39 lines
436 B
C++
39 lines
436 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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vector<int> graph[101];
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int main()
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{
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int n,m,x,y;
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cin>>n>>m;
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for(int i=1;i<=m;i++)
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{
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cin>>x>>y;
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//todo
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graph[x].push_back(y);
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graph[y].push_back(x);
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}
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for(int i=1;i<=n;i++)
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{
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//todo
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// for(int j=0;j<graph[i].size();j++)
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// {
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// cout<<graph[i][j]<<" ";
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// }
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for(int j:graph[i])
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{
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cout<<j<<" ";
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}
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cout<<endl;
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}
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return 0;
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}
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/*
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5 5
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1 2
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2 3
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3 4
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4 5
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5 1
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*/
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