func_code_string: #include <bits/stdc++.h>   using namespace std;   struct ent {     int val, pos;     inline bool operator<(const ent &cpr) const { return val < cpr.val; }   };   set<ent> pq;   int n;   int val[300005];   long long sum[300005];   long long ret;   int a, b;   int del[300005];   int dcnt;   int main() {     ret = -1000000000000ll;     scanf( %d , &n);     for (int i = 1; i <= n; i++) scanf( %d , &val[i]);     for (int i = 1; i <= n; i++) {       sum[i] = sum[i - 1] + max(val[i], 0);       ent nw;       nw.pos = i;       nw.val = val[i];       set<ent>::iterator it;       it = pq.find(nw);       if (it == pq.end())         pq.insert(nw);       else {         if (ret < 2 * val[i] + sum[i - 1] - sum[(*it).pos]) {           ret = 2 * val[i] + sum[i - 1] - sum[(*it).pos];           a = (*it).pos;           b = i;         }       }     }     cout << ret;     for (int i = 1; i < a; i++) del[++dcnt] = i;     for (int i = a + 1; i < b; i++)       if (val[i] < 0) del[++dcnt] = i;     for (int i = b + 1; i <= n; i++) del[++dcnt] = i;     printf(  %d n , dcnt);     for (int i = 1; i <= dcnt; i++) printf( %d  , del[i]);   }   