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  1.     #include <bits/stdc++.h>
  2.     using namespace std;
  3.  
  4.     #define vi vector<int>
  5.     #define vvi vector<vi>
  6.  
  7.     int main() {
  8.     	vi v(10, -1);
  9.     	vvi vv(10, v);
  10.     	//vector<int> v(10, -1);
  11.     	//vector<vector<int>> vv(10, v);
  12.     	for(int i=0; i<vv.size(); i++){
  13.     		for(int j=0; j<vv[i].size(); j++){
  14.     			cout << vv[i][j] << " ";
  15.     		}
  16.     		cout << endl;
  17.     	}
  18.     }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin
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Standard input is empty
stdout
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-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1
https://ideone.com/cb1Lxr
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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