func_code_string: #include <bits/stdc++.h>   template <class T>   void rd(T &x) {     x = 0;     int f = 1;     char c;     while (!isdigit(c = getchar()))       if (c ==  - ) f = -1;     do {       x = (x << 3) + (x << 1) + (c ^ 48);     } while (isdigit(c = getchar()));     x *= f;   }   using namespace std;   const int N = 1e5 + 5;   int n, dp[N], s[N], p[N], cnt, tp;   map<int, int> Map[N];   int main() {     rd(n);     for (int i = 1; i <= n; i++) {       int v, c, l, r;       rd(v), rd(c), rd(l), rd(r);       if (r + c <= 1e5 && (!l || Map[l].find(r + c) != Map[l].end())) {         int t = Map[l][r + c];         dp[i] = dp[t] + v;         p[i] = t;         if (!r && dp[i] > dp[tp]) tp = i;         if (dp[i] > dp[Map[l + c][r]]) Map[l + c][r] = i;       }     }     while (tp) s[++cnt] = tp, tp = p[tp];     printf( %d n , cnt);     for (; cnt > 0; cnt--) printf( %d  , s[cnt]);     return 0;   }   