<utility> #include<time.h> #include<queue> #include<limits.h> #include<bitset> #include<stack> #include<deque> using namespace std; typedef vector<int>::iterator vit; typedef string::iterator sit; typedef vector<int>::reverse_iterator rvit; typedef long long ll; typedef long double ld; ll lim=1ll*1000*1000*1000; const bool D=1; int main() { freopen("test.in","w",stdout); int n=2000; printf("%d\n",n); for(int i=0;i<n;++i) { for(int j=0;j<n;++j) { if(i==j) printf("0 "); else if(i==0||j==0) printf("%I64d ",lim/2); else printf("%I64d ",lim); } printf("\n"); } /*for(int i=0;i<n;++i) { for(int j=0;j<n;++j) printf("%I64d ",lim); printf("\n"); }*/ return 0; }
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