func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 5000 + 5;   const int inf = 0x3f3f3f3f;   const int Max = 200000;   template <class T>   inline void getin(T& num) {     char c;     bool flag = 0;     num = 0;     while ((c = getchar()) <  0  || c >  9 )       if (c ==  - ) flag = 1;     while (c >=  0  && c <=  9 ) {       num = num * 10 + c - 48;       c = getchar();     }     if (flag) num = -num;   }   int n, k, a, x, y, m;   queue<int> num[N];   set<pair<int, int> > output;   vector<pair<int, int> > Ans;   int main() {     getin(n);     int sum = 0, ans = 0;     for (int i = 1; i <= n; i++) {       getin(k), getin(a), sum += k;       getin(x), getin(y), getin(m);       num[i].push(a);       int ret = 0;       for (int j = 2; j <= k; j++) {         int nxt = (1ll * a * x % m + y) % m;         if (nxt < a) ret++;         num[i].push(a = nxt);       }       ans = max(ans, ret);     }     printf( %d n , ans);     if (sum > Max) return 0;     for (int i = 1; i <= n; i++) {       output.insert(make_pair(num[i].front(), i));       num[i].pop();     }     int last = -inf, p;     for (int i = 1; i <= sum; i++) {       set<pair<int, int> >::iterator it =           output.lower_bound(make_pair(last, -inf));       if (it == output.end()) ans++, it = output.begin();       Ans.push_back(*it);       last = (*it).first;       p = (*it).second;       output.erase(it);       if (!num[p].empty()) {         output.insert(make_pair(num[p].front(), p));         num[p].pop();       }     }     for (int i = 0; i < sum; i++) printf( %d %d n , Ans[i].first, Ans[i].second);   }   