Submission #602372

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
602372	2022-07-23 01:46:37	verngutz	Progression (NOI20_progression)	C++17	100 / 100	1703 ms	71720 KiB

Progression

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#include <bits/stdc++.h>
#define err(args...) {}
#ifdef DEBUG
#include "_debug.cpp"
#endif
using namespace std;
using ll = long long;
using ld = long double;
template <typename T> using lim = numeric_limits<T>;
template <typename T> istream& operator>>(istream& is, vector<T>& a) { for(T& x : a) { is >> x; } return is; }
template <typename X, typename Y> istream& operator>>(istream& is, pair<X, Y>& p) { return is >> p.first >> p.second; }
enum struct lazy { increment, set, none };
struct segtree {
    segtree* l;
    segtree* r;
    int L, R;
    lazy flag;
    ll front, back, delta;
    int longest_suff, longest_pref, longest, longest_start_index;
    ll range_sum;
    segtree(vector<ll>& a, int L, int R): L(L), R(R), flag(lazy::none), delta(0) {
        if(R - L > 1) {
            int M = (L + R) / 2;
            l = new segtree(a, L, M);
            r = new segtree(a, M, R);
            combine();
        } else {
            l = nullptr;
            r = nullptr;
            front = back = a[L];
 
 
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Compilation message (stderr)

Progression.cpp: In member function 'void segtree::unlazy()':
Progression.cpp:78:15: warning: enumeration value 'none' not handled in switch [-Wswitch]
   78 |         switch(flag) {
      |               ^
Progression.cpp: In member function 'll segtree::get_range_sum()':
Progression.cpp:121:5: warning: control reaches end of non-void function [-Wreturn-type]
  121 |     }
      |     ^
Progression.cpp: In member function 'll segtree::get_back()':
Progression.cpp:111:5: warning: control reaches end of non-void function [-Wreturn-type]
  111 |     }
      |     ^
Progression.cpp: In member function 'll segtree::get_front()':
Progression.cpp:101:5: warning: control reaches end of non-void function [-Wreturn-type]
  101 |     }
      |     ^

• Subtask 1: 9 / 9
• Subtask 2: 15 / 15
• Subtask 3: 35 / 35
• Subtask 4: 11 / 11
• Subtask 5: 13 / 13
• Subtask 6: 17 / 17