Submission #435641

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
435641	2021-06-23 13:57:55	Kevin_Zhang_TW	Worst Reporter 4 (JOI21_worst_reporter4)	C++17	100 / 100	459 ms	71272 KiB

worst_reporter2

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
const int MAX_N = 300010, inf = 1e9 + 10;
int n;
vector<int> pa, h, c;
vector<int> edge[MAX_N];
// maintain diff
map<int, ll> dp[MAX_N];
void add_pref(int i, int key, ll val) {
  if (val == 0) return;
  dp[i][key] += val;
}
 
 
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Compilation message (stderr)

worst_reporter2.cpp: In function 'll min_change_val(int, std::vector<int>, std::vector<int>, std::vector<int>)':
worst_reporter2.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
worst_reporter2.cpp:107:3: note: in expansion of macro 'DE'
  107 |   DE(i, "stk");
      |   ^~
worst_reporter2.cpp:15:20: warning: statement has no effect [-Wunused-value]
   15 | #define debug(...) 0
      |                    ^
worst_reporter2.cpp:108:3: note: in expansion of macro 'debug'
  108 |   debug(AI(stk));
      |   ^~~~~
worst_reporter2.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
worst_reporter2.cpp:124:28: note: in expansion of macro 'DE'
  124 |  for (int i = 0;i < n;++i) DE(i, rid[i], on_ring[i]);
      |                            ^~
worst_reporter2.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
worst_reporter2.cpp:127:3: note: in expansion of macro 'DE'
  127 |   DE(i, pa[i]);
      |   ^~
worst_reporter2.cpp:15:20: warning: statement has no effect [-Wunused-value]
   15 | #define debug(...) 0
      |                    ^
worst_reporter2.cpp:136:3: note: in expansion of macro 'debug'
  136 |   debug(AI(ring[i]));
      |   ^~~~~

• Subtask 1: 14 / 14
• Subtask 2: 65 / 65
• Subtask 3: 21 / 21