func_code_string: #include <bits/stdc++.h>   using namespace std;   const double eps = 1e-8;   const long long mod = 1e9 + 7;   const int inf = 1 << 30;   const int maxn = 600500;   const double EPS = 1e-7;   void solve() {     int q;     scanf( %d , &q);     while (q--) {       long long n;       scanf( %lld , &n);       int a, b;       scanf( %d%d , &a, &b);       if (b < 2LL * a) {         printf( %lld n , (n / 2LL) * 1LL * b + a * (n % 2));       } else         printf( %lld n , a * 1LL * n);     }   }   int main() {     int tc = 1;     for (int tt = 0; tt < (int)(tc); ++tt) {       solve();     }   }   