36 lines
640 B
C++
36 lines
640 B
C++
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#include<bits/stdc++.h>
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using namespace std;
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using ll = long long;
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void solve()
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{
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int n,t1,t2,t;
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cin>>n;
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t=t1=t2=INT_MAX;
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for(int i=0; i<n; ++i)
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{
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int x;
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string s;
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cin>>x>>s;
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if(s[0]=='1') t1=min(x,t1);
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if(s[1]=='1') t2=min(x,t2);
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if(s[0]=='1' && s[1]=='1') t=min(x,t);
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}
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if(t1==INT_MAX || t2==INT_MAX) cout<<"-1"<<endl;
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else
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{
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if(t<t1+t2) cout<<t<<endl;
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else cout<<t1+t2<<endl;
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}
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}
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int main()
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{
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ios_base::sync_with_stdio(false);
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cin.tie(nullptr);
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int TC = 1;
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cin >> TC;
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cin.ignore();
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while (TC--) solve();
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}
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