func_code_string: #include <bits/stdc++.h>   using namespace std;   long double ans;   long long one, two;   map<pair<long long, long long>, pair<long long, long long> > o, t;   map<pair<long long, long long>, pair<long long, long long> >::iterator ii;   void add(long long a, long long b, long long c, long long ind) {     pair<long long, long long> p = make_pair(a, b);     if (c > o[p].first && ind != t[p].second) {       t[p] = o[p];       o[p] = {c, ind};     }     if (c > t[p].first && ind != o[p].second) t[p] = {c, ind};   }   int main() {     long long n, i, j;     cin >> n;     for (i = 1; i <= n; i++) {       long long a, b, c;       cin >> a >> b >> c;       long long t = min(a, min(b, c));       long double cur = 1.0 * t / 2;       if (cur > ans) {         ans = cur;         one = i;       }       add(a, b, c, i);       add(a, c, b, i);       add(b, a, c, i);       add(b, c, a, i);       add(c, a, b, i);       add(c, b, a, i);     }     for (ii = t.begin(); ii != t.end(); ii++) {       long long cur = ii->second.first + o[ii->first].first;       long long Min = min(cur, min(ii->first.first, ii->first.second));       long double curans = 1.0 * Min / 2;       if (curans > ans) {         ans = curans;         one = ii->second.second;         two = o[ii->first].second;       }     }     if (one != 0 && two != 0)       cout <<  2 n  << one <<     << two;     else       cout <<  1 n  << one;     return 0;   }   